js/jquery-3.1.1.js

   1 /*!
   2  * jQuery JavaScript Library v3.1.1
   3  * https://jquery.com/
   4  *
   5  * Includes Sizzle.js
   6  * https://sizzlejs.com/
   7  *
   8  * Copyright jQuery Foundation and other contributors
   9  * Released under the MIT license
  10  * https://jquery.org/license
  11  *
  12  * Date: 2016-09-22T22:30Z
  13  */
  14 ( function( global, factory ) {
  15
  16         "use strict";
  17
  18         if ( typeof module === "object" && typeof module.exports === "object" ) {
  19
  20                 // For CommonJS and CommonJS-like environments where a proper `window`
  21                 // is present, execute the factory and get jQuery.
  22                 // For environments that do not have a `window` with a `document`
  23                 // (such as Node.js), expose a factory as module.exports.
  24                 // This accentuates the need for the creation of a real `window`.
  25                 // e.g. var jQuery = require("jquery")(window);
  26                 // See ticket #14549 for more info.
  27                 module.exports = global.document ?
  28                         factory( global, true ) :
  29                         function( w ) {
  30                                 if ( !w.document ) {
  31                                         throw new Error( "jQuery requires a window with a document" );
  32                                 }
  33                                 return factory( w );
  34                         };
  35         } else {
  36                 factory( global );
  37         }
  38
  39 // Pass this if window is not defined yet
  40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  41
  42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
  43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
  44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
  45 // enough that all such attempts are guarded in a try block.
  46 "use strict";
  47
  48 var arr = [];
  49
  50 var document = window.document;
  51
  52 var getProto = Object.getPrototypeOf;
  53
  54 var slice = arr.slice;
  55
  56 var concat = arr.concat;
  57
  58 var push = arr.push;
  59
  60 var indexOf = arr.indexOf;
  61
  62 var class2type = {};
  63
  64 var toString = class2type.toString;
  65
  66 var hasOwn = class2type.hasOwnProperty;
  67
  68 var fnToString = hasOwn.toString;
  69
  70 var ObjectFunctionString = fnToString.call( Object );
  71
  72 var support = {};
  73
  74
  75
  76         function DOMEval( code, doc ) {
  77                 doc = doc || document;
  78
  79                 var script = doc.createElement( "script" );
  80
  81                 script.text = code;
  82                 doc.head.appendChild( script ).parentNode.removeChild( script );
  83         }
  84 /* global Symbol */
  85 // Defining this global in .eslintrc.json would create a danger of using the global
  86 // unguarded in another place, it seems safer to define global only for this module
  87
  88
  89
  90 var
  91         version = "3.1.1",
  92
  93         // Define a local copy of jQuery
  94         jQuery = function( selector, context ) {
  95
  96                 // The jQuery object is actually just the init constructor 'enhanced'
  97                 // Need init if jQuery is called (just allow error to be thrown if not included)
  98                 return new jQuery.fn.init( selector, context );
  99         },
 100
 101         // Support: Android <=4.0 only
 102         // Make sure we trim BOM and NBSP
 103         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
 104
 105         // Matches dashed string for camelizing
 106         rmsPrefix = /^-ms-/,
 107         rdashAlpha = /-([a-z])/g,
 108
 109         // Used by jQuery.camelCase as callback to replace()
 110         fcamelCase = function( all, letter ) {
 111                 return letter.toUpperCase();
 112         };
 113
 114 jQuery.fn = jQuery.prototype = {
 115
 116         // The current version of jQuery being used
 117         jquery: version,
 118
 119         constructor: jQuery,
 120
 121         // The default length of a jQuery object is 0
 122         length: 0,
 123
 124         toArray: function() {
 125                 return slice.call( this );
 126         },
 127
 128         // Get the Nth element in the matched element set OR
 129         // Get the whole matched element set as a clean array
 130         get: function( num ) {
 131
 132                 // Return all the elements in a clean array
 133                 if ( num == null ) {
 134                         return slice.call( this );
 135                 }
 136
 137                 // Return just the one element from the set
 138                 return num < 0 ? this[ num + this.length ] : this[ num ];
 139         },
 140
 141         // Take an array of elements and push it onto the stack
 142         // (returning the new matched element set)
 143         pushStack: function( elems ) {
 144
 145                 // Build a new jQuery matched element set
 146                 var ret = jQuery.merge( this.constructor(), elems );
 147
 148                 // Add the old object onto the stack (as a reference)
 149                 ret.prevObject = this;
 150
 151                 // Return the newly-formed element set
 152                 return ret;
 153         },
 154
 155         // Execute a callback for every element in the matched set.
 156         each: function( callback ) {
 157                 return jQuery.each( this, callback );
 158         },
 159
 160         map: function( callback ) {
 161                 return this.pushStack( jQuery.map( this, function( elem, i ) {
 162                         return callback.call( elem, i, elem );
 163                 } ) );
 164         },
 165
 166         slice: function() {
 167                 return this.pushStack( slice.apply( this, arguments ) );
 168         },
 169
 170         first: function() {
 171                 return this.eq( 0 );
 172         },
 173
 174         last: function() {
 175                 return this.eq( -1 );
 176         },
 177
 178         eq: function( i ) {
 179                 var len = this.length,
 180                         j = +i + ( i < 0 ? len : 0 );
 181                 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
 182         },
 183
 184         end: function() {
 185                 return this.prevObject || this.constructor();
 186         },
 187
 188         // For internal use only.
 189         // Behaves like an Array's method, not like a jQuery method.
 190         push: push,
 191         sort: arr.sort,
 192         splice: arr.splice
 193 };
 194
 195 jQuery.extend = jQuery.fn.extend = function() {
 196         var options, name, src, copy, copyIsArray, clone,
 197                 target = arguments[ 0 ] || {},
 198                 i = 1,
 199                 length = arguments.length,
 200                 deep = false;
 201
 202         // Handle a deep copy situation
 203         if ( typeof target === "boolean" ) {
 204                 deep = target;
 205
 206                 // Skip the boolean and the target
 207                 target = arguments[ i ] || {};
 208                 i++;
 209         }
 210
 211         // Handle case when target is a string or something (possible in deep copy)
 212         if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
 213                 target = {};
 214         }
 215
 216         // Extend jQuery itself if only one argument is passed
 217         if ( i === length ) {
 218                 target = this;
 219                 i--;
 220         }
 221
 222         for ( ; i < length; i++ ) {
 223
 224                 // Only deal with non-null/undefined values
 225                 if ( ( options = arguments[ i ] ) != null ) {
 226
 227                         // Extend the base object
 228                         for ( name in options ) {
 229                                 src = target[ name ];
 230                                 copy = options[ name ];
 231
 232                                 // Prevent never-ending loop
 233                                 if ( target === copy ) {
 234                                         continue;
 235                                 }
 236
 237                                 // Recurse if we're merging plain objects or arrays
 238                                 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
 239                                         ( copyIsArray = jQuery.isArray( copy ) ) ) ) {
 240
 241                                         if ( copyIsArray ) {
 242                                                 copyIsArray = false;
 243                                                 clone = src && jQuery.isArray( src ) ? src : [];
 244
 245                                         } else {
 246                                                 clone = src && jQuery.isPlainObject( src ) ? src : {};
 247                                         }
 248
 249                                         // Never move original objects, clone them
 250                                         target[ name ] = jQuery.extend( deep, clone, copy );
 251
 252                                 // Don't bring in undefined values
 253                                 } else if ( copy !== undefined ) {
 254                                         target[ name ] = copy;
 255                                 }
 256                         }
 257                 }
 258         }
 259
 260         // Return the modified object
 261         return target;
 262 };
 263
 264 jQuery.extend( {
 265
 266         // Unique for each copy of jQuery on the page
 267         expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
 268
 269         // Assume jQuery is ready without the ready module
 270         isReady: true,
 271
 272         error: function( msg ) {
 273                 throw new Error( msg );
 274         },
 275
 276         noop: function() {},
 277
 278         isFunction: function( obj ) {
 279                 return jQuery.type( obj ) === "function";
 280         },
 281
 282         isArray: Array.isArray,
 283
 284         isWindow: function( obj ) {
 285                 return obj != null && obj === obj.window;
 286         },
 287
 288         isNumeric: function( obj ) {
 289
 290                 // As of jQuery 3.0, isNumeric is limited to
 291                 // strings and numbers (primitives or objects)
 292                 // that can be coerced to finite numbers (gh-2662)
 293                 var type = jQuery.type( obj );
 294                 return ( type === "number" || type === "string" ) &&
 295
 296                         // parseFloat NaNs numeric-cast false positives ("")
 297                         // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
 298                         // subtraction forces infinities to NaN
 299                         !isNaN( obj - parseFloat( obj ) );
 300         },
 301
 302         isPlainObject: function( obj ) {
 303                 var proto, Ctor;
 304
 305                 // Detect obvious negatives
 306                 // Use toString instead of jQuery.type to catch host objects
 307                 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
 308                         return false;
 309                 }
 310
 311                 proto = getProto( obj );
 312
 313                 // Objects with no prototype (e.g., `Object.create( null )`) are plain
 314                 if ( !proto ) {
 315                         return true;
 316                 }
 317
 318                 // Objects with prototype are plain iff they were constructed by a global Object function
 319                 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
 320                 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
 321         },
 322
 323         isEmptyObject: function( obj ) {
 324
 325                 /* eslint-disable no-unused-vars */
 326                 // See https://github.com/eslint/eslint/issues/6125
 327                 var name;
 328
 329                 for ( name in obj ) {
 330                         return false;
 331                 }
 332                 return true;
 333         },
 334
 335         type: function( obj ) {
 336                 if ( obj == null ) {
 337                         return obj + "";
 338                 }
 339
 340                 // Support: Android <=2.3 only (functionish RegExp)
 341                 return typeof obj === "object" || typeof obj === "function" ?
 342                         class2type[ toString.call( obj ) ] || "object" :
 343                         typeof obj;
 344         },
 345
 346         // Evaluates a script in a global context
 347         globalEval: function( code ) {
 348                 DOMEval( code );
 349         },
 350
 351         // Convert dashed to camelCase; used by the css and data modules
 352         // Support: IE <=9 - 11, Edge 12 - 13
 353         // Microsoft forgot to hump their vendor prefix (#9572)
 354         camelCase: function( string ) {
 355                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
 356         },
 357
 358         nodeName: function( elem, name ) {
 359                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
 360         },
 361
 362         each: function( obj, callback ) {
 363                 var length, i = 0;
 364
 365                 if ( isArrayLike( obj ) ) {
 366                         length = obj.length;
 367                         for ( ; i < length; i++ ) {
 368                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
 369                                         break;
 370                                 }
 371                         }
 372                 } else {
 373                         for ( i in obj ) {
 374                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
 375                                         break;
 376                                 }
 377                         }
 378                 }
 379
 380                 return obj;
 381         },
 382
 383         // Support: Android <=4.0 only
 384         trim: function( text ) {
 385                 return text == null ?
 386                         "" :
 387                         ( text + "" ).replace( rtrim, "" );
 388         },
 389
 390         // results is for internal usage only
 391         makeArray: function( arr, results ) {
 392                 var ret = results || [];
 393
 394                 if ( arr != null ) {
 395                         if ( isArrayLike( Object( arr ) ) ) {
 396                                 jQuery.merge( ret,
 397                                         typeof arr === "string" ?
 398                                         [ arr ] : arr
 399                                 );
 400                         } else {
 401                                 push.call( ret, arr );
 402                         }
 403                 }
 404
 405                 return ret;
 406         },
 407
 408         inArray: function( elem, arr, i ) {
 409                 return arr == null ? -1 : indexOf.call( arr, elem, i );
 410         },
 411
 412         // Support: Android <=4.0 only, PhantomJS 1 only
 413         // push.apply(_, arraylike) throws on ancient WebKit
 414         merge: function( first, second ) {
 415                 var len = +second.length,
 416                         j = 0,
 417                         i = first.length;
 418
 419                 for ( ; j < len; j++ ) {
 420                         first[ i++ ] = second[ j ];
 421                 }
 422
 423                 first.length = i;
 424
 425                 return first;
 426         },
 427
 428         grep: function( elems, callback, invert ) {
 429                 var callbackInverse,
 430                         matches = [],
 431                         i = 0,
 432                         length = elems.length,
 433                         callbackExpect = !invert;
 434
 435                 // Go through the array, only saving the items
 436                 // that pass the validator function
 437                 for ( ; i < length; i++ ) {
 438                         callbackInverse = !callback( elems[ i ], i );
 439                         if ( callbackInverse !== callbackExpect ) {
 440                                 matches.push( elems[ i ] );
 441                         }
 442                 }
 443
 444                 return matches;
 445         },
 446
 447         // arg is for internal usage only
 448         map: function( elems, callback, arg ) {
 449                 var length, value,
 450                         i = 0,
 451                         ret = [];
 452
 453                 // Go through the array, translating each of the items to their new values
 454                 if ( isArrayLike( elems ) ) {
 455                         length = elems.length;
 456                         for ( ; i < length; i++ ) {
 457                                 value = callback( elems[ i ], i, arg );
 458
 459                                 if ( value != null ) {
 460                                         ret.push( value );
 461                                 }
 462                         }
 463
 464                 // Go through every key on the object,
 465                 } else {
 466                         for ( i in elems ) {
 467                                 value = callback( elems[ i ], i, arg );
 468
 469                                 if ( value != null ) {
 470                                         ret.push( value );
 471                                 }
 472                         }
 473                 }
 474
 475                 // Flatten any nested arrays
 476                 return concat.apply( [], ret );
 477         },
 478
 479         // A global GUID counter for objects
 480         guid: 1,
 481
 482         // Bind a function to a context, optionally partially applying any
 483         // arguments.
 484         proxy: function( fn, context ) {
 485                 var tmp, args, proxy;
 486
 487                 if ( typeof context === "string" ) {
 488                         tmp = fn[ context ];
 489                         context = fn;
 490                         fn = tmp;
 491                 }
 492
 493                 // Quick check to determine if target is callable, in the spec
 494                 // this throws a TypeError, but we will just return undefined.
 495                 if ( !jQuery.isFunction( fn ) ) {
 496                         return undefined;
 497                 }
 498
 499                 // Simulated bind
 500                 args = slice.call( arguments, 2 );
 501                 proxy = function() {
 502                         return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
 503                 };
 504
 505                 // Set the guid of unique handler to the same of original handler, so it can be removed
 506                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
 507
 508                 return proxy;
 509         },
 510
 511         now: Date.now,
 512
 513         // jQuery.support is not used in Core but other projects attach their
 514         // properties to it so it needs to exist.
 515         support: support
 516 } );
 517
 518 if ( typeof Symbol === "function" ) {
 519         jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
 520 }
 521
 522 // Populate the class2type map
 523 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
 524 function( i, name ) {
 525         class2type[ "[object " + name + "]" ] = name.toLowerCase();
 526 } );
 527
 528 function isArrayLike( obj ) {
 529
 530         // Support: real iOS 8.2 only (not reproducible in simulator)
 531         // `in` check used to prevent JIT error (gh-2145)
 532         // hasOwn isn't used here due to false negatives
 533         // regarding Nodelist length in IE
 534         var length = !!obj && "length" in obj && obj.length,
 535                 type = jQuery.type( obj );
 536
 537         if ( type === "function" || jQuery.isWindow( obj ) ) {
 538                 return false;
 539         }
 540
 541         return type === "array" || length === 0 ||
 542                 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
 543 }
 544 var Sizzle =
 545 /*!
 546  * Sizzle CSS Selector Engine v2.3.3
 547  * https://sizzlejs.com/
 548  *
 549  * Copyright jQuery Foundation and other contributors
 550  * Released under the MIT license
 551  * http://jquery.org/license
 552  *
 553  * Date: 2016-08-08
 554  */
 555 (function( window ) {
 556
 557 var i,
 558         support,
 559         Expr,
 560         getText,
 561         isXML,
 562         tokenize,
 563         compile,
 564         select,
 565         outermostContext,
 566         sortInput,
 567         hasDuplicate,
 568
 569         // Local document vars
 570         setDocument,
 571         document,
 572         docElem,
 573         documentIsHTML,
 574         rbuggyQSA,
 575         rbuggyMatches,
 576         matches,
 577         contains,
 578
 579         // Instance-specific data
 580         expando = "sizzle" + 1 * new Date(),
 581         preferredDoc = window.document,
 582         dirruns = 0,
 583         done = 0,
 584         classCache = createCache(),
 585         tokenCache = createCache(),
 586         compilerCache = createCache(),
 587         sortOrder = function( a, b ) {
 588                 if ( a === b ) {
 589                         hasDuplicate = true;
 590                 }
 591                 return 0;
 592         },
 593
 594         // Instance methods
 595         hasOwn = ({}).hasOwnProperty,
 596         arr = [],
 597         pop = arr.pop,
 598         push_native = arr.push,
 599         push = arr.push,
 600         slice = arr.slice,
 601         // Use a stripped-down indexOf as it's faster than native
 602         // https://jsperf.com/thor-indexof-vs-for/5
 603         indexOf = function( list, elem ) {
 604                 var i = 0,
 605                         len = list.length;
 606                 for ( ; i < len; i++ ) {
 607                         if ( list[i] === elem ) {
 608                                 return i;
 609                         }
 610                 }
 611                 return -1;
 612         },
 613
 614         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
 615
 616         // Regular expressions
 617
 618         // http://www.w3.org/TR/css3-selectors/#whitespace
 619         whitespace = "[\\x20\\t\\r\\n\\f]",
 620
 621         // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
 622         identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
 623
 624         // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
 625         attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
 626                 // Operator (capture 2)
 627                 "*([*^$|!~]?=)" + whitespace +
 628                 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
 629                 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
 630                 "*\\]",
 631
 632         pseudos = ":(" + identifier + ")(?:\\((" +
 633                 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
 634                 // 1. quoted (capture 3; capture 4 or capture 5)
 635                 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
 636                 // 2. simple (capture 6)
 637                 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
 638                 // 3. anything else (capture 2)
 639                 ".*" +
 640                 ")\\)|)",
 641
 642         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 643         rwhitespace = new RegExp( whitespace + "+", "g" ),
 644         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
 645
 646         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
 647         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
 648
 649         rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
 650
 651         rpseudo = new RegExp( pseudos ),
 652         ridentifier = new RegExp( "^" + identifier + "$" ),
 653
 654         matchExpr = {
 655                 "ID": new RegExp( "^#(" + identifier + ")" ),
 656                 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
 657                 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
 658                 "ATTR": new RegExp( "^" + attributes ),
 659                 "PSEUDO": new RegExp( "^" + pseudos ),
 660                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
 661                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
 662                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
 663                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
 664                 // For use in libraries implementing .is()
 665                 // We use this for POS matching in `select`
 666                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
 667                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 668         },
 669
 670         rinputs = /^(?:input|select|textarea|button)$/i,
 671         rheader = /^h\d$/i,
 672
 673         rnative = /^[^{]+\{\s*\[native \w/,
 674
 675         // Easily-parseable/retrievable ID or TAG or CLASS selectors
 676         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
 677
 678         rsibling = /[+~]/,
 679
 680         // CSS escapes
 681         // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
 682         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
 683         funescape = function( _, escaped, escapedWhitespace ) {
 684                 var high = "0x" + escaped - 0x10000;
 685                 // NaN means non-codepoint
 686                 // Support: Firefox<24
 687                 // Workaround erroneous numeric interpretation of +"0x"
 688                 return high !== high || escapedWhitespace ?
 689                         escaped :
 690                         high < 0 ?
 691                                 // BMP codepoint
 692                                 String.fromCharCode( high + 0x10000 ) :
 693                                 // Supplemental Plane codepoint (surrogate pair)
 694                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
 695         },
 696
 697         // CSS string/identifier serialization
 698         // https://drafts.csswg.org/cssom/#common-serializing-idioms
 699         rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
 700         fcssescape = function( ch, asCodePoint ) {
 701                 if ( asCodePoint ) {
 702
 703                         // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
 704                         if ( ch === "\0" ) {
 705                                 return "\uFFFD";
 706                         }
 707
 708                         // Control characters and (dependent upon position) numbers get escaped as code points
 709                         return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
 710                 }
 711
 712                 // Other potentially-special ASCII characters get backslash-escaped
 713                 return "\\" + ch;
 714         },
 715
 716         // Used for iframes
 717         // See setDocument()
 718         // Removing the function wrapper causes a "Permission Denied"
 719         // error in IE
 720         unloadHandler = function() {
 721                 setDocument();
 722         },
 723
 724         disabledAncestor = addCombinator(
 725                 function( elem ) {
 726                         return elem.disabled === true && ("form" in elem || "label" in elem);
 727                 },
 728                 { dir: "parentNode", next: "legend" }
 729         );
 730
 731 // Optimize for push.apply( _, NodeList )
 732 try {
 733         push.apply(
 734                 (arr = slice.call( preferredDoc.childNodes )),
 735                 preferredDoc.childNodes
 736         );
 737         // Support: Android<4.0
 738         // Detect silently failing push.apply
 739         arr[ preferredDoc.childNodes.length ].nodeType;
 740 } catch ( e ) {
 741         push = { apply: arr.length ?
 742
 743                 // Leverage slice if possible
 744                 function( target, els ) {
 745                         push_native.apply( target, slice.call(els) );
 746                 } :
 747
 748                 // Support: IE<9
 749                 // Otherwise append directly
 750                 function( target, els ) {
 751                         var j = target.length,
 752                                 i = 0;
 753                         // Can't trust NodeList.length
 754                         while ( (target[j++] = els[i++]) ) {}
 755                         target.length = j - 1;
 756                 }
 757         };
 758 }
 759
 760 function Sizzle( selector, context, results, seed ) {
 761         var m, i, elem, nid, match, groups, newSelector,
 762                 newContext = context && context.ownerDocument,
 763
 764                 // nodeType defaults to 9, since context defaults to document
 765                 nodeType = context ? context.nodeType : 9;
 766
 767         results = results || [];
 768
 769         // Return early from calls with invalid selector or context
 770         if ( typeof selector !== "string" || !selector ||
 771                 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
 772
 773                 return results;
 774         }
 775
 776         // Try to shortcut find operations (as opposed to filters) in HTML documents
 777         if ( !seed ) {
 778
 779                 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
 780                         setDocument( context );
 781                 }
 782                 context = context || document;
 783
 784                 if ( documentIsHTML ) {
 785
 786                         // If the selector is sufficiently simple, try using a "get*By*" DOM method
 787                         // (excepting DocumentFragment context, where the methods don't exist)
 788                         if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
 789
 790                                 // ID selector
 791                                 if ( (m = match[1]) ) {
 792
 793                                         // Document context
 794                                         if ( nodeType === 9 ) {
 795                                                 if ( (elem = context.getElementById( m )) ) {
 796
 797                                                         // Support: IE, Opera, Webkit
 798                                                         // TODO: identify versions
 799                                                         // getElementById can match elements by name instead of ID
 800                                                         if ( elem.id === m ) {
 801                                                                 results.push( elem );
 802                                                                 return results;
 803                                                         }
 804                                                 } else {
 805                                                         return results;
 806                                                 }
 807
 808                                         // Element context
 809                                         } else {
 810
 811                                                 // Support: IE, Opera, Webkit
 812                                                 // TODO: identify versions
 813                                                 // getElementById can match elements by name instead of ID
 814                                                 if ( newContext && (elem = newContext.getElementById( m )) &&
 815                                                         contains( context, elem ) &&
 816                                                         elem.id === m ) {
 817
 818                                                         results.push( elem );
 819                                                         return results;
 820                                                 }
 821                                         }
 822
 823                                 // Type selector
 824                                 } else if ( match[2] ) {
 825                                         push.apply( results, context.getElementsByTagName( selector ) );
 826                                         return results;
 827
 828                                 // Class selector
 829                                 } else if ( (m = match[3]) && support.getElementsByClassName &&
 830                                         context.getElementsByClassName ) {
 831
 832                                         push.apply( results, context.getElementsByClassName( m ) );
 833                                         return results;
 834                                 }
 835                         }
 836
 837                         // Take advantage of querySelectorAll
 838                         if ( support.qsa &&
 839                                 !compilerCache[ selector + " " ] &&
 840                                 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
 841
 842                                 if ( nodeType !== 1 ) {
 843                                         newContext = context;
 844                                         newSelector = selector;
 845
 846                                 // qSA looks outside Element context, which is not what we want
 847                                 // Thanks to Andrew Dupont for this workaround technique
 848                                 // Support: IE <=8
 849                                 // Exclude object elements
 850                                 } else if ( context.nodeName.toLowerCase() !== "object" ) {
 851
 852                                         // Capture the context ID, setting it first if necessary
 853                                         if ( (nid = context.getAttribute( "id" )) ) {
 854                                                 nid = nid.replace( rcssescape, fcssescape );
 855                                         } else {
 856                                                 context.setAttribute( "id", (nid = expando) );
 857                                         }
 858
 859                                         // Prefix every selector in the list
 860                                         groups = tokenize( selector );
 861                                         i = groups.length;
 862                                         while ( i-- ) {
 863                                                 groups[i] = "#" + nid + " " + toSelector( groups[i] );
 864                                         }
 865                                         newSelector = groups.join( "," );
 866
 867                                         // Expand context for sibling selectors
 868                                         newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
 869                                                 context;
 870                                 }
 871
 872                                 if ( newSelector ) {
 873                                         try {
 874                                                 push.apply( results,
 875                                                         newContext.querySelectorAll( newSelector )
 876                                                 );
 877                                                 return results;
 878                                         } catch ( qsaError ) {
 879                                         } finally {
 880                                                 if ( nid === expando ) {
 881                                                         context.removeAttribute( "id" );
 882                                                 }
 883                                         }
 884                                 }
 885                         }
 886                 }
 887         }
 888
 889         // All others
 890         return select( selector.replace( rtrim, "$1" ), context, results, seed );
 891 }
 892
 893 /**
 894  * Create key-value caches of limited size
 895  * @returns {function(string, object)} Returns the Object data after storing it on itself with
 896  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
 897  *      deleting the oldest entry
 898  */
 899 function createCache() {
 900         var keys = [];
 901
 902         function cache( key, value ) {
 903                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
 904                 if ( keys.push( key + " " ) > Expr.cacheLength ) {
 905                         // Only keep the most recent entries
 906                         delete cache[ keys.shift() ];
 907                 }
 908                 return (cache[ key + " " ] = value);
 909         }
 910         return cache;
 911 }
 912
 913 /**
 914  * Mark a function for special use by Sizzle
 915  * @param {Function} fn The function to mark
 916  */
 917 function markFunction( fn ) {
 918         fn[ expando ] = true;
 919         return fn;
 920 }
 921
 922 /**
 923  * Support testing using an element
 924  * @param {Function} fn Passed the created element and returns a boolean result
 925  */
 926 function assert( fn ) {
 927         var el = document.createElement("fieldset");
 928
 929         try {
 930                 return !!fn( el );
 931         } catch (e) {
 932                 return false;
 933         } finally {
 934                 // Remove from its parent by default
 935                 if ( el.parentNode ) {
 936                         el.parentNode.removeChild( el );
 937                 }
 938                 // release memory in IE
 939                 el = null;
 940         }
 941 }
 942
 943 /**
 944  * Adds the same handler for all of the specified attrs
 945  * @param {String} attrs Pipe-separated list of attributes
 946  * @param {Function} handler The method that will be applied
 947  */
 948 function addHandle( attrs, handler ) {
 949         var arr = attrs.split("|"),
 950                 i = arr.length;
 951
 952         while ( i-- ) {
 953                 Expr.attrHandle[ arr[i] ] = handler;
 954         }
 955 }
 956
 957 /**
 958  * Checks document order of two siblings
 959  * @param {Element} a
 960  * @param {Element} b
 961  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
 962  */
 963 function siblingCheck( a, b ) {
 964         var cur = b && a,
 965                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
 966                         a.sourceIndex - b.sourceIndex;
 967
 968         // Use IE sourceIndex if available on both nodes
 969         if ( diff ) {
 970                 return diff;
 971         }
 972
 973         // Check if b follows a
 974         if ( cur ) {
 975                 while ( (cur = cur.nextSibling) ) {
 976                         if ( cur === b ) {
 977                                 return -1;
 978                         }
 979                 }
 980         }
 981
 982         return a ? 1 : -1;
 983 }
 984
 985 /**
 986  * Returns a function to use in pseudos for input types
 987  * @param {String} type
 988  */
 989 function createInputPseudo( type ) {
 990         return function( elem ) {
 991                 var name = elem.nodeName.toLowerCase();
 992                 return name === "input" && elem.type === type;
 993         };
 994 }
 995
 996 /**
 997  * Returns a function to use in pseudos for buttons
 998  * @param {String} type
 999  */
1000 function createButtonPseudo( type ) {
1001         return function( elem ) {
1002                 var name = elem.nodeName.toLowerCase();
1003                 return (name === "input" || name === "button") && elem.type === type;
1004         };
1005 }
1006
1007 /**
1008  * Returns a function to use in pseudos for :enabled/:disabled
1009  * @param {Boolean} disabled true for :disabled; false for :enabled
1010  */
1011 function createDisabledPseudo( disabled ) {
1012
1013         // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1014         return function( elem ) {
1015
1016                 // Only certain elements can match :enabled or :disabled
1017                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1018                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1019                 if ( "form" in elem ) {
1020
1021                         // Check for inherited disabledness on relevant non-disabled elements:
1022                         // * listed form-associated elements in a disabled fieldset
1023                         //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
1024                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1025                         // * option elements in a disabled optgroup
1026                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1027                         // All such elements have a "form" property.
1028                         if ( elem.parentNode && elem.disabled === false ) {
1029
1030                                 // Option elements defer to a parent optgroup if present
1031                                 if ( "label" in elem ) {
1032                                         if ( "label" in elem.parentNode ) {
1033                                                 return elem.parentNode.disabled === disabled;
1034                                         } else {
1035                                                 return elem.disabled === disabled;
1036                                         }
1037                                 }
1038
1039                                 // Support: IE 6 - 11
1040                                 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1041                                 return elem.isDisabled === disabled ||
1042
1043                                         // Where there is no isDisabled, check manually
1044                                         /* jshint -W018 */
1045                                         elem.isDisabled !== !disabled &&
1046                                                 disabledAncestor( elem ) === disabled;
1047                         }
1048
1049                         return elem.disabled === disabled;
1050
1051                 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1052                 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1053                 // even exist on them, let alone have a boolean value.
1054                 } else if ( "label" in elem ) {
1055                         return elem.disabled === disabled;
1056                 }
1057
1058                 // Remaining elements are neither :enabled nor :disabled
1059                 return false;
1060         };
1061 }
1062
1063 /**
1064  * Returns a function to use in pseudos for positionals
1065  * @param {Function} fn
1066  */
1067 function createPositionalPseudo( fn ) {
1068         return markFunction(function( argument ) {
1069                 argument = +argument;
1070                 return markFunction(function( seed, matches ) {
1071                         var j,
1072                                 matchIndexes = fn( [], seed.length, argument ),
1073                                 i = matchIndexes.length;
1074
1075                         // Match elements found at the specified indexes
1076                         while ( i-- ) {
1077                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1078                                         seed[j] = !(matches[j] = seed[j]);
1079                                 }
1080                         }
1081                 });
1082         });
1083 }
1084
1085 /**
1086  * Checks a node for validity as a Sizzle context
1087  * @param {Element|Object=} context
1088  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1089  */
1090 function testContext( context ) {
1091         return context && typeof context.getElementsByTagName !== "undefined" && context;
1092 }
1093
1094 // Expose support vars for convenience
1095 support = Sizzle.support = {};
1096
1097 /**
1098  * Detects XML nodes
1099  * @param {Element|Object} elem An element or a document
1100  * @returns {Boolean} True iff elem is a non-HTML XML node
1101  */
1102 isXML = Sizzle.isXML = function( elem ) {
1103         // documentElement is verified for cases where it doesn't yet exist
1104         // (such as loading iframes in IE - #4833)
1105         var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1106         return documentElement ? documentElement.nodeName !== "HTML" : false;
1107 };
1108
1109 /**
1110  * Sets document-related variables once based on the current document
1111  * @param {Element|Object} [doc] An element or document object to use to set the document
1112  * @returns {Object} Returns the current document
1113  */
1114 setDocument = Sizzle.setDocument = function( node ) {
1115         var hasCompare, subWindow,
1116                 doc = node ? node.ownerDocument || node : preferredDoc;
1117
1118         // Return early if doc is invalid or already selected
1119         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1120                 return document;
1121         }
1122
1123         // Update global variables
1124         document = doc;
1125         docElem = document.documentElement;
1126         documentIsHTML = !isXML( document );
1127
1128         // Support: IE 9-11, Edge
1129         // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1130         if ( preferredDoc !== document &&
1131                 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1132
1133                 // Support: IE 11, Edge
1134                 if ( subWindow.addEventListener ) {
1135                         subWindow.addEventListener( "unload", unloadHandler, false );
1136
1137                 // Support: IE 9 - 10 only
1138                 } else if ( subWindow.attachEvent ) {
1139                         subWindow.attachEvent( "onunload", unloadHandler );
1140                 }
1141         }
1142
1143         /* Attributes
1144         ---------------------------------------------------------------------- */
1145
1146         // Support: IE<8
1147         // Verify that getAttribute really returns attributes and not properties
1148         // (excepting IE8 booleans)
1149         support.attributes = assert(function( el ) {
1150                 el.className = "i";
1151                 return !el.getAttribute("className");
1152         });
1153
1154         /* getElement(s)By*
1155         ---------------------------------------------------------------------- */
1156
1157         // Check if getElementsByTagName("*") returns only elements
1158         support.getElementsByTagName = assert(function( el ) {
1159                 el.appendChild( document.createComment("") );
1160                 return !el.getElementsByTagName("*").length;
1161         });
1162
1163         // Support: IE<9
1164         support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1165
1166         // Support: IE<10
1167         // Check if getElementById returns elements by name
1168         // The broken getElementById methods don't pick up programmatically-set names,
1169         // so use a roundabout getElementsByName test
1170         support.getById = assert(function( el ) {
1171                 docElem.appendChild( el ).id = expando;
1172                 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1173         });
1174
1175         // ID filter and find
1176         if ( support.getById ) {
1177                 Expr.filter["ID"] = function( id ) {
1178                         var attrId = id.replace( runescape, funescape );
1179                         return function( elem ) {
1180                                 return elem.getAttribute("id") === attrId;
1181                         };
1182                 };
1183                 Expr.find["ID"] = function( id, context ) {
1184                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1185                                 var elem = context.getElementById( id );
1186                                 return elem ? [ elem ] : [];
1187                         }
1188                 };
1189         } else {
1190                 Expr.filter["ID"] =  function( id ) {
1191                         var attrId = id.replace( runescape, funescape );
1192                         return function( elem ) {
1193                                 var node = typeof elem.getAttributeNode !== "undefined" &&
1194                                         elem.getAttributeNode("id");
1195                                 return node && node.value === attrId;
1196                         };
1197                 };
1198
1199                 // Support: IE 6 - 7 only
1200                 // getElementById is not reliable as a find shortcut
1201                 Expr.find["ID"] = function( id, context ) {
1202                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1203                                 var node, i, elems,
1204                                         elem = context.getElementById( id );
1205
1206                                 if ( elem ) {
1207
1208                                         // Verify the id attribute
1209                                         node = elem.getAttributeNode("id");
1210                                         if ( node && node.value === id ) {
1211                                                 return [ elem ];
1212                                         }
1213
1214                                         // Fall back on getElementsByName
1215                                         elems = context.getElementsByName( id );
1216                                         i = 0;
1217                                         while ( (elem = elems[i++]) ) {
1218                                                 node = elem.getAttributeNode("id");
1219                                                 if ( node && node.value === id ) {
1220                                                         return [ elem ];
1221                                                 }
1222                                         }
1223                                 }
1224
1225                                 return [];
1226                         }
1227                 };
1228         }
1229
1230         // Tag
1231         Expr.find["TAG"] = support.getElementsByTagName ?
1232                 function( tag, context ) {
1233                         if ( typeof context.getElementsByTagName !== "undefined" ) {
1234                                 return context.getElementsByTagName( tag );
1235
1236                         // DocumentFragment nodes don't have gEBTN
1237                         } else if ( support.qsa ) {
1238                                 return context.querySelectorAll( tag );
1239                         }
1240                 } :
1241
1242                 function( tag, context ) {
1243                         var elem,
1244                                 tmp = [],
1245                                 i = 0,
1246                                 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1247                                 results = context.getElementsByTagName( tag );
1248
1249                         // Filter out possible comments
1250                         if ( tag === "*" ) {
1251                                 while ( (elem = results[i++]) ) {
1252                                         if ( elem.nodeType === 1 ) {
1253                                                 tmp.push( elem );
1254                                         }
1255                                 }
1256
1257                                 return tmp;
1258                         }
1259                         return results;
1260                 };
1261
1262         // Class
1263         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1264                 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1265                         return context.getElementsByClassName( className );
1266                 }
1267         };
1268
1269         /* QSA/matchesSelector
1270         ---------------------------------------------------------------------- */
1271
1272         // QSA and matchesSelector support
1273
1274         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1275         rbuggyMatches = [];
1276
1277         // qSa(:focus) reports false when true (Chrome 21)
1278         // We allow this because of a bug in IE8/9 that throws an error
1279         // whenever `document.activeElement` is accessed on an iframe
1280         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1281         // See https://bugs.jquery.com/ticket/13378
1282         rbuggyQSA = [];
1283
1284         if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1285                 // Build QSA regex
1286                 // Regex strategy adopted from Diego Perini
1287                 assert(function( el ) {
1288                         // Select is set to empty string on purpose
1289                         // This is to test IE's treatment of not explicitly
1290                         // setting a boolean content attribute,
1291                         // since its presence should be enough
1292                         // https://bugs.jquery.com/ticket/12359
1293                         docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1294                                 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1295                                 "<option selected=''></option></select>";
1296
1297                         // Support: IE8, Opera 11-12.16
1298                         // Nothing should be selected when empty strings follow ^= or $= or *=
1299                         // The test attribute must be unknown in Opera but "safe" for WinRT
1300                         // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1301                         if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1302                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1303                         }
1304
1305                         // Support: IE8
1306                         // Boolean attributes and "value" are not treated correctly
1307                         if ( !el.querySelectorAll("[selected]").length ) {
1308                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1309                         }
1310
1311                         // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1312                         if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1313                                 rbuggyQSA.push("~=");
1314                         }
1315
1316                         // Webkit/Opera - :checked should return selected option elements
1317                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1318                         // IE8 throws error here and will not see later tests
1319                         if ( !el.querySelectorAll(":checked").length ) {
1320                                 rbuggyQSA.push(":checked");
1321                         }
1322
1323                         // Support: Safari 8+, iOS 8+
1324                         // https://bugs.webkit.org/show_bug.cgi?id=136851
1325                         // In-page `selector#id sibling-combinator selector` fails
1326                         if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1327                                 rbuggyQSA.push(".#.+[+~]");
1328                         }
1329                 });
1330
1331                 assert(function( el ) {
1332                         el.innerHTML = "<a href='' disabled='disabled'></a>" +
1333                                 "<select disabled='disabled'><option/></select>";
1334
1335                         // Support: Windows 8 Native Apps
1336                         // The type and name attributes are restricted during .innerHTML assignment
1337                         var input = document.createElement("input");
1338                         input.setAttribute( "type", "hidden" );
1339                         el.appendChild( input ).setAttribute( "name", "D" );
1340
1341                         // Support: IE8
1342                         // Enforce case-sensitivity of name attribute
1343                         if ( el.querySelectorAll("[name=d]").length ) {
1344                                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1345                         }
1346
1347                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1348                         // IE8 throws error here and will not see later tests
1349                         if ( el.querySelectorAll(":enabled").length !== 2 ) {
1350                                 rbuggyQSA.push( ":enabled", ":disabled" );
1351                         }
1352
1353                         // Support: IE9-11+
1354                         // IE's :disabled selector does not pick up the children of disabled fieldsets
1355                         docElem.appendChild( el ).disabled = true;
1356                         if ( el.querySelectorAll(":disabled").length !== 2 ) {
1357                                 rbuggyQSA.push( ":enabled", ":disabled" );
1358                         }
1359
1360                         // Opera 10-11 does not throw on post-comma invalid pseudos
1361                         el.querySelectorAll("*,:x");
1362                         rbuggyQSA.push(",.*:");
1363                 });
1364         }
1365
1366         if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1367                 docElem.webkitMatchesSelector ||
1368                 docElem.mozMatchesSelector ||
1369                 docElem.oMatchesSelector ||
1370                 docElem.msMatchesSelector) )) ) {
1371
1372                 assert(function( el ) {
1373                         // Check to see if it's possible to do matchesSelector
1374                         // on a disconnected node (IE 9)
1375                         support.disconnectedMatch = matches.call( el, "*" );
1376
1377                         // This should fail with an exception
1378                         // Gecko does not error, returns false instead
1379                         matches.call( el, "[s!='']:x" );
1380                         rbuggyMatches.push( "!=", pseudos );
1381                 });
1382         }
1383
1384         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1385         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1386
1387         /* Contains
1388         ---------------------------------------------------------------------- */
1389         hasCompare = rnative.test( docElem.compareDocumentPosition );
1390
1391         // Element contains another
1392         // Purposefully self-exclusive
1393         // As in, an element does not contain itself
1394         contains = hasCompare || rnative.test( docElem.contains ) ?
1395                 function( a, b ) {
1396                         var adown = a.nodeType === 9 ? a.documentElement : a,
1397                                 bup = b && b.parentNode;
1398                         return a === bup || !!( bup && bup.nodeType === 1 && (
1399                                 adown.contains ?
1400                                         adown.contains( bup ) :
1401                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1402                         ));
1403                 } :
1404                 function( a, b ) {
1405                         if ( b ) {
1406                                 while ( (b = b.parentNode) ) {
1407                                         if ( b === a ) {
1408                                                 return true;
1409                                         }
1410                                 }
1411                         }
1412                         return false;
1413                 };
1414
1415         /* Sorting
1416         ---------------------------------------------------------------------- */
1417
1418         // Document order sorting
1419         sortOrder = hasCompare ?
1420         function( a, b ) {
1421
1422                 // Flag for duplicate removal
1423                 if ( a === b ) {
1424                         hasDuplicate = true;
1425                         return 0;
1426                 }
1427
1428                 // Sort on method existence if only one input has compareDocumentPosition
1429                 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1430                 if ( compare ) {
1431                         return compare;
1432                 }
1433
1434                 // Calculate position if both inputs belong to the same document
1435                 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1436                         a.compareDocumentPosition( b ) :
1437
1438                         // Otherwise we know they are disconnected
1439                         1;
1440
1441                 // Disconnected nodes
1442                 if ( compare & 1 ||
1443                         (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1444
1445                         // Choose the first element that is related to our preferred document
1446                         if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1447                                 return -1;
1448                         }
1449                         if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1450                                 return 1;
1451                         }
1452
1453                         // Maintain original order
1454                         return sortInput ?
1455                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1456                                 0;
1457                 }
1458
1459                 return compare & 4 ? -1 : 1;
1460         } :
1461         function( a, b ) {
1462                 // Exit early if the nodes are identical
1463                 if ( a === b ) {
1464                         hasDuplicate = true;
1465                         return 0;
1466                 }
1467
1468                 var cur,
1469                         i = 0,
1470                         aup = a.parentNode,
1471                         bup = b.parentNode,
1472                         ap = [ a ],
1473                         bp = [ b ];
1474
1475                 // Parentless nodes are either documents or disconnected
1476                 if ( !aup || !bup ) {
1477                         return a === document ? -1 :
1478                                 b === document ? 1 :
1479                                 aup ? -1 :
1480                                 bup ? 1 :
1481                                 sortInput ?
1482                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1483                                 0;
1484
1485                 // If the nodes are siblings, we can do a quick check
1486                 } else if ( aup === bup ) {
1487                         return siblingCheck( a, b );
1488                 }
1489
1490                 // Otherwise we need full lists of their ancestors for comparison
1491                 cur = a;
1492                 while ( (cur = cur.parentNode) ) {
1493                         ap.unshift( cur );
1494                 }
1495                 cur = b;
1496                 while ( (cur = cur.parentNode) ) {
1497                         bp.unshift( cur );
1498                 }
1499
1500                 // Walk down the tree looking for a discrepancy
1501                 while ( ap[i] === bp[i] ) {
1502                         i++;
1503                 }
1504
1505                 return i ?
1506                         // Do a sibling check if the nodes have a common ancestor
1507                         siblingCheck( ap[i], bp[i] ) :
1508
1509                         // Otherwise nodes in our document sort first
1510                         ap[i] === preferredDoc ? -1 :
1511                         bp[i] === preferredDoc ? 1 :
1512                         0;
1513         };
1514
1515         return document;
1516 };
1517
1518 Sizzle.matches = function( expr, elements ) {
1519         return Sizzle( expr, null, null, elements );
1520 };
1521
1522 Sizzle.matchesSelector = function( elem, expr ) {
1523         // Set document vars if needed
1524         if ( ( elem.ownerDocument || elem ) !== document ) {
1525                 setDocument( elem );
1526         }
1527
1528         // Make sure that attribute selectors are quoted
1529         expr = expr.replace( rattributeQuotes, "='$1']" );
1530
1531         if ( support.matchesSelector && documentIsHTML &&
1532                 !compilerCache[ expr + " " ] &&
1533                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1534                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1535
1536                 try {
1537                         var ret = matches.call( elem, expr );
1538
1539                         // IE 9's matchesSelector returns false on disconnected nodes
1540                         if ( ret || support.disconnectedMatch ||
1541                                         // As well, disconnected nodes are said to be in a document
1542                                         // fragment in IE 9
1543                                         elem.document && elem.document.nodeType !== 11 ) {
1544                                 return ret;
1545                         }
1546                 } catch (e) {}
1547         }
1548
1549         return Sizzle( expr, document, null, [ elem ] ).length > 0;
1550 };
1551
1552 Sizzle.contains = function( context, elem ) {
1553         // Set document vars if needed
1554         if ( ( context.ownerDocument || context ) !== document ) {
1555                 setDocument( context );
1556         }
1557         return contains( context, elem );
1558 };
1559
1560 Sizzle.attr = function( elem, name ) {
1561         // Set document vars if needed
1562         if ( ( elem.ownerDocument || elem ) !== document ) {
1563                 setDocument( elem );
1564         }
1565
1566         var fn = Expr.attrHandle[ name.toLowerCase() ],
1567                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1568                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1569                         fn( elem, name, !documentIsHTML ) :
1570                         undefined;
1571
1572         return val !== undefined ?
1573                 val :
1574                 support.attributes || !documentIsHTML ?
1575                         elem.getAttribute( name ) :
1576                         (val = elem.getAttributeNode(name)) && val.specified ?
1577                                 val.value :
1578                                 null;
1579 };
1580
1581 Sizzle.escape = function( sel ) {
1582         return (sel + "").replace( rcssescape, fcssescape );
1583 };
1584
1585 Sizzle.error = function( msg ) {
1586         throw new Error( "Syntax error, unrecognized expression: " + msg );
1587 };
1588
1589 /**
1590  * Document sorting and removing duplicates
1591  * @param {ArrayLike} results
1592  */
1593 Sizzle.uniqueSort = function( results ) {
1594         var elem,
1595                 duplicates = [],
1596                 j = 0,
1597                 i = 0;
1598
1599         // Unless we *know* we can detect duplicates, assume their presence
1600         hasDuplicate = !support.detectDuplicates;
1601         sortInput = !support.sortStable && results.slice( 0 );
1602         results.sort( sortOrder );
1603
1604         if ( hasDuplicate ) {
1605                 while ( (elem = results[i++]) ) {
1606                         if ( elem === results[ i ] ) {
1607                                 j = duplicates.push( i );
1608                         }
1609                 }
1610                 while ( j-- ) {
1611                         results.splice( duplicates[ j ], 1 );
1612                 }
1613         }
1614
1615         // Clear input after sorting to release objects
1616         // See https://github.com/jquery/sizzle/pull/225
1617         sortInput = null;
1618
1619         return results;
1620 };
1621
1622 /**
1623  * Utility function for retrieving the text value of an array of DOM nodes
1624  * @param {Array|Element} elem
1625  */
1626 getText = Sizzle.getText = function( elem ) {
1627         var node,
1628                 ret = "",
1629                 i = 0,
1630                 nodeType = elem.nodeType;
1631
1632         if ( !nodeType ) {
1633                 // If no nodeType, this is expected to be an array
1634                 while ( (node = elem[i++]) ) {
1635                         // Do not traverse comment nodes
1636                         ret += getText( node );
1637                 }
1638         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1639                 // Use textContent for elements
1640                 // innerText usage removed for consistency of new lines (jQuery #11153)
1641                 if ( typeof elem.textContent === "string" ) {
1642                         return elem.textContent;
1643                 } else {
1644                         // Traverse its children
1645                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1646                                 ret += getText( elem );
1647                         }
1648                 }
1649         } else if ( nodeType === 3 || nodeType === 4 ) {
1650                 return elem.nodeValue;
1651         }
1652         // Do not include comment or processing instruction nodes
1653
1654         return ret;
1655 };
1656
1657 Expr = Sizzle.selectors = {
1658
1659         // Can be adjusted by the user
1660         cacheLength: 50,
1661
1662         createPseudo: markFunction,
1663
1664         match: matchExpr,
1665
1666         attrHandle: {},
1667
1668         find: {},
1669
1670         relative: {
1671                 ">": { dir: "parentNode", first: true },
1672                 " ": { dir: "parentNode" },
1673                 "+": { dir: "previousSibling", first: true },
1674                 "~": { dir: "previousSibling" }
1675         },
1676
1677         preFilter: {
1678                 "ATTR": function( match ) {
1679                         match[1] = match[1].replace( runescape, funescape );
1680
1681                         // Move the given value to match[3] whether quoted or unquoted
1682                         match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1683
1684                         if ( match[2] === "~=" ) {
1685                                 match[3] = " " + match[3] + " ";
1686                         }
1687
1688                         return match.slice( 0, 4 );
1689                 },
1690
1691                 "CHILD": function( match ) {
1692                         /* matches from matchExpr["CHILD"]
1693                                 1 type (only|nth|...)
1694                                 2 what (child|of-type)
1695                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1696                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1697                                 5 sign of xn-component
1698                                 6 x of xn-component
1699                                 7 sign of y-component
1700                                 8 y of y-component
1701                         */
1702                         match[1] = match[1].toLowerCase();
1703
1704                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1705                                 // nth-* requires argument
1706                                 if ( !match[3] ) {
1707                                         Sizzle.error( match[0] );
1708                                 }
1709
1710                                 // numeric x and y parameters for Expr.filter.CHILD
1711                                 // remember that false/true cast respectively to 0/1
1712                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1713                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1714
1715                         // other types prohibit arguments
1716                         } else if ( match[3] ) {
1717                                 Sizzle.error( match[0] );
1718                         }
1719
1720                         return match;
1721                 },
1722
1723                 "PSEUDO": function( match ) {
1724                         var excess,
1725                                 unquoted = !match[6] && match[2];
1726
1727                         if ( matchExpr["CHILD"].test( match[0] ) ) {
1728                                 return null;
1729                         }
1730
1731                         // Accept quoted arguments as-is
1732                         if ( match[3] ) {
1733                                 match[2] = match[4] || match[5] || "";
1734
1735                         // Strip excess characters from unquoted arguments
1736                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1737                                 // Get excess from tokenize (recursively)
1738                                 (excess = tokenize( unquoted, true )) &&
1739                                 // advance to the next closing parenthesis
1740                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1741
1742                                 // excess is a negative index
1743                                 match[0] = match[0].slice( 0, excess );
1744                                 match[2] = unquoted.slice( 0, excess );
1745                         }
1746
1747                         // Return only captures needed by the pseudo filter method (type and argument)
1748                         return match.slice( 0, 3 );
1749                 }
1750         },
1751
1752         filter: {
1753
1754                 "TAG": function( nodeNameSelector ) {
1755                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1756                         return nodeNameSelector === "*" ?
1757                                 function() { return true; } :
1758                                 function( elem ) {
1759                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1760                                 };
1761                 },
1762
1763                 "CLASS": function( className ) {
1764                         var pattern = classCache[ className + " " ];
1765
1766                         return pattern ||
1767                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1768                                 classCache( className, function( elem ) {
1769                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1770                                 });
1771                 },
1772
1773                 "ATTR": function( name, operator, check ) {
1774                         return function( elem ) {
1775                                 var result = Sizzle.attr( elem, name );
1776
1777                                 if ( result == null ) {
1778                                         return operator === "!=";
1779                                 }
1780                                 if ( !operator ) {
1781                                         return true;
1782                                 }
1783
1784                                 result += "";
1785
1786                                 return operator === "=" ? result === check :
1787                                         operator === "!=" ? result !== check :
1788                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
1789                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
1790                                         operator === "$=" ? check && result.slice( -check.length ) === check :
1791                                         operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1792                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1793                                         false;
1794                         };
1795                 },
1796
1797                 "CHILD": function( type, what, argument, first, last ) {
1798                         var simple = type.slice( 0, 3 ) !== "nth",
1799                                 forward = type.slice( -4 ) !== "last",
1800                                 ofType = what === "of-type";
1801
1802                         return first === 1 && last === 0 ?
1803
1804                                 // Shortcut for :nth-*(n)
1805                                 function( elem ) {
1806                                         return !!elem.parentNode;
1807                                 } :
1808
1809                                 function( elem, context, xml ) {
1810                                         var cache, uniqueCache, outerCache, node, nodeIndex, start,
1811                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
1812                                                 parent = elem.parentNode,
1813                                                 name = ofType && elem.nodeName.toLowerCase(),
1814                                                 useCache = !xml && !ofType,
1815                                                 diff = false;
1816
1817                                         if ( parent ) {
1818
1819                                                 // :(first|last|only)-(child|of-type)
1820                                                 if ( simple ) {
1821                                                         while ( dir ) {
1822                                                                 node = elem;
1823                                                                 while ( (node = node[ dir ]) ) {
1824                                                                         if ( ofType ?
1825                                                                                 node.nodeName.toLowerCase() === name :
1826                                                                                 node.nodeType === 1 ) {
1827
1828                                                                                 return false;
1829                                                                         }
1830                                                                 }
1831                                                                 // Reverse direction for :only-* (if we haven't yet done so)
1832                                                                 start = dir = type === "only" && !start && "nextSibling";
1833                                                         }
1834                                                         return true;
1835                                                 }
1836
1837                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
1838
1839                                                 // non-xml :nth-child(...) stores cache data on `parent`
1840                                                 if ( forward && useCache ) {
1841
1842                                                         // Seek `elem` from a previously-cached index
1843
1844                                                         // ...in a gzip-friendly way
1845                                                         node = parent;
1846                                                         outerCache = node[ expando ] || (node[ expando ] = {});
1847
1848                                                         // Support: IE <9 only
1849                                                         // Defend against cloned attroperties (jQuery gh-1709)
1850                                                         uniqueCache = outerCache[ node.uniqueID ] ||
1851                                                                 (outerCache[ node.uniqueID ] = {});
1852
1853                                                         cache = uniqueCache[ type ] || [];
1854                                                         nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1855                                                         diff = nodeIndex && cache[ 2 ];
1856                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
1857
1858                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1859
1860                                                                 // Fallback to seeking `elem` from the start
1861                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1862
1863                                                                 // When found, cache indexes on `parent` and break
1864                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1865                                                                         uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1866                                                                         break;
1867                                                                 }
1868                                                         }
1869
1870                                                 } else {
1871                                                         // Use previously-cached element index if available
1872                                                         if ( useCache ) {
1873                                                                 // ...in a gzip-friendly way
1874                                                                 node = elem;
1875                                                                 outerCache = node[ expando ] || (node[ expando ] = {});
1876
1877                                                                 // Support: IE <9 only
1878                                                                 // Defend against cloned attroperties (jQuery gh-1709)
1879                                                                 uniqueCache = outerCache[ node.uniqueID ] ||
1880                                                                         (outerCache[ node.uniqueID ] = {});
1881
1882                                                                 cache = uniqueCache[ type ] || [];
1883                                                                 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1884                                                                 diff = nodeIndex;
1885                                                         }
1886
1887                                                         // xml :nth-child(...)
1888                                                         // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1889                                                         if ( diff === false ) {
1890                                                                 // Use the same loop as above to seek `elem` from the start
1891                                                                 while ( (node = ++nodeIndex && node && node[ dir ] ||
1892                                                                         (diff = nodeIndex = 0) || start.pop()) ) {
1893
1894                                                                         if ( ( ofType ?
1895                                                                                 node.nodeName.toLowerCase() === name :
1896                                                                                 node.nodeType === 1 ) &&
1897                                                                                 ++diff ) {
1898
1899                                                                                 // Cache the index of each encountered element
1900                                                                                 if ( useCache ) {
1901                                                                                         outerCache = node[ expando ] || (node[ expando ] = {});
1902
1903                                                                                         // Support: IE <9 only
1904                                                                                         // Defend against cloned attroperties (jQuery gh-1709)
1905                                                                                         uniqueCache = outerCache[ node.uniqueID ] ||
1906                                                                                                 (outerCache[ node.uniqueID ] = {});
1907
1908                                                                                         uniqueCache[ type ] = [ dirruns, diff ];
1909                                                                                 }
1910
1911                                                                                 if ( node === elem ) {
1912                                                                                         break;
1913                                                                                 }
1914                                                                         }
1915                                                                 }
1916                                                         }
1917                                                 }
1918
1919                                                 // Incorporate the offset, then check against cycle size
1920                                                 diff -= last;
1921                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1922                                         }
1923                                 };
1924                 },
1925
1926                 "PSEUDO": function( pseudo, argument ) {
1927                         // pseudo-class names are case-insensitive
1928                         // http://www.w3.org/TR/selectors/#pseudo-classes
1929                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1930                         // Remember that setFilters inherits from pseudos
1931                         var args,
1932                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1933                                         Sizzle.error( "unsupported pseudo: " + pseudo );
1934
1935                         // The user may use createPseudo to indicate that
1936                         // arguments are needed to create the filter function
1937                         // just as Sizzle does
1938                         if ( fn[ expando ] ) {
1939                                 return fn( argument );
1940                         }
1941
1942                         // But maintain support for old signatures
1943                         if ( fn.length > 1 ) {
1944                                 args = [ pseudo, pseudo, "", argument ];
1945                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1946                                         markFunction(function( seed, matches ) {
1947                                                 var idx,
1948                                                         matched = fn( seed, argument ),
1949                                                         i = matched.length;
1950                                                 while ( i-- ) {
1951                                                         idx = indexOf( seed, matched[i] );
1952                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
1953                                                 }
1954                                         }) :
1955                                         function( elem ) {
1956                                                 return fn( elem, 0, args );
1957                                         };
1958                         }
1959
1960                         return fn;
1961                 }
1962         },
1963
1964         pseudos: {
1965                 // Potentially complex pseudos
1966                 "not": markFunction(function( selector ) {
1967                         // Trim the selector passed to compile
1968                         // to avoid treating leading and trailing
1969                         // spaces as combinators
1970                         var input = [],
1971                                 results = [],
1972                                 matcher = compile( selector.replace( rtrim, "$1" ) );
1973
1974                         return matcher[ expando ] ?
1975                                 markFunction(function( seed, matches, context, xml ) {
1976                                         var elem,
1977                                                 unmatched = matcher( seed, null, xml, [] ),
1978                                                 i = seed.length;
1979
1980                                         // Match elements unmatched by `matcher`
1981                                         while ( i-- ) {
1982                                                 if ( (elem = unmatched[i]) ) {
1983                                                         seed[i] = !(matches[i] = elem);
1984                                                 }
1985                                         }
1986                                 }) :
1987                                 function( elem, context, xml ) {
1988                                         input[0] = elem;
1989                                         matcher( input, null, xml, results );
1990                                         // Don't keep the element (issue #299)
1991                                         input[0] = null;
1992                                         return !results.pop();
1993                                 };
1994                 }),
1995
1996                 "has": markFunction(function( selector ) {
1997                         return function( elem ) {
1998                                 return Sizzle( selector, elem ).length > 0;
1999                         };
2000                 }),
2001
2002                 "contains": markFunction(function( text ) {
2003                         text = text.replace( runescape, funescape );
2004                         return function( elem ) {
2005                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
2006                         };
2007                 }),
2008
2009                 // "Whether an element is represented by a :lang() selector
2010                 // is based solely on the element's language value
2011                 // being equal to the identifier C,
2012                 // or beginning with the identifier C immediately followed by "-".
2013                 // The matching of C against the element's language value is performed case-insensitively.
2014                 // The identifier C does not have to be a valid language name."
2015                 // http://www.w3.org/TR/selectors/#lang-pseudo
2016                 "lang": markFunction( function( lang ) {
2017                         // lang value must be a valid identifier
2018                         if ( !ridentifier.test(lang || "") ) {
2019                                 Sizzle.error( "unsupported lang: " + lang );
2020                         }
2021                         lang = lang.replace( runescape, funescape ).toLowerCase();
2022                         return function( elem ) {
2023                                 var elemLang;
2024                                 do {
2025                                         if ( (elemLang = documentIsHTML ?
2026                                                 elem.lang :
2027                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2028
2029                                                 elemLang = elemLang.toLowerCase();
2030                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2031                                         }
2032                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2033                                 return false;
2034                         };
2035                 }),
2036
2037                 // Miscellaneous
2038                 "target": function( elem ) {
2039                         var hash = window.location && window.location.hash;
2040                         return hash && hash.slice( 1 ) === elem.id;
2041                 },
2042
2043                 "root": function( elem ) {
2044                         return elem === docElem;
2045                 },
2046
2047                 "focus": function( elem ) {
2048                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2049                 },
2050
2051                 // Boolean properties
2052                 "enabled": createDisabledPseudo( false ),
2053                 "disabled": createDisabledPseudo( true ),
2054
2055                 "checked": function( elem ) {
2056                         // In CSS3, :checked should return both checked and selected elements
2057                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2058                         var nodeName = elem.nodeName.toLowerCase();
2059                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2060                 },
2061
2062                 "selected": function( elem ) {
2063                         // Accessing this property makes selected-by-default
2064                         // options in Safari work properly
2065                         if ( elem.parentNode ) {
2066                                 elem.parentNode.selectedIndex;
2067                         }
2068
2069                         return elem.selected === true;
2070                 },
2071
2072                 // Contents
2073                 "empty": function( elem ) {
2074                         // http://www.w3.org/TR/selectors/#empty-pseudo
2075                         // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2076                         //   but not by others (comment: 8; processing instruction: 7; etc.)
2077                         // nodeType < 6 works because attributes (2) do not appear as children
2078                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2079                                 if ( elem.nodeType < 6 ) {
2080                                         return false;
2081                                 }
2082                         }
2083                         return true;
2084                 },
2085
2086                 "parent": function( elem ) {
2087                         return !Expr.pseudos["empty"]( elem );
2088                 },
2089
2090                 // Element/input types
2091                 "header": function( elem ) {
2092                         return rheader.test( elem.nodeName );
2093                 },
2094
2095                 "input": function( elem ) {
2096                         return rinputs.test( elem.nodeName );
2097                 },
2098
2099                 "button": function( elem ) {
2100                         var name = elem.nodeName.toLowerCase();
2101                         return name === "input" && elem.type === "button" || name === "button";
2102                 },
2103
2104                 "text": function( elem ) {
2105                         var attr;
2106                         return elem.nodeName.toLowerCase() === "input" &&
2107                                 elem.type === "text" &&
2108
2109                                 // Support: IE<8
2110                                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2111                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2112                 },
2113
2114                 // Position-in-collection
2115                 "first": createPositionalPseudo(function() {
2116                         return [ 0 ];
2117                 }),
2118
2119                 "last": createPositionalPseudo(function( matchIndexes, length ) {
2120                         return [ length - 1 ];
2121                 }),
2122
2123                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2124                         return [ argument < 0 ? argument + length : argument ];
2125                 }),
2126
2127                 "even": createPositionalPseudo(function( matchIndexes, length ) {
2128                         var i = 0;
2129                         for ( ; i < length; i += 2 ) {
2130                                 matchIndexes.push( i );
2131                         }
2132                         return matchIndexes;
2133                 }),
2134
2135                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2136                         var i = 1;
2137                         for ( ; i < length; i += 2 ) {
2138                                 matchIndexes.push( i );
2139                         }
2140                         return matchIndexes;
2141                 }),
2142
2143                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2144                         var i = argument < 0 ? argument + length : argument;
2145                         for ( ; --i >= 0; ) {
2146                                 matchIndexes.push( i );
2147                         }
2148                         return matchIndexes;
2149                 }),
2150
2151                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2152                         var i = argument < 0 ? argument + length : argument;
2153                         for ( ; ++i < length; ) {
2154                                 matchIndexes.push( i );
2155                         }
2156                         return matchIndexes;
2157                 })
2158         }
2159 };
2160
2161 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2162
2163 // Add button/input type pseudos
2164 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2165         Expr.pseudos[ i ] = createInputPseudo( i );
2166 }
2167 for ( i in { submit: true, reset: true } ) {
2168         Expr.pseudos[ i ] = createButtonPseudo( i );
2169 }
2170
2171 // Easy API for creating new setFilters
2172 function setFilters() {}
2173 setFilters.prototype = Expr.filters = Expr.pseudos;
2174 Expr.setFilters = new setFilters();
2175
2176 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2177         var matched, match, tokens, type,
2178                 soFar, groups, preFilters,
2179                 cached = tokenCache[ selector + " " ];
2180
2181         if ( cached ) {
2182                 return parseOnly ? 0 : cached.slice( 0 );
2183         }
2184
2185         soFar = selector;
2186         groups = [];
2187         preFilters = Expr.preFilter;
2188
2189         while ( soFar ) {
2190
2191                 // Comma and first run
2192                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2193                         if ( match ) {
2194                                 // Don't consume trailing commas as valid
2195                                 soFar = soFar.slice( match[0].length ) || soFar;
2196                         }
2197                         groups.push( (tokens = []) );
2198                 }
2199
2200                 matched = false;
2201
2202                 // Combinators
2203                 if ( (match = rcombinators.exec( soFar )) ) {
2204                         matched = match.shift();
2205                         tokens.push({
2206                                 value: matched,
2207                                 // Cast descendant combinators to space
2208                                 type: match[0].replace( rtrim, " " )
2209                         });
2210                         soFar = soFar.slice( matched.length );
2211                 }
2212
2213                 // Filters
2214                 for ( type in Expr.filter ) {
2215                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2216                                 (match = preFilters[ type ]( match ))) ) {
2217                                 matched = match.shift();
2218                                 tokens.push({
2219                                         value: matched,
2220                                         type: type,
2221                                         matches: match
2222                                 });
2223                                 soFar = soFar.slice( matched.length );
2224                         }
2225                 }
2226
2227                 if ( !matched ) {
2228                         break;
2229                 }
2230         }
2231
2232         // Return the length of the invalid excess
2233         // if we're just parsing
2234         // Otherwise, throw an error or return tokens
2235         return parseOnly ?
2236                 soFar.length :
2237                 soFar ?
2238                         Sizzle.error( selector ) :
2239                         // Cache the tokens
2240                         tokenCache( selector, groups ).slice( 0 );
2241 };
2242
2243 function toSelector( tokens ) {
2244         var i = 0,
2245                 len = tokens.length,
2246                 selector = "";
2247         for ( ; i < len; i++ ) {
2248                 selector += tokens[i].value;
2249         }
2250         return selector;
2251 }
2252
2253 function addCombinator( matcher, combinator, base ) {
2254         var dir = combinator.dir,
2255                 skip = combinator.next,
2256                 key = skip || dir,
2257                 checkNonElements = base && key === "parentNode",
2258                 doneName = done++;
2259
2260         return combinator.first ?
2261                 // Check against closest ancestor/preceding element
2262                 function( elem, context, xml ) {
2263                         while ( (elem = elem[ dir ]) ) {
2264                                 if ( elem.nodeType === 1 || checkNonElements ) {
2265                                         return matcher( elem, context, xml );
2266                                 }
2267                         }
2268                         return false;
2269                 } :
2270
2271                 // Check against all ancestor/preceding elements
2272                 function( elem, context, xml ) {
2273                         var oldCache, uniqueCache, outerCache,
2274                                 newCache = [ dirruns, doneName ];
2275
2276                         // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2277                         if ( xml ) {
2278                                 while ( (elem = elem[ dir ]) ) {
2279                                         if ( elem.nodeType === 1 || checkNonElements ) {
2280                                                 if ( matcher( elem, context, xml ) ) {
2281                                                         return true;
2282                                                 }
2283                                         }
2284                                 }
2285                         } else {
2286                                 while ( (elem = elem[ dir ]) ) {
2287                                         if ( elem.nodeType === 1 || checkNonElements ) {
2288                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2289
2290                                                 // Support: IE <9 only
2291                                                 // Defend against cloned attroperties (jQuery gh-1709)
2292                                                 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2293
2294                                                 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2295                                                         elem = elem[ dir ] || elem;
2296                                                 } else if ( (oldCache = uniqueCache[ key ]) &&
2297                                                         oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2298
2299                                                         // Assign to newCache so results back-propagate to previous elements
2300                                                         return (newCache[ 2 ] = oldCache[ 2 ]);
2301                                                 } else {
2302                                                         // Reuse newcache so results back-propagate to previous elements
2303                                                         uniqueCache[ key ] = newCache;
2304
2305                                                         // A match means we're done; a fail means we have to keep checking
2306                                                         if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2307                                                                 return true;
2308                                                         }
2309                                                 }
2310                                         }
2311                                 }
2312                         }
2313                         return false;
2314                 };
2315 }
2316
2317 function elementMatcher( matchers ) {
2318         return matchers.length > 1 ?
2319                 function( elem, context, xml ) {
2320                         var i = matchers.length;
2321                         while ( i-- ) {
2322                                 if ( !matchers[i]( elem, context, xml ) ) {
2323                                         return false;
2324                                 }
2325                         }
2326                         return true;
2327                 } :
2328                 matchers[0];
2329 }
2330
2331 function multipleContexts( selector, contexts, results ) {
2332         var i = 0,
2333                 len = contexts.length;
2334         for ( ; i < len; i++ ) {
2335                 Sizzle( selector, contexts[i], results );
2336         }
2337         return results;
2338 }
2339
2340 function condense( unmatched, map, filter, context, xml ) {
2341         var elem,
2342                 newUnmatched = [],
2343                 i = 0,
2344                 len = unmatched.length,
2345                 mapped = map != null;
2346
2347         for ( ; i < len; i++ ) {
2348                 if ( (elem = unmatched[i]) ) {
2349                         if ( !filter || filter( elem, context, xml ) ) {
2350                                 newUnmatched.push( elem );
2351                                 if ( mapped ) {
2352                                         map.push( i );
2353                                 }
2354                         }
2355                 }
2356         }
2357
2358         return newUnmatched;
2359 }
2360
2361 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2362         if ( postFilter && !postFilter[ expando ] ) {
2363                 postFilter = setMatcher( postFilter );
2364         }
2365         if ( postFinder && !postFinder[ expando ] ) {
2366                 postFinder = setMatcher( postFinder, postSelector );
2367         }
2368         return markFunction(function( seed, results, context, xml ) {
2369                 var temp, i, elem,
2370                         preMap = [],
2371                         postMap = [],
2372                         preexisting = results.length,
2373
2374                         // Get initial elements from seed or context
2375                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2376
2377                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2378                         matcherIn = preFilter && ( seed || !selector ) ?
2379                                 condense( elems, preMap, preFilter, context, xml ) :
2380                                 elems,
2381
2382                         matcherOut = matcher ?
2383                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2384                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2385
2386                                         // ...intermediate processing is necessary
2387                                         [] :
2388
2389                                         // ...otherwise use results directly
2390                                         results :
2391                                 matcherIn;
2392
2393                 // Find primary matches
2394                 if ( matcher ) {
2395                         matcher( matcherIn, matcherOut, context, xml );
2396                 }
2397
2398                 // Apply postFilter
2399                 if ( postFilter ) {
2400                         temp = condense( matcherOut, postMap );
2401                         postFilter( temp, [], context, xml );
2402
2403                         // Un-match failing elements by moving them back to matcherIn
2404                         i = temp.length;
2405                         while ( i-- ) {
2406                                 if ( (elem = temp[i]) ) {
2407                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2408                                 }
2409                         }
2410                 }
2411
2412                 if ( seed ) {
2413                         if ( postFinder || preFilter ) {
2414                                 if ( postFinder ) {
2415                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2416                                         temp = [];
2417                                         i = matcherOut.length;
2418                                         while ( i-- ) {
2419                                                 if ( (elem = matcherOut[i]) ) {
2420                                                         // Restore matcherIn since elem is not yet a final match
2421                                                         temp.push( (matcherIn[i] = elem) );
2422                                                 }
2423                                         }
2424                                         postFinder( null, (matcherOut = []), temp, xml );
2425                                 }
2426
2427                                 // Move matched elements from seed to results to keep them synchronized
2428                                 i = matcherOut.length;
2429                                 while ( i-- ) {
2430                                         if ( (elem = matcherOut[i]) &&
2431                                                 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2432
2433                                                 seed[temp] = !(results[temp] = elem);
2434                                         }
2435                                 }
2436                         }
2437
2438                 // Add elements to results, through postFinder if defined
2439                 } else {
2440                         matcherOut = condense(
2441                                 matcherOut === results ?
2442                                         matcherOut.splice( preexisting, matcherOut.length ) :
2443                                         matcherOut
2444                         );
2445                         if ( postFinder ) {
2446                                 postFinder( null, results, matcherOut, xml );
2447                         } else {
2448                                 push.apply( results, matcherOut );
2449                         }
2450                 }
2451         });
2452 }
2453
2454 function matcherFromTokens( tokens ) {
2455         var checkContext, matcher, j,
2456                 len = tokens.length,
2457                 leadingRelative = Expr.relative[ tokens[0].type ],
2458                 implicitRelative = leadingRelative || Expr.relative[" "],
2459                 i = leadingRelative ? 1 : 0,
2460
2461                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2462                 matchContext = addCombinator( function( elem ) {
2463                         return elem === checkContext;
2464                 }, implicitRelative, true ),
2465                 matchAnyContext = addCombinator( function( elem ) {
2466                         return indexOf( checkContext, elem ) > -1;
2467                 }, implicitRelative, true ),
2468                 matchers = [ function( elem, context, xml ) {
2469                         var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2470                                 (checkContext = context).nodeType ?
2471                                         matchContext( elem, context, xml ) :
2472                                         matchAnyContext( elem, context, xml ) );
2473                         // Avoid hanging onto element (issue #299)
2474                         checkContext = null;
2475                         return ret;
2476                 } ];
2477
2478         for ( ; i < len; i++ ) {
2479                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2480                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2481                 } else {
2482                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2483
2484                         // Return special upon seeing a positional matcher
2485                         if ( matcher[ expando ] ) {
2486                                 // Find the next relative operator (if any) for proper handling
2487                                 j = ++i;
2488                                 for ( ; j < len; j++ ) {
2489                                         if ( Expr.relative[ tokens[j].type ] ) {
2490                                                 break;
2491                                         }
2492                                 }
2493                                 return setMatcher(
2494                                         i > 1 && elementMatcher( matchers ),
2495                                         i > 1 && toSelector(
2496                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2497                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2498                                         ).replace( rtrim, "$1" ),
2499                                         matcher,
2500                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2501                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2502                                         j < len && toSelector( tokens )
2503                                 );
2504                         }
2505                         matchers.push( matcher );
2506                 }
2507         }
2508
2509         return elementMatcher( matchers );
2510 }
2511
2512 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2513         var bySet = setMatchers.length > 0,
2514                 byElement = elementMatchers.length > 0,
2515                 superMatcher = function( seed, context, xml, results, outermost ) {
2516                         var elem, j, matcher,
2517                                 matchedCount = 0,
2518                                 i = "0",
2519                                 unmatched = seed && [],
2520                                 setMatched = [],
2521                                 contextBackup = outermostContext,
2522                                 // We must always have either seed elements or outermost context
2523                                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2524                                 // Use integer dirruns iff this is the outermost matcher
2525                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2526                                 len = elems.length;
2527
2528                         if ( outermost ) {
2529                                 outermostContext = context === document || context || outermost;
2530                         }
2531
2532                         // Add elements passing elementMatchers directly to results
2533                         // Support: IE<9, Safari
2534                         // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2535                         for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2536                                 if ( byElement && elem ) {
2537                                         j = 0;
2538                                         if ( !context && elem.ownerDocument !== document ) {
2539                                                 setDocument( elem );
2540                                                 xml = !documentIsHTML;
2541                                         }
2542                                         while ( (matcher = elementMatchers[j++]) ) {
2543                                                 if ( matcher( elem, context || document, xml) ) {
2544                                                         results.push( elem );
2545                                                         break;
2546                                                 }
2547                                         }
2548                                         if ( outermost ) {
2549                                                 dirruns = dirrunsUnique;
2550                                         }
2551                                 }
2552
2553                                 // Track unmatched elements for set filters
2554                                 if ( bySet ) {
2555                                         // They will have gone through all possible matchers
2556                                         if ( (elem = !matcher && elem) ) {
2557                                                 matchedCount--;
2558                                         }
2559
2560                                         // Lengthen the array for every element, matched or not
2561                                         if ( seed ) {
2562                                                 unmatched.push( elem );
2563                                         }
2564                                 }
2565                         }
2566
2567                         // `i` is now the count of elements visited above, and adding it to `matchedCount`
2568                         // makes the latter nonnegative.
2569                         matchedCount += i;
2570
2571                         // Apply set filters to unmatched elements
2572                         // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2573                         // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2574                         // no element matchers and no seed.
2575                         // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2576                         // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2577                         // numerically zero.
2578                         if ( bySet && i !== matchedCount ) {
2579                                 j = 0;
2580                                 while ( (matcher = setMatchers[j++]) ) {
2581                                         matcher( unmatched, setMatched, context, xml );
2582                                 }
2583
2584                                 if ( seed ) {
2585                                         // Reintegrate element matches to eliminate the need for sorting
2586                                         if ( matchedCount > 0 ) {
2587                                                 while ( i-- ) {
2588                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2589                                                                 setMatched[i] = pop.call( results );
2590                                                         }
2591                                                 }
2592                                         }
2593
2594                                         // Discard index placeholder values to get only actual matches
2595                                         setMatched = condense( setMatched );
2596                                 }
2597
2598                                 // Add matches to results
2599                                 push.apply( results, setMatched );
2600
2601                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2602                                 if ( outermost && !seed && setMatched.length > 0 &&
2603                                         ( matchedCount + setMatchers.length ) > 1 ) {
2604
2605                                         Sizzle.uniqueSort( results );
2606                                 }
2607                         }
2608
2609                         // Override manipulation of globals by nested matchers
2610                         if ( outermost ) {
2611                                 dirruns = dirrunsUnique;
2612                                 outermostContext = contextBackup;
2613                         }
2614
2615                         return unmatched;
2616                 };
2617
2618         return bySet ?
2619                 markFunction( superMatcher ) :
2620                 superMatcher;
2621 }
2622
2623 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2624         var i,
2625                 setMatchers = [],
2626                 elementMatchers = [],
2627                 cached = compilerCache[ selector + " " ];
2628
2629         if ( !cached ) {
2630                 // Generate a function of recursive functions that can be used to check each element
2631                 if ( !match ) {
2632                         match = tokenize( selector );
2633                 }
2634                 i = match.length;
2635                 while ( i-- ) {
2636                         cached = matcherFromTokens( match[i] );
2637                         if ( cached[ expando ] ) {
2638                                 setMatchers.push( cached );
2639                         } else {
2640                                 elementMatchers.push( cached );
2641                         }
2642                 }
2643
2644                 // Cache the compiled function
2645                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2646
2647                 // Save selector and tokenization
2648                 cached.selector = selector;
2649         }
2650         return cached;
2651 };
2652
2653 /**
2654  * A low-level selection function that works with Sizzle's compiled
2655  *  selector functions
2656  * @param {String|Function} selector A selector or a pre-compiled
2657  *  selector function built with Sizzle.compile
2658  * @param {Element} context
2659  * @param {Array} [results]
2660  * @param {Array} [seed] A set of elements to match against
2661  */
2662 select = Sizzle.select = function( selector, context, results, seed ) {
2663         var i, tokens, token, type, find,
2664                 compiled = typeof selector === "function" && selector,
2665                 match = !seed && tokenize( (selector = compiled.selector || selector) );
2666
2667         results = results || [];
2668
2669         // Try to minimize operations if there is only one selector in the list and no seed
2670         // (the latter of which guarantees us context)
2671         if ( match.length === 1 ) {
2672
2673                 // Reduce context if the leading compound selector is an ID
2674                 tokens = match[0] = match[0].slice( 0 );
2675                 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2676                                 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2677
2678                         context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2679                         if ( !context ) {
2680                                 return results;
2681
2682                         // Precompiled matchers will still verify ancestry, so step up a level
2683                         } else if ( compiled ) {
2684                                 context = context.parentNode;
2685                         }
2686
2687                         selector = selector.slice( tokens.shift().value.length );
2688                 }
2689
2690                 // Fetch a seed set for right-to-left matching
2691                 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2692                 while ( i-- ) {
2693                         token = tokens[i];
2694
2695                         // Abort if we hit a combinator
2696                         if ( Expr.relative[ (type = token.type) ] ) {
2697                                 break;
2698                         }
2699                         if ( (find = Expr.find[ type ]) ) {
2700                                 // Search, expanding context for leading sibling combinators
2701                                 if ( (seed = find(
2702                                         token.matches[0].replace( runescape, funescape ),
2703                                         rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2704                                 )) ) {
2705
2706                                         // If seed is empty or no tokens remain, we can return early
2707                                         tokens.splice( i, 1 );
2708                                         selector = seed.length && toSelector( tokens );
2709                                         if ( !selector ) {
2710                                                 push.apply( results, seed );
2711                                                 return results;
2712                                         }
2713
2714                                         break;
2715                                 }
2716                         }
2717                 }
2718         }
2719
2720         // Compile and execute a filtering function if one is not provided
2721         // Provide `match` to avoid retokenization if we modified the selector above
2722         ( compiled || compile( selector, match ) )(
2723                 seed,
2724                 context,
2725                 !documentIsHTML,
2726                 results,
2727                 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2728         );
2729         return results;
2730 };
2731
2732 // One-time assignments
2733
2734 // Sort stability
2735 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2736
2737 // Support: Chrome 14-35+
2738 // Always assume duplicates if they aren't passed to the comparison function
2739 support.detectDuplicates = !!hasDuplicate;
2740
2741 // Initialize against the default document
2742 setDocument();
2743
2744 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2745 // Detached nodes confoundingly follow *each other*
2746 support.sortDetached = assert(function( el ) {
2747         // Should return 1, but returns 4 (following)
2748         return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2749 });
2750
2751 // Support: IE<8
2752 // Prevent attribute/property "interpolation"
2753 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2754 if ( !assert(function( el ) {
2755         el.innerHTML = "<a href='#'></a>";
2756         return el.firstChild.getAttribute("href") === "#" ;
2757 }) ) {
2758         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2759                 if ( !isXML ) {
2760                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2761                 }
2762         });
2763 }
2764
2765 // Support: IE<9
2766 // Use defaultValue in place of getAttribute("value")
2767 if ( !support.attributes || !assert(function( el ) {
2768         el.innerHTML = "<input/>";
2769         el.firstChild.setAttribute( "value", "" );
2770         return el.firstChild.getAttribute( "value" ) === "";
2771 }) ) {
2772         addHandle( "value", function( elem, name, isXML ) {
2773                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2774                         return elem.defaultValue;
2775                 }
2776         });
2777 }
2778
2779 // Support: IE<9
2780 // Use getAttributeNode to fetch booleans when getAttribute lies
2781 if ( !assert(function( el ) {
2782         return el.getAttribute("disabled") == null;
2783 }) ) {
2784         addHandle( booleans, function( elem, name, isXML ) {
2785                 var val;
2786                 if ( !isXML ) {
2787                         return elem[ name ] === true ? name.toLowerCase() :
2788                                         (val = elem.getAttributeNode( name )) && val.specified ?
2789                                         val.value :
2790                                 null;
2791                 }
2792         });
2793 }
2794
2795 return Sizzle;
2796
2797 })( window );
2798
2799
2800
2801 jQuery.find = Sizzle;
2802 jQuery.expr = Sizzle.selectors;
2803
2804 // Deprecated
2805 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2806 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2807 jQuery.text = Sizzle.getText;
2808 jQuery.isXMLDoc = Sizzle.isXML;
2809 jQuery.contains = Sizzle.contains;
2810 jQuery.escapeSelector = Sizzle.escape;
2811
2812
2813
2814
2815 var dir = function( elem, dir, until ) {
2816         var matched = [],
2817                 truncate = until !== undefined;
2818
2819         while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2820                 if ( elem.nodeType === 1 ) {
2821                         if ( truncate && jQuery( elem ).is( until ) ) {
2822                                 break;
2823                         }
2824                         matched.push( elem );
2825                 }
2826         }
2827         return matched;
2828 };
2829
2830
2831 var siblings = function( n, elem ) {
2832         var matched = [];
2833
2834         for ( ; n; n = n.nextSibling ) {
2835                 if ( n.nodeType === 1 && n !== elem ) {
2836                         matched.push( n );
2837                 }
2838         }
2839
2840         return matched;
2841 };
2842
2843
2844 var rneedsContext = jQuery.expr.match.needsContext;
2845
2846 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2847
2848
2849
2850 var risSimple = /^.[^:#\[\.,]*$/;
2851
2852 // Implement the identical functionality for filter and not
2853 function winnow( elements, qualifier, not ) {
2854         if ( jQuery.isFunction( qualifier ) ) {
2855                 return jQuery.grep( elements, function( elem, i ) {
2856                         return !!qualifier.call( elem, i, elem ) !== not;
2857                 } );
2858         }
2859
2860         // Single element
2861         if ( qualifier.nodeType ) {
2862                 return jQuery.grep( elements, function( elem ) {
2863                         return ( elem === qualifier ) !== not;
2864                 } );
2865         }
2866
2867         // Arraylike of elements (jQuery, arguments, Array)
2868         if ( typeof qualifier !== "string" ) {
2869                 return jQuery.grep( elements, function( elem ) {
2870                         return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2871                 } );
2872         }
2873
2874         // Simple selector that can be filtered directly, removing non-Elements
2875         if ( risSimple.test( qualifier ) ) {
2876                 return jQuery.filter( qualifier, elements, not );
2877         }
2878
2879         // Complex selector, compare the two sets, removing non-Elements
2880         qualifier = jQuery.filter( qualifier, elements );
2881         return jQuery.grep( elements, function( elem ) {
2882                 return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
2883         } );
2884 }
2885
2886 jQuery.filter = function( expr, elems, not ) {
2887         var elem = elems[ 0 ];
2888
2889         if ( not ) {
2890                 expr = ":not(" + expr + ")";
2891         }
2892
2893         if ( elems.length === 1 && elem.nodeType === 1 ) {
2894                 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2895         }
2896
2897         return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2898                 return elem.nodeType === 1;
2899         } ) );
2900 };
2901
2902 jQuery.fn.extend( {
2903         find: function( selector ) {
2904                 var i, ret,
2905                         len = this.length,
2906                         self = this;
2907
2908                 if ( typeof selector !== "string" ) {
2909                         return this.pushStack( jQuery( selector ).filter( function() {
2910                                 for ( i = 0; i < len; i++ ) {
2911                                         if ( jQuery.contains( self[ i ], this ) ) {
2912                                                 return true;
2913                                         }
2914                                 }
2915                         } ) );
2916                 }
2917
2918                 ret = this.pushStack( [] );
2919
2920                 for ( i = 0; i < len; i++ ) {
2921                         jQuery.find( selector, self[ i ], ret );
2922                 }
2923
2924                 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2925         },
2926         filter: function( selector ) {
2927                 return this.pushStack( winnow( this, selector || [], false ) );
2928         },
2929         not: function( selector ) {
2930                 return this.pushStack( winnow( this, selector || [], true ) );
2931         },
2932         is: function( selector ) {
2933                 return !!winnow(
2934                         this,
2935
2936                         // If this is a positional/relative selector, check membership in the returned set
2937                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
2938                         typeof selector === "string" && rneedsContext.test( selector ) ?
2939                                 jQuery( selector ) :
2940                                 selector || [],
2941                         false
2942                 ).length;
2943         }
2944 } );
2945
2946
2947 // Initialize a jQuery object
2948
2949
2950 // A central reference to the root jQuery(document)
2951 var rootjQuery,
2952
2953         // A simple way to check for HTML strings
2954         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2955         // Strict HTML recognition (#11290: must start with <)
2956         // Shortcut simple #id case for speed
2957         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2958
2959         init = jQuery.fn.init = function( selector, context, root ) {
2960                 var match, elem;
2961
2962                 // HANDLE: $(""), $(null), $(undefined), $(false)
2963                 if ( !selector ) {
2964                         return this;
2965                 }
2966
2967                 // Method init() accepts an alternate rootjQuery
2968                 // so migrate can support jQuery.sub (gh-2101)
2969                 root = root || rootjQuery;
2970
2971                 // Handle HTML strings
2972                 if ( typeof selector === "string" ) {
2973                         if ( selector[ 0 ] === "<" &&
2974                                 selector[ selector.length - 1 ] === ">" &&
2975                                 selector.length >= 3 ) {
2976
2977                                 // Assume that strings that start and end with <> are HTML and skip the regex check
2978                                 match = [ null, selector, null ];
2979
2980                         } else {
2981                                 match = rquickExpr.exec( selector );
2982                         }
2983
2984                         // Match html or make sure no context is specified for #id
2985                         if ( match && ( match[ 1 ] || !context ) ) {
2986
2987                                 // HANDLE: $(html) -> $(array)
2988                                 if ( match[ 1 ] ) {
2989                                         context = context instanceof jQuery ? context[ 0 ] : context;
2990
2991                                         // Option to run scripts is true for back-compat
2992                                         // Intentionally let the error be thrown if parseHTML is not present
2993                                         jQuery.merge( this, jQuery.parseHTML(
2994                                                 match[ 1 ],
2995                                                 context && context.nodeType ? context.ownerDocument || context : document,
2996                                                 true
2997                                         ) );
2998
2999                                         // HANDLE: $(html, props)
3000                                         if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
3001                                                 for ( match in context ) {
3002
3003                                                         // Properties of context are called as methods if possible
3004                                                         if ( jQuery.isFunction( this[ match ] ) ) {
3005                                                                 this[ match ]( context[ match ] );
3006
3007                                                         // ...and otherwise set as attributes
3008                                                         } else {
3009                                                                 this.attr( match, context[ match ] );
3010                                                         }
3011                                                 }
3012                                         }
3013
3014                                         return this;
3015
3016                                 // HANDLE: $(#id)
3017                                 } else {
3018                                         elem = document.getElementById( match[ 2 ] );
3019
3020                                         if ( elem ) {
3021
3022                                                 // Inject the element directly into the jQuery object
3023                                                 this[ 0 ] = elem;
3024                                                 this.length = 1;
3025                                         }
3026                                         return this;
3027                                 }
3028
3029                         // HANDLE: $(expr, $(...))
3030                         } else if ( !context || context.jquery ) {
3031                                 return ( context || root ).find( selector );
3032
3033                         // HANDLE: $(expr, context)
3034                         // (which is just equivalent to: $(context).find(expr)
3035                         } else {
3036                                 return this.constructor( context ).find( selector );
3037                         }
3038
3039                 // HANDLE: $(DOMElement)
3040                 } else if ( selector.nodeType ) {
3041                         this[ 0 ] = selector;
3042                         this.length = 1;
3043                         return this;
3044
3045                 // HANDLE: $(function)
3046                 // Shortcut for document ready
3047                 } else if ( jQuery.isFunction( selector ) ) {
3048                         return root.ready !== undefined ?
3049                                 root.ready( selector ) :
3050
3051                                 // Execute immediately if ready is not present
3052                                 selector( jQuery );
3053                 }
3054
3055                 return jQuery.makeArray( selector, this );
3056         };
3057
3058 // Give the init function the jQuery prototype for later instantiation
3059 init.prototype = jQuery.fn;
3060
3061 // Initialize central reference
3062 rootjQuery = jQuery( document );
3063
3064
3065 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3066
3067         // Methods guaranteed to produce a unique set when starting from a unique set
3068         guaranteedUnique = {
3069                 children: true,
3070                 contents: true,
3071                 next: true,
3072                 prev: true
3073         };
3074
3075 jQuery.fn.extend( {
3076         has: function( target ) {
3077                 var targets = jQuery( target, this ),
3078                         l = targets.length;
3079
3080                 return this.filter( function() {
3081                         var i = 0;
3082                         for ( ; i < l; i++ ) {
3083                                 if ( jQuery.contains( this, targets[ i ] ) ) {
3084                                         return true;
3085                                 }
3086                         }
3087                 } );
3088         },
3089
3090         closest: function( selectors, context ) {
3091                 var cur,
3092                         i = 0,
3093                         l = this.length,
3094                         matched = [],
3095                         targets = typeof selectors !== "string" && jQuery( selectors );
3096
3097                 // Positional selectors never match, since there's no _selection_ context
3098                 if ( !rneedsContext.test( selectors ) ) {
3099                         for ( ; i < l; i++ ) {
3100                                 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3101
3102                                         // Always skip document fragments
3103                                         if ( cur.nodeType < 11 && ( targets ?
3104                                                 targets.index( cur ) > -1 :
3105
3106                                                 // Don't pass non-elements to Sizzle
3107                                                 cur.nodeType === 1 &&
3108                                                         jQuery.find.matchesSelector( cur, selectors ) ) ) {
3109
3110                                                 matched.push( cur );
3111                                                 break;
3112                                         }
3113                                 }
3114                         }
3115                 }
3116
3117                 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3118         },
3119
3120         // Determine the position of an element within the set
3121         index: function( elem ) {
3122
3123                 // No argument, return index in parent
3124                 if ( !elem ) {
3125                         return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3126                 }
3127
3128                 // Index in selector
3129                 if ( typeof elem === "string" ) {
3130                         return indexOf.call( jQuery( elem ), this[ 0 ] );
3131                 }
3132
3133                 // Locate the position of the desired element
3134                 return indexOf.call( this,
3135
3136                         // If it receives a jQuery object, the first element is used
3137                         elem.jquery ? elem[ 0 ] : elem
3138                 );
3139         },
3140
3141         add: function( selector, context ) {
3142                 return this.pushStack(
3143                         jQuery.uniqueSort(
3144                                 jQuery.merge( this.get(), jQuery( selector, context ) )
3145                         )
3146                 );
3147         },
3148
3149         addBack: function( selector ) {
3150                 return this.add( selector == null ?
3151                         this.prevObject : this.prevObject.filter( selector )
3152                 );
3153         }
3154 } );
3155
3156 function sibling( cur, dir ) {
3157         while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3158         return cur;
3159 }
3160
3161 jQuery.each( {
3162         parent: function( elem ) {
3163                 var parent = elem.parentNode;
3164                 return parent && parent.nodeType !== 11 ? parent : null;
3165         },
3166         parents: function( elem ) {
3167                 return dir( elem, "parentNode" );
3168         },
3169         parentsUntil: function( elem, i, until ) {
3170                 return dir( elem, "parentNode", until );
3171         },
3172         next: function( elem ) {
3173                 return sibling( elem, "nextSibling" );
3174         },
3175         prev: function( elem ) {
3176                 return sibling( elem, "previousSibling" );
3177         },
3178         nextAll: function( elem ) {
3179                 return dir( elem, "nextSibling" );
3180         },
3181         prevAll: function( elem ) {
3182                 return dir( elem, "previousSibling" );
3183         },
3184         nextUntil: function( elem, i, until ) {
3185                 return dir( elem, "nextSibling", until );
3186         },
3187         prevUntil: function( elem, i, until ) {
3188                 return dir( elem, "previousSibling", until );
3189         },
3190         siblings: function( elem ) {
3191                 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3192         },
3193         children: function( elem ) {
3194                 return siblings( elem.firstChild );
3195         },
3196         contents: function( elem ) {
3197                 return elem.contentDocument || jQuery.merge( [], elem.childNodes );
3198         }
3199 }, function( name, fn ) {
3200         jQuery.fn[ name ] = function( until, selector ) {
3201                 var matched = jQuery.map( this, fn, until );
3202
3203                 if ( name.slice( -5 ) !== "Until" ) {
3204                         selector = until;
3205                 }
3206
3207                 if ( selector && typeof selector === "string" ) {
3208                         matched = jQuery.filter( selector, matched );
3209                 }
3210
3211                 if ( this.length > 1 ) {
3212
3213                         // Remove duplicates
3214                         if ( !guaranteedUnique[ name ] ) {
3215                                 jQuery.uniqueSort( matched );
3216                         }
3217
3218                         // Reverse order for parents* and prev-derivatives
3219                         if ( rparentsprev.test( name ) ) {
3220                                 matched.reverse();
3221                         }
3222                 }
3223
3224                 return this.pushStack( matched );
3225         };
3226 } );
3227 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3228
3229
3230
3231 // Convert String-formatted options into Object-formatted ones
3232 function createOptions( options ) {
3233         var object = {};
3234         jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3235                 object[ flag ] = true;
3236         } );
3237         return object;
3238 }
3239
3240 /*
3241  * Create a callback list using the following parameters:
3242  *
3243  *      options: an optional list of space-separated options that will change how
3244  *                      the callback list behaves or a more traditional option object
3245  *
3246  * By default a callback list will act like an event callback list and can be
3247  * "fired" multiple times.
3248  *
3249  * Possible options:
3250  *
3251  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3252  *
3253  *      memory:                 will keep track of previous values and will call any callback added
3254  *                                      after the list has been fired right away with the latest "memorized"
3255  *                                      values (like a Deferred)
3256  *
3257  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3258  *
3259  *      stopOnFalse:    interrupt callings when a callback returns false
3260  *
3261  */
3262 jQuery.Callbacks = function( options ) {
3263
3264         // Convert options from String-formatted to Object-formatted if needed
3265         // (we check in cache first)
3266         options = typeof options === "string" ?
3267                 createOptions( options ) :
3268                 jQuery.extend( {}, options );
3269
3270         var // Flag to know if list is currently firing
3271                 firing,
3272
3273                 // Last fire value for non-forgettable lists
3274                 memory,
3275
3276                 // Flag to know if list was already fired
3277                 fired,
3278
3279                 // Flag to prevent firing
3280                 locked,
3281
3282                 // Actual callback list
3283                 list = [],
3284
3285                 // Queue of execution data for repeatable lists
3286                 queue = [],
3287
3288                 // Index of currently firing callback (modified by add/remove as needed)
3289                 firingIndex = -1,
3290
3291                 // Fire callbacks
3292                 fire = function() {
3293
3294                         // Enforce single-firing
3295                         locked = options.once;
3296
3297                         // Execute callbacks for all pending executions,
3298                         // respecting firingIndex overrides and runtime changes
3299                         fired = firing = true;
3300                         for ( ; queue.length; firingIndex = -1 ) {
3301                                 memory = queue.shift();
3302                                 while ( ++firingIndex < list.length ) {
3303
3304                                         // Run callback and check for early termination
3305                                         if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3306                                                 options.stopOnFalse ) {
3307
3308                                                 // Jump to end and forget the data so .add doesn't re-fire
3309                                                 firingIndex = list.length;
3310                                                 memory = false;
3311                                         }
3312                                 }
3313                         }
3314
3315                         // Forget the data if we're done with it
3316                         if ( !options.memory ) {
3317                                 memory = false;
3318                         }
3319
3320                         firing = false;
3321
3322                         // Clean up if we're done firing for good
3323                         if ( locked ) {
3324
3325                                 // Keep an empty list if we have data for future add calls
3326                                 if ( memory ) {
3327                                         list = [];
3328
3329                                 // Otherwise, this object is spent
3330                                 } else {
3331                                         list = "";
3332                                 }
3333                         }
3334                 },
3335
3336                 // Actual Callbacks object
3337                 self = {
3338
3339                         // Add a callback or a collection of callbacks to the list
3340                         add: function() {
3341                                 if ( list ) {
3342
3343                                         // If we have memory from a past run, we should fire after adding
3344                                         if ( memory && !firing ) {
3345                                                 firingIndex = list.length - 1;
3346                                                 queue.push( memory );
3347                                         }
3348
3349                                         ( function add( args ) {
3350                                                 jQuery.each( args, function( _, arg ) {
3351                                                         if ( jQuery.isFunction( arg ) ) {
3352                                                                 if ( !options.unique || !self.has( arg ) ) {
3353                                                                         list.push( arg );
3354                                                                 }
3355                                                         } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
3356
3357                                                                 // Inspect recursively
3358                                                                 add( arg );
3359                                                         }
3360                                                 } );
3361                                         } )( arguments );
3362
3363                                         if ( memory && !firing ) {
3364                                                 fire();
3365                                         }
3366                                 }
3367                                 return this;
3368                         },
3369
3370                         // Remove a callback from the list
3371                         remove: function() {
3372                                 jQuery.each( arguments, function( _, arg ) {
3373                                         var index;
3374                                         while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3375                                                 list.splice( index, 1 );
3376
3377                                                 // Handle firing indexes
3378                                                 if ( index <= firingIndex ) {
3379                                                         firingIndex--;
3380                                                 }
3381                                         }
3382                                 } );
3383                                 return this;
3384                         },
3385
3386                         // Check if a given callback is in the list.
3387                         // If no argument is given, return whether or not list has callbacks attached.
3388                         has: function( fn ) {
3389                                 return fn ?
3390                                         jQuery.inArray( fn, list ) > -1 :
3391                                         list.length > 0;
3392                         },
3393
3394                         // Remove all callbacks from the list
3395                         empty: function() {
3396                                 if ( list ) {
3397                                         list = [];
3398                                 }
3399                                 return this;
3400                         },
3401
3402                         // Disable .fire and .add
3403                         // Abort any current/pending executions
3404                         // Clear all callbacks and values
3405                         disable: function() {
3406                                 locked = queue = [];
3407                                 list = memory = "";
3408                                 return this;
3409                         },
3410                         disabled: function() {
3411                                 return !list;
3412                         },
3413
3414                         // Disable .fire
3415                         // Also disable .add unless we have memory (since it would have no effect)
3416                         // Abort any pending executions
3417                         lock: function() {
3418                                 locked = queue = [];
3419                                 if ( !memory && !firing ) {
3420                                         list = memory = "";
3421                                 }
3422                                 return this;
3423                         },
3424                         locked: function() {
3425                                 return !!locked;
3426                         },
3427
3428                         // Call all callbacks with the given context and arguments
3429                         fireWith: function( context, args ) {
3430                                 if ( !locked ) {
3431                                         args = args || [];
3432                                         args = [ context, args.slice ? args.slice() : args ];
3433                                         queue.push( args );
3434                                         if ( !firing ) {
3435                                                 fire();
3436                                         }
3437                                 }
3438                                 return this;
3439                         },
3440
3441                         // Call all the callbacks with the given arguments
3442                         fire: function() {
3443                                 self.fireWith( this, arguments );
3444                                 return this;
3445                         },
3446
3447                         // To know if the callbacks have already been called at least once
3448                         fired: function() {
3449                                 return !!fired;
3450                         }
3451                 };
3452
3453         return self;
3454 };
3455
3456
3457 function Identity( v ) {
3458         return v;
3459 }
3460 function Thrower( ex ) {
3461         throw ex;
3462 }
3463
3464 function adoptValue( value, resolve, reject ) {
3465         var method;
3466
3467         try {
3468
3469                 // Check for promise aspect first to privilege synchronous behavior
3470                 if ( value && jQuery.isFunction( ( method = value.promise ) ) ) {
3471                         method.call( value ).done( resolve ).fail( reject );
3472
3473                 // Other thenables
3474                 } else if ( value && jQuery.isFunction( ( method = value.then ) ) ) {
3475                         method.call( value, resolve, reject );
3476
3477                 // Other non-thenables
3478                 } else {
3479
3480                         // Support: Android 4.0 only
3481                         // Strict mode functions invoked without .call/.apply get global-object context
3482                         resolve.call( undefined, value );
3483                 }
3484
3485         // For Promises/A+, convert exceptions into rejections
3486         // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3487         // Deferred#then to conditionally suppress rejection.
3488         } catch ( value ) {
3489
3490                 // Support: Android 4.0 only
3491                 // Strict mode functions invoked without .call/.apply get global-object context
3492                 reject.call( undefined, value );
3493         }
3494 }
3495
3496 jQuery.extend( {
3497
3498         Deferred: function( func ) {
3499                 var tuples = [
3500
3501                                 // action, add listener, callbacks,
3502                                 // ... .then handlers, argument index, [final state]
3503                                 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3504                                         jQuery.Callbacks( "memory" ), 2 ],
3505                                 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3506                                         jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3507                                 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3508                                         jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3509                         ],
3510                         state = "pending",
3511                         promise = {
3512                                 state: function() {
3513                                         return state;
3514                                 },
3515                                 always: function() {
3516                                         deferred.done( arguments ).fail( arguments );
3517                                         return this;
3518                                 },
3519                                 "catch": function( fn ) {
3520                                         return promise.then( null, fn );
3521                                 },
3522
3523                                 // Keep pipe for back-compat
3524                                 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3525                                         var fns = arguments;
3526
3527                                         return jQuery.Deferred( function( newDefer ) {
3528                                                 jQuery.each( tuples, function( i, tuple ) {
3529
3530                                                         // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3531                                                         var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3532
3533                                                         // deferred.progress(function() { bind to newDefer or newDefer.notify })
3534                                                         // deferred.done(function() { bind to newDefer or newDefer.resolve })
3535                                                         // deferred.fail(function() { bind to newDefer or newDefer.reject })
3536                                                         deferred[ tuple[ 1 ] ]( function() {
3537                                                                 var returned = fn && fn.apply( this, arguments );
3538                                                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
3539                                                                         returned.promise()
3540                                                                                 .progress( newDefer.notify )
3541                                                                                 .done( newDefer.resolve )
3542                                                                                 .fail( newDefer.reject );
3543                                                                 } else {
3544                                                                         newDefer[ tuple[ 0 ] + "With" ](
3545                                                                                 this,
3546                                                                                 fn ? [ returned ] : arguments
3547                                                                         );
3548                                                                 }
3549                                                         } );
3550                                                 } );
3551                                                 fns = null;
3552                                         } ).promise();
3553                                 },
3554                                 then: function( onFulfilled, onRejected, onProgress ) {
3555                                         var maxDepth = 0;
3556                                         function resolve( depth, deferred, handler, special ) {
3557                                                 return function() {
3558                                                         var that = this,
3559                                                                 args = arguments,
3560                                                                 mightThrow = function() {
3561                                                                         var returned, then;
3562
3563                                                                         // Support: Promises/A+ section 2.3.3.3.3
3564                                                                         // https://promisesaplus.com/#point-59
3565                                                                         // Ignore double-resolution attempts
3566                                                                         if ( depth < maxDepth ) {
3567                                                                                 return;
3568                                                                         }
3569
3570                                                                         returned = handler.apply( that, args );
3571
3572                                                                         // Support: Promises/A+ section 2.3.1
3573                                                                         // https://promisesaplus.com/#point-48
3574                                                                         if ( returned === deferred.promise() ) {
3575                                                                                 throw new TypeError( "Thenable self-resolution" );
3576                                                                         }
3577
3578                                                                         // Support: Promises/A+ sections 2.3.3.1, 3.5
3579                                                                         // https://promisesaplus.com/#point-54
3580                                                                         // https://promisesaplus.com/#point-75
3581                                                                         // Retrieve `then` only once
3582                                                                         then = returned &&
3583
3584                                                                                 // Support: Promises/A+ section 2.3.4
3585                                                                                 // https://promisesaplus.com/#point-64
3586                                                                                 // Only check objects and functions for thenability
3587                                                                                 ( typeof returned === "object" ||
3588                                                                                         typeof returned === "function" ) &&
3589                                                                                 returned.then;
3590
3591                                                                         // Handle a returned thenable
3592                                                                         if ( jQuery.isFunction( then ) ) {
3593
3594                                                                                 // Special processors (notify) just wait for resolution
3595                                                                                 if ( special ) {
3596                                                                                         then.call(
3597                                                                                                 returned,
3598                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3599                                                                                                 resolve( maxDepth, deferred, Thrower, special )
3600                                                                                         );
3601
3602                                                                                 // Normal processors (resolve) also hook into progress
3603                                                                                 } else {
3604
3605                                                                                         // ...and disregard older resolution values
3606                                                                                         maxDepth++;
3607
3608                                                                                         then.call(
3609                                                                                                 returned,
3610                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3611                                                                                                 resolve( maxDepth, deferred, Thrower, special ),
3612                                                                                                 resolve( maxDepth, deferred, Identity,
3613                                                                                                         deferred.notifyWith )
3614                                                                                         );
3615                                                                                 }
3616
3617                                                                         // Handle all other returned values
3618                                                                         } else {
3619
3620                                                                                 // Only substitute handlers pass on context
3621                                                                                 // and multiple values (non-spec behavior)
3622                                                                                 if ( handler !== Identity ) {
3623                                                                                         that = undefined;
3624                                                                                         args = [ returned ];
3625                                                                                 }
3626
3627                                                                                 // Process the value(s)
3628                                                                                 // Default process is resolve
3629                                                                                 ( special || deferred.resolveWith )( that, args );
3630                                                                         }
3631                                                                 },
3632
3633                                                                 // Only normal processors (resolve) catch and reject exceptions
3634                                                                 process = special ?
3635                                                                         mightThrow :
3636                                                                         function() {
3637                                                                                 try {
3638                                                                                         mightThrow();
3639                                                                                 } catch ( e ) {
3640
3641                                                                                         if ( jQuery.Deferred.exceptionHook ) {
3642                                                                                                 jQuery.Deferred.exceptionHook( e,
3643                                                                                                         process.stackTrace );
3644                                                                                         }
3645
3646                                                                                         // Support: Promises/A+ section 2.3.3.3.4.1
3647                                                                                         // https://promisesaplus.com/#point-61
3648                                                                                         // Ignore post-resolution exceptions
3649                                                                                         if ( depth + 1 >= maxDepth ) {
3650
3651                                                                                                 // Only substitute handlers pass on context
3652                                                                                                 // and multiple values (non-spec behavior)
3653                                                                                                 if ( handler !== Thrower ) {
3654                                                                                                         that = undefined;
3655                                                                                                         args = [ e ];
3656                                                                                                 }
3657
3658                                                                                                 deferred.rejectWith( that, args );
3659                                                                                         }
3660                                                                                 }
3661                                                                         };
3662
3663                                                         // Support: Promises/A+ section 2.3.3.3.1
3664                                                         // https://promisesaplus.com/#point-57
3665                                                         // Re-resolve promises immediately to dodge false rejection from
3666                                                         // subsequent errors
3667                                                         if ( depth ) {
3668                                                                 process();
3669                                                         } else {
3670
3671                                                                 // Call an optional hook to record the stack, in case of exception
3672                                                                 // since it's otherwise lost when execution goes async
3673                                                                 if ( jQuery.Deferred.getStackHook ) {
3674                                                                         process.stackTrace = jQuery.Deferred.getStackHook();
3675                                                                 }
3676                                                                 window.setTimeout( process );
3677                                                         }
3678                                                 };
3679                                         }
3680
3681                                         return jQuery.Deferred( function( newDefer ) {
3682
3683                                                 // progress_handlers.add( ... )
3684                                                 tuples[ 0 ][ 3 ].add(
3685                                                         resolve(
3686                                                                 0,
3687                                                                 newDefer,
3688                                                                 jQuery.isFunction( onProgress ) ?
3689                                                                         onProgress :
3690                                                                         Identity,
3691                                                                 newDefer.notifyWith
3692                                                         )
3693                                                 );
3694
3695                                                 // fulfilled_handlers.add( ... )
3696                                                 tuples[ 1 ][ 3 ].add(
3697                                                         resolve(
3698                                                                 0,
3699                                                                 newDefer,
3700                                                                 jQuery.isFunction( onFulfilled ) ?
3701                                                                         onFulfilled :
3702                                                                         Identity
3703                                                         )
3704                                                 );
3705
3706                                                 // rejected_handlers.add( ... )
3707                                                 tuples[ 2 ][ 3 ].add(
3708                                                         resolve(
3709                                                                 0,
3710                                                                 newDefer,
3711                                                                 jQuery.isFunction( onRejected ) ?
3712                                                                         onRejected :
3713                                                                         Thrower
3714                                                         )
3715                                                 );
3716                                         } ).promise();
3717                                 },
3718
3719                                 // Get a promise for this deferred
3720                                 // If obj is provided, the promise aspect is added to the object
3721                                 promise: function( obj ) {
3722                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3723                                 }
3724                         },
3725                         deferred = {};
3726
3727                 // Add list-specific methods
3728                 jQuery.each( tuples, function( i, tuple ) {
3729                         var list = tuple[ 2 ],
3730                                 stateString = tuple[ 5 ];
3731
3732                         // promise.progress = list.add
3733                         // promise.done = list.add
3734                         // promise.fail = list.add
3735                         promise[ tuple[ 1 ] ] = list.add;
3736
3737                         // Handle state
3738                         if ( stateString ) {
3739                                 list.add(
3740                                         function() {
3741
3742                                                 // state = "resolved" (i.e., fulfilled)
3743                                                 // state = "rejected"
3744                                                 state = stateString;
3745                                         },
3746
3747                                         // rejected_callbacks.disable
3748                                         // fulfilled_callbacks.disable
3749                                         tuples[ 3 - i ][ 2 ].disable,
3750
3751                                         // progress_callbacks.lock
3752                                         tuples[ 0 ][ 2 ].lock
3753                                 );
3754                         }
3755
3756                         // progress_handlers.fire
3757                         // fulfilled_handlers.fire
3758                         // rejected_handlers.fire
3759                         list.add( tuple[ 3 ].fire );
3760
3761                         // deferred.notify = function() { deferred.notifyWith(...) }
3762                         // deferred.resolve = function() { deferred.resolveWith(...) }
3763                         // deferred.reject = function() { deferred.rejectWith(...) }
3764                         deferred[ tuple[ 0 ] ] = function() {
3765                                 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3766                                 return this;
3767                         };
3768
3769                         // deferred.notifyWith = list.fireWith
3770                         // deferred.resolveWith = list.fireWith
3771                         // deferred.rejectWith = list.fireWith
3772                         deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3773                 } );
3774
3775                 // Make the deferred a promise
3776                 promise.promise( deferred );
3777
3778                 // Call given func if any
3779                 if ( func ) {
3780                         func.call( deferred, deferred );
3781                 }
3782
3783                 // All done!
3784                 return deferred;
3785         },
3786
3787         // Deferred helper
3788         when: function( singleValue ) {
3789                 var
3790
3791                         // count of uncompleted subordinates
3792                         remaining = arguments.length,
3793
3794                         // count of unprocessed arguments
3795                         i = remaining,
3796
3797                         // subordinate fulfillment data
3798                         resolveContexts = Array( i ),
3799                         resolveValues = slice.call( arguments ),
3800
3801                         // the master Deferred
3802                         master = jQuery.Deferred(),
3803
3804                         // subordinate callback factory
3805                         updateFunc = function( i ) {
3806                                 return function( value ) {
3807                                         resolveContexts[ i ] = this;
3808                                         resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3809                                         if ( !( --remaining ) ) {
3810                                                 master.resolveWith( resolveContexts, resolveValues );
3811                                         }
3812                                 };
3813                         };
3814
3815                 // Single- and empty arguments are adopted like Promise.resolve
3816                 if ( remaining <= 1 ) {
3817                         adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject );
3818
3819                         // Use .then() to unwrap secondary thenables (cf. gh-3000)
3820                         if ( master.state() === "pending" ||
3821                                 jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3822
3823                                 return master.then();
3824                         }
3825                 }
3826
3827                 // Multiple arguments are aggregated like Promise.all array elements
3828                 while ( i-- ) {
3829                         adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3830                 }
3831
3832                 return master.promise();
3833         }
3834 } );
3835
3836
3837 // These usually indicate a programmer mistake during development,
3838 // warn about them ASAP rather than swallowing them by default.
3839 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3840
3841 jQuery.Deferred.exceptionHook = function( error, stack ) {
3842
3843         // Support: IE 8 - 9 only
3844         // Console exists when dev tools are open, which can happen at any time
3845         if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3846                 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3847         }
3848 };
3849
3850
3851
3852
3853 jQuery.readyException = function( error ) {
3854         window.setTimeout( function() {
3855                 throw error;
3856         } );
3857 };
3858
3859
3860
3861
3862 // The deferred used on DOM ready
3863 var readyList = jQuery.Deferred();
3864
3865 jQuery.fn.ready = function( fn ) {
3866
3867         readyList
3868                 .then( fn )
3869
3870                 // Wrap jQuery.readyException in a function so that the lookup
3871                 // happens at the time of error handling instead of callback
3872                 // registration.
3873                 .catch( function( error ) {
3874                         jQuery.readyException( error );
3875                 } );
3876
3877         return this;
3878 };
3879
3880 jQuery.extend( {
3881
3882         // Is the DOM ready to be used? Set to true once it occurs.
3883         isReady: false,
3884
3885         // A counter to track how many items to wait for before
3886         // the ready event fires. See #6781
3887         readyWait: 1,
3888
3889         // Hold (or release) the ready event
3890         holdReady: function( hold ) {
3891                 if ( hold ) {
3892                         jQuery.readyWait++;
3893                 } else {
3894                         jQuery.ready( true );
3895                 }
3896         },
3897
3898         // Handle when the DOM is ready
3899         ready: function( wait ) {
3900
3901                 // Abort if there are pending holds or we're already ready
3902                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3903                         return;
3904                 }
3905
3906                 // Remember that the DOM is ready
3907                 jQuery.isReady = true;
3908
3909                 // If a normal DOM Ready event fired, decrement, and wait if need be
3910                 if ( wait !== true && --jQuery.readyWait > 0 ) {
3911                         return;
3912                 }
3913
3914                 // If there are functions bound, to execute
3915                 readyList.resolveWith( document, [ jQuery ] );
3916         }
3917 } );
3918
3919 jQuery.ready.then = readyList.then;
3920
3921 // The ready event handler and self cleanup method
3922 function completed() {
3923         document.removeEventListener( "DOMContentLoaded", completed );
3924         window.removeEventListener( "load", completed );
3925         jQuery.ready();
3926 }
3927
3928 // Catch cases where $(document).ready() is called
3929 // after the browser event has already occurred.
3930 // Support: IE <=9 - 10 only
3931 // Older IE sometimes signals "interactive" too soon
3932 if ( document.readyState === "complete" ||
3933         ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3934
3935         // Handle it asynchronously to allow scripts the opportunity to delay ready
3936         window.setTimeout( jQuery.ready );
3937
3938 } else {
3939
3940         // Use the handy event callback
3941         document.addEventListener( "DOMContentLoaded", completed );
3942
3943         // A fallback to window.onload, that will always work
3944         window.addEventListener( "load", completed );
3945 }
3946
3947
3948
3949
3950 // Multifunctional method to get and set values of a collection
3951 // The value/s can optionally be executed if it's a function
3952 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3953         var i = 0,
3954                 len = elems.length,
3955                 bulk = key == null;
3956
3957         // Sets many values
3958         if ( jQuery.type( key ) === "object" ) {
3959                 chainable = true;
3960                 for ( i in key ) {
3961                         access( elems, fn, i, key[ i ], true, emptyGet, raw );
3962                 }
3963
3964         // Sets one value
3965         } else if ( value !== undefined ) {
3966                 chainable = true;
3967
3968                 if ( !jQuery.isFunction( value ) ) {
3969                         raw = true;
3970                 }
3971
3972                 if ( bulk ) {
3973
3974                         // Bulk operations run against the entire set
3975                         if ( raw ) {
3976                                 fn.call( elems, value );
3977                                 fn = null;
3978
3979                         // ...except when executing function values
3980                         } else {
3981                                 bulk = fn;
3982                                 fn = function( elem, key, value ) {
3983                                         return bulk.call( jQuery( elem ), value );
3984                                 };
3985                         }
3986                 }
3987
3988                 if ( fn ) {
3989                         for ( ; i < len; i++ ) {
3990                                 fn(
3991                                         elems[ i ], key, raw ?
3992                                         value :
3993                                         value.call( elems[ i ], i, fn( elems[ i ], key ) )
3994                                 );
3995                         }
3996                 }
3997         }
3998
3999         if ( chainable ) {
4000                 return elems;
4001         }
4002
4003         // Gets
4004         if ( bulk ) {
4005                 return fn.call( elems );
4006         }
4007
4008         return len ? fn( elems[ 0 ], key ) : emptyGet;
4009 };
4010 var acceptData = function( owner ) {
4011
4012         // Accepts only:
4013         //  - Node
4014         //    - Node.ELEMENT_NODE
4015         //    - Node.DOCUMENT_NODE
4016         //  - Object
4017         //    - Any
4018         return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4019 };
4020
4021
4022
4023
4024 function Data() {
4025         this.expando = jQuery.expando + Data.uid++;
4026 }
4027
4028 Data.uid = 1;
4029
4030 Data.prototype = {
4031
4032         cache: function( owner ) {
4033
4034                 // Check if the owner object already has a cache
4035                 var value = owner[ this.expando ];
4036
4037                 // If not, create one
4038                 if ( !value ) {
4039                         value = {};
4040
4041                         // We can accept data for non-element nodes in modern browsers,
4042                         // but we should not, see #8335.
4043                         // Always return an empty object.
4044                         if ( acceptData( owner ) ) {
4045
4046                                 // If it is a node unlikely to be stringify-ed or looped over
4047                                 // use plain assignment
4048                                 if ( owner.nodeType ) {
4049                                         owner[ this.expando ] = value;
4050
4051                                 // Otherwise secure it in a non-enumerable property
4052                                 // configurable must be true to allow the property to be
4053                                 // deleted when data is removed
4054                                 } else {
4055                                         Object.defineProperty( owner, this.expando, {
4056                                                 value: value,
4057                                                 configurable: true
4058                                         } );
4059                                 }
4060                         }
4061                 }
4062
4063                 return value;
4064         },
4065         set: function( owner, data, value ) {
4066                 var prop,
4067                         cache = this.cache( owner );
4068
4069                 // Handle: [ owner, key, value ] args
4070                 // Always use camelCase key (gh-2257)
4071                 if ( typeof data === "string" ) {
4072                         cache[ jQuery.camelCase( data ) ] = value;
4073
4074                 // Handle: [ owner, { properties } ] args
4075                 } else {
4076
4077                         // Copy the properties one-by-one to the cache object
4078                         for ( prop in data ) {
4079                                 cache[ jQuery.camelCase( prop ) ] = data[ prop ];
4080                         }
4081                 }
4082                 return cache;
4083         },
4084         get: function( owner, key ) {
4085                 return key === undefined ?
4086                         this.cache( owner ) :
4087
4088                         // Always use camelCase key (gh-2257)
4089                         owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ];
4090         },
4091         access: function( owner, key, value ) {
4092
4093                 // In cases where either:
4094                 //
4095                 //   1. No key was specified
4096                 //   2. A string key was specified, but no value provided
4097                 //
4098                 // Take the "read" path and allow the get method to determine
4099                 // which value to return, respectively either:
4100                 //
4101                 //   1. The entire cache object
4102                 //   2. The data stored at the key
4103                 //
4104                 if ( key === undefined ||
4105                                 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4106
4107                         return this.get( owner, key );
4108                 }
4109
4110                 // When the key is not a string, or both a key and value
4111                 // are specified, set or extend (existing objects) with either:
4112                 //
4113                 //   1. An object of properties
4114                 //   2. A key and value
4115                 //
4116                 this.set( owner, key, value );
4117
4118                 // Since the "set" path can have two possible entry points
4119                 // return the expected data based on which path was taken[*]
4120                 return value !== undefined ? value : key;
4121         },
4122         remove: function( owner, key ) {
4123                 var i,
4124                         cache = owner[ this.expando ];
4125
4126                 if ( cache === undefined ) {
4127                         return;
4128                 }
4129
4130                 if ( key !== undefined ) {
4131
4132                         // Support array or space separated string of keys
4133                         if ( jQuery.isArray( key ) ) {
4134
4135                                 // If key is an array of keys...
4136                                 // We always set camelCase keys, so remove that.
4137                                 key = key.map( jQuery.camelCase );
4138                         } else {
4139                                 key = jQuery.camelCase( key );
4140
4141                                 // If a key with the spaces exists, use it.
4142                                 // Otherwise, create an array by matching non-whitespace
4143                                 key = key in cache ?
4144                                         [ key ] :
4145                                         ( key.match( rnothtmlwhite ) || [] );
4146                         }
4147
4148                         i = key.length;
4149
4150                         while ( i-- ) {
4151                                 delete cache[ key[ i ] ];
4152                         }
4153                 }
4154
4155                 // Remove the expando if there's no more data
4156                 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4157
4158                         // Support: Chrome <=35 - 45
4159                         // Webkit & Blink performance suffers when deleting properties
4160                         // from DOM nodes, so set to undefined instead
4161                         // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4162                         if ( owner.nodeType ) {
4163                                 owner[ this.expando ] = undefined;
4164                         } else {
4165                                 delete owner[ this.expando ];
4166                         }
4167                 }
4168         },
4169         hasData: function( owner ) {
4170                 var cache = owner[ this.expando ];
4171                 return cache !== undefined && !jQuery.isEmptyObject( cache );
4172         }
4173 };
4174 var dataPriv = new Data();
4175
4176 var dataUser = new Data();
4177
4178
4179
4180 //      Implementation Summary
4181 //
4182 //      1. Enforce API surface and semantic compatibility with 1.9.x branch
4183 //      2. Improve the module's maintainability by reducing the storage
4184 //              paths to a single mechanism.
4185 //      3. Use the same single mechanism to support "private" and "user" data.
4186 //      4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4187 //      5. Avoid exposing implementation details on user objects (eg. expando properties)
4188 //      6. Provide a clear path for implementation upgrade to WeakMap in 2014
4189
4190 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4191         rmultiDash = /[A-Z]/g;
4192
4193 function getData( data ) {
4194         if ( data === "true" ) {
4195                 return true;
4196         }
4197
4198         if ( data === "false" ) {
4199                 return false;
4200         }
4201
4202         if ( data === "null" ) {
4203                 return null;
4204         }
4205
4206         // Only convert to a number if it doesn't change the string
4207         if ( data === +data + "" ) {
4208                 return +data;
4209         }
4210
4211         if ( rbrace.test( data ) ) {
4212                 return JSON.parse( data );
4213         }
4214
4215         return data;
4216 }
4217
4218 function dataAttr( elem, key, data ) {
4219         var name;
4220
4221         // If nothing was found internally, try to fetch any
4222         // data from the HTML5 data-* attribute
4223         if ( data === undefined && elem.nodeType === 1 ) {
4224                 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4225                 data = elem.getAttribute( name );
4226
4227                 if ( typeof data === "string" ) {
4228                         try {
4229                                 data = getData( data );
4230                         } catch ( e ) {}
4231
4232                         // Make sure we set the data so it isn't changed later
4233                         dataUser.set( elem, key, data );
4234                 } else {
4235                         data = undefined;
4236                 }
4237         }
4238         return data;
4239 }
4240
4241 jQuery.extend( {
4242         hasData: function( elem ) {
4243                 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4244         },
4245
4246         data: function( elem, name, data ) {
4247                 return dataUser.access( elem, name, data );
4248         },
4249
4250         removeData: function( elem, name ) {
4251                 dataUser.remove( elem, name );
4252         },
4253
4254         // TODO: Now that all calls to _data and _removeData have been replaced
4255         // with direct calls to dataPriv methods, these can be deprecated.
4256         _data: function( elem, name, data ) {
4257                 return dataPriv.access( elem, name, data );
4258         },
4259
4260         _removeData: function( elem, name ) {
4261                 dataPriv.remove( elem, name );
4262         }
4263 } );
4264
4265 jQuery.fn.extend( {
4266         data: function( key, value ) {
4267                 var i, name, data,
4268                         elem = this[ 0 ],
4269                         attrs = elem && elem.attributes;
4270
4271                 // Gets all values
4272                 if ( key === undefined ) {
4273                         if ( this.length ) {
4274                                 data = dataUser.get( elem );
4275
4276                                 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4277                                         i = attrs.length;
4278                                         while ( i-- ) {
4279
4280                                                 // Support: IE 11 only
4281                                                 // The attrs elements can be null (#14894)
4282                                                 if ( attrs[ i ] ) {
4283                                                         name = attrs[ i ].name;
4284                                                         if ( name.indexOf( "data-" ) === 0 ) {
4285                                                                 name = jQuery.camelCase( name.slice( 5 ) );
4286                                                                 dataAttr( elem, name, data[ name ] );
4287                                                         }
4288                                                 }
4289                                         }
4290                                         dataPriv.set( elem, "hasDataAttrs", true );
4291                                 }
4292                         }
4293
4294                         return data;
4295                 }
4296
4297                 // Sets multiple values
4298                 if ( typeof key === "object" ) {
4299                         return this.each( function() {
4300                                 dataUser.set( this, key );
4301                         } );
4302                 }
4303
4304                 return access( this, function( value ) {
4305                         var data;
4306
4307                         // The calling jQuery object (element matches) is not empty
4308                         // (and therefore has an element appears at this[ 0 ]) and the
4309                         // `value` parameter was not undefined. An empty jQuery object
4310                         // will result in `undefined` for elem = this[ 0 ] which will
4311                         // throw an exception if an attempt to read a data cache is made.
4312                         if ( elem && value === undefined ) {
4313
4314                                 // Attempt to get data from the cache
4315                                 // The key will always be camelCased in Data
4316                                 data = dataUser.get( elem, key );
4317                                 if ( data !== undefined ) {
4318                                         return data;
4319                                 }
4320
4321                                 // Attempt to "discover" the data in
4322                                 // HTML5 custom data-* attrs
4323                                 data = dataAttr( elem, key );
4324                                 if ( data !== undefined ) {
4325                                         return data;
4326                                 }
4327
4328                                 // We tried really hard, but the data doesn't exist.
4329                                 return;
4330                         }
4331
4332                         // Set the data...
4333                         this.each( function() {
4334
4335                                 // We always store the camelCased key
4336                                 dataUser.set( this, key, value );
4337                         } );
4338                 }, null, value, arguments.length > 1, null, true );
4339         },
4340
4341         removeData: function( key ) {
4342                 return this.each( function() {
4343                         dataUser.remove( this, key );
4344                 } );
4345         }
4346 } );
4347
4348
4349 jQuery.extend( {
4350         queue: function( elem, type, data ) {
4351                 var queue;
4352
4353                 if ( elem ) {
4354                         type = ( type || "fx" ) + "queue";
4355                         queue = dataPriv.get( elem, type );
4356
4357                         // Speed up dequeue by getting out quickly if this is just a lookup
4358                         if ( data ) {
4359                                 if ( !queue || jQuery.isArray( data ) ) {
4360                                         queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4361                                 } else {
4362                                         queue.push( data );
4363                                 }
4364                         }
4365                         return queue || [];
4366                 }
4367         },
4368
4369         dequeue: function( elem, type ) {
4370                 type = type || "fx";
4371
4372                 var queue = jQuery.queue( elem, type ),
4373                         startLength = queue.length,
4374                         fn = queue.shift(),
4375                         hooks = jQuery._queueHooks( elem, type ),
4376                         next = function() {
4377                                 jQuery.dequeue( elem, type );
4378                         };
4379
4380                 // If the fx queue is dequeued, always remove the progress sentinel
4381                 if ( fn === "inprogress" ) {
4382                         fn = queue.shift();
4383                         startLength--;
4384                 }
4385
4386                 if ( fn ) {
4387
4388                         // Add a progress sentinel to prevent the fx queue from being
4389                         // automatically dequeued
4390                         if ( type === "fx" ) {
4391                                 queue.unshift( "inprogress" );
4392                         }
4393
4394                         // Clear up the last queue stop function
4395                         delete hooks.stop;
4396                         fn.call( elem, next, hooks );
4397                 }
4398
4399                 if ( !startLength && hooks ) {
4400                         hooks.empty.fire();
4401                 }
4402         },
4403
4404         // Not public - generate a queueHooks object, or return the current one
4405         _queueHooks: function( elem, type ) {
4406                 var key = type + "queueHooks";
4407                 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4408                         empty: jQuery.Callbacks( "once memory" ).add( function() {
4409                                 dataPriv.remove( elem, [ type + "queue", key ] );
4410                         } )
4411                 } );
4412         }
4413 } );
4414
4415 jQuery.fn.extend( {
4416         queue: function( type, data ) {
4417                 var setter = 2;
4418
4419                 if ( typeof type !== "string" ) {
4420                         data = type;
4421                         type = "fx";
4422                         setter--;
4423                 }
4424
4425                 if ( arguments.length < setter ) {
4426                         return jQuery.queue( this[ 0 ], type );
4427                 }
4428
4429                 return data === undefined ?
4430                         this :
4431                         this.each( function() {
4432                                 var queue = jQuery.queue( this, type, data );
4433
4434                                 // Ensure a hooks for this queue
4435                                 jQuery._queueHooks( this, type );
4436
4437                                 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4438                                         jQuery.dequeue( this, type );
4439                                 }
4440                         } );
4441         },
4442         dequeue: function( type ) {
4443                 return this.each( function() {
4444                         jQuery.dequeue( this, type );
4445                 } );
4446         },
4447         clearQueue: function( type ) {
4448                 return this.queue( type || "fx", [] );
4449         },
4450
4451         // Get a promise resolved when queues of a certain type
4452         // are emptied (fx is the type by default)
4453         promise: function( type, obj ) {
4454                 var tmp,
4455                         count = 1,
4456                         defer = jQuery.Deferred(),
4457                         elements = this,
4458                         i = this.length,
4459                         resolve = function() {
4460                                 if ( !( --count ) ) {
4461                                         defer.resolveWith( elements, [ elements ] );
4462                                 }
4463                         };
4464
4465                 if ( typeof type !== "string" ) {
4466                         obj = type;
4467                         type = undefined;
4468                 }
4469                 type = type || "fx";
4470
4471                 while ( i-- ) {
4472                         tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4473                         if ( tmp && tmp.empty ) {
4474                                 count++;
4475                                 tmp.empty.add( resolve );
4476                         }
4477                 }
4478                 resolve();
4479                 return defer.promise( obj );
4480         }
4481 } );
4482 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4483
4484 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4485
4486
4487 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4488
4489 var isHiddenWithinTree = function( elem, el ) {
4490
4491                 // isHiddenWithinTree might be called from jQuery#filter function;
4492                 // in that case, element will be second argument
4493                 elem = el || elem;
4494
4495                 // Inline style trumps all
4496                 return elem.style.display === "none" ||
4497                         elem.style.display === "" &&
4498
4499                         // Otherwise, check computed style
4500                         // Support: Firefox <=43 - 45
4501                         // Disconnected elements can have computed display: none, so first confirm that elem is
4502                         // in the document.
4503                         jQuery.contains( elem.ownerDocument, elem ) &&
4504
4505                         jQuery.css( elem, "display" ) === "none";
4506         };
4507
4508 var swap = function( elem, options, callback, args ) {
4509         var ret, name,
4510                 old = {};
4511
4512         // Remember the old values, and insert the new ones
4513         for ( name in options ) {
4514                 old[ name ] = elem.style[ name ];
4515                 elem.style[ name ] = options[ name ];
4516         }
4517
4518         ret = callback.apply( elem, args || [] );
4519
4520         // Revert the old values
4521         for ( name in options ) {
4522                 elem.style[ name ] = old[ name ];
4523         }
4524
4525         return ret;
4526 };
4527
4528
4529
4530
4531 function adjustCSS( elem, prop, valueParts, tween ) {
4532         var adjusted,
4533                 scale = 1,
4534                 maxIterations = 20,
4535                 currentValue = tween ?
4536                         function() {
4537                                 return tween.cur();
4538                         } :
4539                         function() {
4540                                 return jQuery.css( elem, prop, "" );
4541                         },
4542                 initial = currentValue(),
4543                 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4544
4545                 // Starting value computation is required for potential unit mismatches
4546                 initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4547                         rcssNum.exec( jQuery.css( elem, prop ) );
4548
4549         if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4550
4551                 // Trust units reported by jQuery.css
4552                 unit = unit || initialInUnit[ 3 ];
4553
4554                 // Make sure we update the tween properties later on
4555                 valueParts = valueParts || [];
4556
4557                 // Iteratively approximate from a nonzero starting point
4558                 initialInUnit = +initial || 1;
4559
4560                 do {
4561
4562                         // If previous iteration zeroed out, double until we get *something*.
4563                         // Use string for doubling so we don't accidentally see scale as unchanged below
4564                         scale = scale || ".5";
4565
4566                         // Adjust and apply
4567                         initialInUnit = initialInUnit / scale;
4568                         jQuery.style( elem, prop, initialInUnit + unit );
4569
4570                 // Update scale, tolerating zero or NaN from tween.cur()
4571                 // Break the loop if scale is unchanged or perfect, or if we've just had enough.
4572                 } while (
4573                         scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
4574                 );
4575         }
4576
4577         if ( valueParts ) {
4578                 initialInUnit = +initialInUnit || +initial || 0;
4579
4580                 // Apply relative offset (+=/-=) if specified
4581                 adjusted = valueParts[ 1 ] ?
4582                         initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4583                         +valueParts[ 2 ];
4584                 if ( tween ) {
4585                         tween.unit = unit;
4586                         tween.start = initialInUnit;
4587                         tween.end = adjusted;
4588                 }
4589         }
4590         return adjusted;
4591 }
4592
4593
4594 var defaultDisplayMap = {};
4595
4596 function getDefaultDisplay( elem ) {
4597         var temp,
4598                 doc = elem.ownerDocument,
4599                 nodeName = elem.nodeName,
4600                 display = defaultDisplayMap[ nodeName ];
4601
4602         if ( display ) {
4603                 return display;
4604         }
4605
4606         temp = doc.body.appendChild( doc.createElement( nodeName ) );
4607         display = jQuery.css( temp, "display" );
4608
4609         temp.parentNode.removeChild( temp );
4610
4611         if ( display === "none" ) {
4612                 display = "block";
4613         }
4614         defaultDisplayMap[ nodeName ] = display;
4615
4616         return display;
4617 }
4618
4619 function showHide( elements, show ) {
4620         var display, elem,
4621                 values = [],
4622                 index = 0,
4623                 length = elements.length;
4624
4625         // Determine new display value for elements that need to change
4626         for ( ; index < length; index++ ) {
4627                 elem = elements[ index ];
4628                 if ( !elem.style ) {
4629                         continue;
4630                 }
4631
4632                 display = elem.style.display;
4633                 if ( show ) {
4634
4635                         // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4636                         // check is required in this first loop unless we have a nonempty display value (either
4637                         // inline or about-to-be-restored)
4638                         if ( display === "none" ) {
4639                                 values[ index ] = dataPriv.get( elem, "display" ) || null;
4640                                 if ( !values[ index ] ) {
4641                                         elem.style.display = "";
4642                                 }
4643                         }
4644                         if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4645                                 values[ index ] = getDefaultDisplay( elem );
4646                         }
4647                 } else {
4648                         if ( display !== "none" ) {
4649                                 values[ index ] = "none";
4650
4651                                 // Remember what we're overwriting
4652                                 dataPriv.set( elem, "display", display );
4653                         }
4654                 }
4655         }
4656
4657         // Set the display of the elements in a second loop to avoid constant reflow
4658         for ( index = 0; index < length; index++ ) {
4659                 if ( values[ index ] != null ) {
4660                         elements[ index ].style.display = values[ index ];
4661                 }
4662         }
4663
4664         return elements;
4665 }
4666
4667 jQuery.fn.extend( {
4668         show: function() {
4669                 return showHide( this, true );
4670         },
4671         hide: function() {
4672                 return showHide( this );
4673         },
4674         toggle: function( state ) {
4675                 if ( typeof state === "boolean" ) {
4676                         return state ? this.show() : this.hide();
4677                 }
4678
4679                 return this.each( function() {
4680                         if ( isHiddenWithinTree( this ) ) {
4681                                 jQuery( this ).show();
4682                         } else {
4683                                 jQuery( this ).hide();
4684                         }
4685                 } );
4686         }
4687 } );
4688 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4689
4690 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
4691
4692 var rscriptType = ( /^$|\/(?:java|ecma)script/i );
4693
4694
4695
4696 // We have to close these tags to support XHTML (#13200)
4697 var wrapMap = {
4698
4699         // Support: IE <=9 only
4700         option: [ 1, "<select multiple='multiple'>", "</select>" ],
4701
4702         // XHTML parsers do not magically insert elements in the
4703         // same way that tag soup parsers do. So we cannot shorten
4704         // this by omitting <tbody> or other required elements.
4705         thead: [ 1, "<table>", "</table>" ],
4706         col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4707         tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4708         td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4709
4710         _default: [ 0, "", "" ]
4711 };
4712
4713 // Support: IE <=9 only
4714 wrapMap.optgroup = wrapMap.option;
4715
4716 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4717 wrapMap.th = wrapMap.td;
4718
4719
4720 function getAll( context, tag ) {
4721
4722         // Support: IE <=9 - 11 only
4723         // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4724         var ret;
4725
4726         if ( typeof context.getElementsByTagName !== "undefined" ) {
4727                 ret = context.getElementsByTagName( tag || "*" );
4728
4729         } else if ( typeof context.querySelectorAll !== "undefined" ) {
4730                 ret = context.querySelectorAll( tag || "*" );
4731
4732         } else {
4733                 ret = [];
4734         }
4735
4736         if ( tag === undefined || tag && jQuery.nodeName( context, tag ) ) {
4737                 return jQuery.merge( [ context ], ret );
4738         }
4739
4740         return ret;
4741 }
4742
4743
4744 // Mark scripts as having already been evaluated
4745 function setGlobalEval( elems, refElements ) {
4746         var i = 0,
4747                 l = elems.length;
4748
4749         for ( ; i < l; i++ ) {
4750                 dataPriv.set(
4751                         elems[ i ],
4752                         "globalEval",
4753                         !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4754                 );
4755         }
4756 }
4757
4758
4759 var rhtml = /<|&#?\w+;/;
4760
4761 function buildFragment( elems, context, scripts, selection, ignored ) {
4762         var elem, tmp, tag, wrap, contains, j,
4763                 fragment = context.createDocumentFragment(),
4764                 nodes = [],
4765                 i = 0,
4766                 l = elems.length;
4767
4768         for ( ; i < l; i++ ) {
4769                 elem = elems[ i ];
4770
4771                 if ( elem || elem === 0 ) {
4772
4773                         // Add nodes directly
4774                         if ( jQuery.type( elem ) === "object" ) {
4775
4776                                 // Support: Android <=4.0 only, PhantomJS 1 only
4777                                 // push.apply(_, arraylike) throws on ancient WebKit
4778                                 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4779
4780                         // Convert non-html into a text node
4781                         } else if ( !rhtml.test( elem ) ) {
4782                                 nodes.push( context.createTextNode( elem ) );
4783
4784                         // Convert html into DOM nodes
4785                         } else {
4786                                 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4787
4788                                 // Deserialize a standard representation
4789                                 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4790                                 wrap = wrapMap[ tag ] || wrapMap._default;
4791                                 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4792
4793                                 // Descend through wrappers to the right content
4794                                 j = wrap[ 0 ];
4795                                 while ( j-- ) {
4796                                         tmp = tmp.lastChild;
4797                                 }
4798
4799                                 // Support: Android <=4.0 only, PhantomJS 1 only
4800                                 // push.apply(_, arraylike) throws on ancient WebKit
4801                                 jQuery.merge( nodes, tmp.childNodes );
4802
4803                                 // Remember the top-level container
4804                                 tmp = fragment.firstChild;
4805
4806                                 // Ensure the created nodes are orphaned (#12392)
4807                                 tmp.textContent = "";
4808                         }
4809                 }
4810         }
4811
4812         // Remove wrapper from fragment
4813         fragment.textContent = "";
4814
4815         i = 0;
4816         while ( ( elem = nodes[ i++ ] ) ) {
4817
4818                 // Skip elements already in the context collection (trac-4087)
4819                 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4820                         if ( ignored ) {
4821                                 ignored.push( elem );
4822                         }
4823                         continue;
4824                 }
4825
4826                 contains = jQuery.contains( elem.ownerDocument, elem );
4827
4828                 // Append to fragment
4829                 tmp = getAll( fragment.appendChild( elem ), "script" );
4830
4831                 // Preserve script evaluation history
4832                 if ( contains ) {
4833                         setGlobalEval( tmp );
4834                 }
4835
4836                 // Capture executables
4837                 if ( scripts ) {
4838                         j = 0;
4839                         while ( ( elem = tmp[ j++ ] ) ) {
4840                                 if ( rscriptType.test( elem.type || "" ) ) {
4841                                         scripts.push( elem );
4842                                 }
4843                         }
4844                 }
4845         }
4846
4847         return fragment;
4848 }
4849
4850
4851 ( function() {
4852         var fragment = document.createDocumentFragment(),
4853                 div = fragment.appendChild( document.createElement( "div" ) ),
4854                 input = document.createElement( "input" );
4855
4856         // Support: Android 4.0 - 4.3 only
4857         // Check state lost if the name is set (#11217)
4858         // Support: Windows Web Apps (WWA)
4859         // `name` and `type` must use .setAttribute for WWA (#14901)
4860         input.setAttribute( "type", "radio" );
4861         input.setAttribute( "checked", "checked" );
4862         input.setAttribute( "name", "t" );
4863
4864         div.appendChild( input );
4865
4866         // Support: Android <=4.1 only
4867         // Older WebKit doesn't clone checked state correctly in fragments
4868         support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4869
4870         // Support: IE <=11 only
4871         // Make sure textarea (and checkbox) defaultValue is properly cloned
4872         div.innerHTML = "<textarea>x</textarea>";
4873         support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4874 } )();
4875 var documentElement = document.documentElement;
4876
4877
4878
4879 var
4880         rkeyEvent = /^key/,
4881         rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4882         rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4883
4884 function returnTrue() {
4885         return true;
4886 }
4887
4888 function returnFalse() {
4889         return false;
4890 }
4891
4892 // Support: IE <=9 only
4893 // See #13393 for more info
4894 function safeActiveElement() {
4895         try {
4896                 return document.activeElement;
4897         } catch ( err ) { }
4898 }
4899
4900 function on( elem, types, selector, data, fn, one ) {
4901         var origFn, type;
4902
4903         // Types can be a map of types/handlers
4904         if ( typeof types === "object" ) {
4905
4906                 // ( types-Object, selector, data )
4907                 if ( typeof selector !== "string" ) {
4908
4909                         // ( types-Object, data )
4910                         data = data || selector;
4911                         selector = undefined;
4912                 }
4913                 for ( type in types ) {
4914                         on( elem, type, selector, data, types[ type ], one );
4915                 }
4916                 return elem;
4917         }
4918
4919         if ( data == null && fn == null ) {
4920
4921                 // ( types, fn )
4922                 fn = selector;
4923                 data = selector = undefined;
4924         } else if ( fn == null ) {
4925                 if ( typeof selector === "string" ) {
4926
4927                         // ( types, selector, fn )
4928                         fn = data;
4929                         data = undefined;
4930                 } else {
4931
4932                         // ( types, data, fn )
4933                         fn = data;
4934                         data = selector;
4935                         selector = undefined;
4936                 }
4937         }
4938         if ( fn === false ) {
4939                 fn = returnFalse;
4940         } else if ( !fn ) {
4941                 return elem;
4942         }
4943
4944         if ( one === 1 ) {
4945                 origFn = fn;
4946                 fn = function( event ) {
4947
4948                         // Can use an empty set, since event contains the info
4949                         jQuery().off( event );
4950                         return origFn.apply( this, arguments );
4951                 };
4952
4953                 // Use same guid so caller can remove using origFn
4954                 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4955         }
4956         return elem.each( function() {
4957                 jQuery.event.add( this, types, fn, data, selector );
4958         } );
4959 }
4960
4961 /*
4962  * Helper functions for managing events -- not part of the public interface.
4963  * Props to Dean Edwards' addEvent library for many of the ideas.
4964  */
4965 jQuery.event = {
4966
4967         global: {},
4968
4969         add: function( elem, types, handler, data, selector ) {
4970
4971                 var handleObjIn, eventHandle, tmp,
4972                         events, t, handleObj,
4973                         special, handlers, type, namespaces, origType,
4974                         elemData = dataPriv.get( elem );
4975
4976                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4977                 if ( !elemData ) {
4978                         return;
4979                 }
4980
4981                 // Caller can pass in an object of custom data in lieu of the handler
4982                 if ( handler.handler ) {
4983                         handleObjIn = handler;
4984                         handler = handleObjIn.handler;
4985                         selector = handleObjIn.selector;
4986                 }
4987
4988                 // Ensure that invalid selectors throw exceptions at attach time
4989                 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
4990                 if ( selector ) {
4991                         jQuery.find.matchesSelector( documentElement, selector );
4992                 }
4993
4994                 // Make sure that the handler has a unique ID, used to find/remove it later
4995                 if ( !handler.guid ) {
4996                         handler.guid = jQuery.guid++;
4997                 }
4998
4999                 // Init the element's event structure and main handler, if this is the first
5000                 if ( !( events = elemData.events ) ) {
5001                         events = elemData.events = {};
5002                 }
5003                 if ( !( eventHandle = elemData.handle ) ) {
5004                         eventHandle = elemData.handle = function( e ) {
5005
5006                                 // Discard the second event of a jQuery.event.trigger() and
5007                                 // when an event is called after a page has unloaded
5008                                 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5009                                         jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5010                         };
5011                 }
5012
5013                 // Handle multiple events separated by a space
5014                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5015                 t = types.length;
5016                 while ( t-- ) {
5017                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5018                         type = origType = tmp[ 1 ];
5019                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5020
5021                         // There *must* be a type, no attaching namespace-only handlers
5022                         if ( !type ) {
5023                                 continue;
5024                         }
5025
5026                         // If event changes its type, use the special event handlers for the changed type
5027                         special = jQuery.event.special[ type ] || {};
5028
5029                         // If selector defined, determine special event api type, otherwise given type
5030                         type = ( selector ? special.delegateType : special.bindType ) || type;
5031
5032                         // Update special based on newly reset type
5033                         special = jQuery.event.special[ type ] || {};
5034
5035                         // handleObj is passed to all event handlers
5036                         handleObj = jQuery.extend( {
5037                                 type: type,
5038                                 origType: origType,
5039                                 data: data,
5040                                 handler: handler,
5041                                 guid: handler.guid,
5042                                 selector: selector,
5043                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5044                                 namespace: namespaces.join( "." )
5045                         }, handleObjIn );
5046
5047                         // Init the event handler queue if we're the first
5048                         if ( !( handlers = events[ type ] ) ) {
5049                                 handlers = events[ type ] = [];
5050                                 handlers.delegateCount = 0;
5051
5052                                 // Only use addEventListener if the special events handler returns false
5053                                 if ( !special.setup ||
5054                                         special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5055
5056                                         if ( elem.addEventListener ) {
5057                                                 elem.addEventListener( type, eventHandle );
5058                                         }
5059                                 }
5060                         }
5061
5062                         if ( special.add ) {
5063                                 special.add.call( elem, handleObj );
5064
5065                                 if ( !handleObj.handler.guid ) {
5066                                         handleObj.handler.guid = handler.guid;
5067                                 }
5068                         }
5069
5070                         // Add to the element's handler list, delegates in front
5071                         if ( selector ) {
5072                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
5073                         } else {
5074                                 handlers.push( handleObj );
5075                         }
5076
5077                         // Keep track of which events have ever been used, for event optimization
5078                         jQuery.event.global[ type ] = true;
5079                 }
5080
5081         },
5082
5083         // Detach an event or set of events from an element
5084         remove: function( elem, types, handler, selector, mappedTypes ) {
5085
5086                 var j, origCount, tmp,
5087                         events, t, handleObj,
5088                         special, handlers, type, namespaces, origType,
5089                         elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5090
5091                 if ( !elemData || !( events = elemData.events ) ) {
5092                         return;
5093                 }
5094
5095                 // Once for each type.namespace in types; type may be omitted
5096                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5097                 t = types.length;
5098                 while ( t-- ) {
5099                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5100                         type = origType = tmp[ 1 ];
5101                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5102
5103                         // Unbind all events (on this namespace, if provided) for the element
5104                         if ( !type ) {
5105                                 for ( type in events ) {
5106                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5107                                 }
5108                                 continue;
5109                         }
5110
5111                         special = jQuery.event.special[ type ] || {};
5112                         type = ( selector ? special.delegateType : special.bindType ) || type;
5113                         handlers = events[ type ] || [];
5114                         tmp = tmp[ 2 ] &&
5115                                 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5116
5117                         // Remove matching events
5118                         origCount = j = handlers.length;
5119                         while ( j-- ) {
5120                                 handleObj = handlers[ j ];
5121
5122                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
5123                                         ( !handler || handler.guid === handleObj.guid ) &&
5124                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
5125                                         ( !selector || selector === handleObj.selector ||
5126                                                 selector === "**" && handleObj.selector ) ) {
5127                                         handlers.splice( j, 1 );
5128
5129                                         if ( handleObj.selector ) {
5130                                                 handlers.delegateCount--;
5131                                         }
5132                                         if ( special.remove ) {
5133                                                 special.remove.call( elem, handleObj );
5134                                         }
5135                                 }
5136                         }
5137
5138                         // Remove generic event handler if we removed something and no more handlers exist
5139                         // (avoids potential for endless recursion during removal of special event handlers)
5140                         if ( origCount && !handlers.length ) {
5141                                 if ( !special.teardown ||
5142                                         special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5143
5144                                         jQuery.removeEvent( elem, type, elemData.handle );
5145                                 }
5146
5147                                 delete events[ type ];
5148                         }
5149                 }
5150
5151                 // Remove data and the expando if it's no longer used
5152                 if ( jQuery.isEmptyObject( events ) ) {
5153                         dataPriv.remove( elem, "handle events" );
5154                 }
5155         },
5156
5157         dispatch: function( nativeEvent ) {
5158
5159                 // Make a writable jQuery.Event from the native event object
5160                 var event = jQuery.event.fix( nativeEvent );
5161
5162                 var i, j, ret, matched, handleObj, handlerQueue,
5163                         args = new Array( arguments.length ),
5164                         handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5165                         special = jQuery.event.special[ event.type ] || {};
5166
5167                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5168                 args[ 0 ] = event;
5169
5170                 for ( i = 1; i < arguments.length; i++ ) {
5171                         args[ i ] = arguments[ i ];
5172                 }
5173
5174                 event.delegateTarget = this;
5175
5176                 // Call the preDispatch hook for the mapped type, and let it bail if desired
5177                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5178                         return;
5179                 }
5180
5181                 // Determine handlers
5182                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5183
5184                 // Run delegates first; they may want to stop propagation beneath us
5185                 i = 0;
5186                 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5187                         event.currentTarget = matched.elem;
5188
5189                         j = 0;
5190                         while ( ( handleObj = matched.handlers[ j++ ] ) &&
5191                                 !event.isImmediatePropagationStopped() ) {
5192
5193                                 // Triggered event must either 1) have no namespace, or 2) have namespace(s)
5194                                 // a subset or equal to those in the bound event (both can have no namespace).
5195                                 if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
5196
5197                                         event.handleObj = handleObj;
5198                                         event.data = handleObj.data;
5199
5200                                         ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5201                                                 handleObj.handler ).apply( matched.elem, args );
5202
5203                                         if ( ret !== undefined ) {
5204                                                 if ( ( event.result = ret ) === false ) {
5205                                                         event.preventDefault();
5206                                                         event.stopPropagation();
5207                                                 }
5208                                         }
5209                                 }
5210                         }
5211                 }
5212
5213                 // Call the postDispatch hook for the mapped type
5214                 if ( special.postDispatch ) {
5215                         special.postDispatch.call( this, event );
5216                 }
5217
5218                 return event.result;
5219         },
5220
5221         handlers: function( event, handlers ) {
5222                 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5223                         handlerQueue = [],
5224                         delegateCount = handlers.delegateCount,
5225                         cur = event.target;
5226
5227                 // Find delegate handlers
5228                 if ( delegateCount &&
5229
5230                         // Support: IE <=9
5231                         // Black-hole SVG <use> instance trees (trac-13180)
5232                         cur.nodeType &&
5233
5234                         // Support: Firefox <=42
5235                         // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5236                         // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5237                         // Support: IE 11 only
5238                         // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5239                         !( event.type === "click" && event.button >= 1 ) ) {
5240
5241                         for ( ; cur !== this; cur = cur.parentNode || this ) {
5242
5243                                 // Don't check non-elements (#13208)
5244                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5245                                 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5246                                         matchedHandlers = [];
5247                                         matchedSelectors = {};
5248                                         for ( i = 0; i < delegateCount; i++ ) {
5249                                                 handleObj = handlers[ i ];
5250
5251                                                 // Don't conflict with Object.prototype properties (#13203)
5252                                                 sel = handleObj.selector + " ";
5253
5254                                                 if ( matchedSelectors[ sel ] === undefined ) {
5255                                                         matchedSelectors[ sel ] = handleObj.needsContext ?
5256                                                                 jQuery( sel, this ).index( cur ) > -1 :
5257                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
5258                                                 }
5259                                                 if ( matchedSelectors[ sel ] ) {
5260                                                         matchedHandlers.push( handleObj );
5261                                                 }
5262                                         }
5263                                         if ( matchedHandlers.length ) {
5264                                                 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5265                                         }
5266                                 }
5267                         }
5268                 }
5269
5270                 // Add the remaining (directly-bound) handlers
5271                 cur = this;
5272                 if ( delegateCount < handlers.length ) {
5273                         handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5274                 }
5275
5276                 return handlerQueue;
5277         },
5278
5279         addProp: function( name, hook ) {
5280                 Object.defineProperty( jQuery.Event.prototype, name, {
5281                         enumerable: true,
5282                         configurable: true,
5283
5284                         get: jQuery.isFunction( hook ) ?
5285                                 function() {
5286                                         if ( this.originalEvent ) {
5287                                                         return hook( this.originalEvent );
5288                                         }
5289                                 } :
5290                                 function() {
5291                                         if ( this.originalEvent ) {
5292                                                         return this.originalEvent[ name ];
5293                                         }
5294                                 },
5295
5296                         set: function( value ) {
5297                                 Object.defineProperty( this, name, {
5298                                         enumerable: true,
5299                                         configurable: true,
5300                                         writable: true,
5301                                         value: value
5302                                 } );
5303                         }
5304                 } );
5305         },
5306
5307         fix: function( originalEvent ) {
5308                 return originalEvent[ jQuery.expando ] ?
5309                         originalEvent :
5310                         new jQuery.Event( originalEvent );
5311         },
5312
5313         special: {
5314                 load: {
5315
5316                         // Prevent triggered image.load events from bubbling to window.load
5317                         noBubble: true
5318                 },
5319                 focus: {
5320
5321                         // Fire native event if possible so blur/focus sequence is correct
5322                         trigger: function() {
5323                                 if ( this !== safeActiveElement() && this.focus ) {
5324                                         this.focus();
5325                                         return false;
5326                                 }
5327                         },
5328                         delegateType: "focusin"
5329                 },
5330                 blur: {
5331                         trigger: function() {
5332                                 if ( this === safeActiveElement() && this.blur ) {
5333                                         this.blur();
5334                                         return false;
5335                                 }
5336                         },
5337                         delegateType: "focusout"
5338                 },
5339                 click: {
5340
5341                         // For checkbox, fire native event so checked state will be right
5342                         trigger: function() {
5343                                 if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) {
5344                                         this.click();
5345                                         return false;
5346                                 }
5347                         },
5348
5349                         // For cross-browser consistency, don't fire native .click() on links
5350                         _default: function( event ) {
5351                                 return jQuery.nodeName( event.target, "a" );
5352                         }
5353                 },
5354
5355                 beforeunload: {
5356                         postDispatch: function( event ) {
5357
5358                                 // Support: Firefox 20+
5359                                 // Firefox doesn't alert if the returnValue field is not set.
5360                                 if ( event.result !== undefined && event.originalEvent ) {
5361                                         event.originalEvent.returnValue = event.result;
5362                                 }
5363                         }
5364                 }
5365         }
5366 };
5367
5368 jQuery.removeEvent = function( elem, type, handle ) {
5369
5370         // This "if" is needed for plain objects
5371         if ( elem.removeEventListener ) {
5372                 elem.removeEventListener( type, handle );
5373         }
5374 };
5375
5376 jQuery.Event = function( src, props ) {
5377
5378         // Allow instantiation without the 'new' keyword
5379         if ( !( this instanceof jQuery.Event ) ) {
5380                 return new jQuery.Event( src, props );
5381         }
5382
5383         // Event object
5384         if ( src && src.type ) {
5385                 this.originalEvent = src;
5386                 this.type = src.type;
5387
5388                 // Events bubbling up the document may have been marked as prevented
5389                 // by a handler lower down the tree; reflect the correct value.
5390                 this.isDefaultPrevented = src.defaultPrevented ||
5391                                 src.defaultPrevented === undefined &&
5392
5393                                 // Support: Android <=2.3 only
5394                                 src.returnValue === false ?
5395                         returnTrue :
5396                         returnFalse;
5397
5398                 // Create target properties
5399                 // Support: Safari <=6 - 7 only
5400                 // Target should not be a text node (#504, #13143)
5401                 this.target = ( src.target && src.target.nodeType === 3 ) ?
5402                         src.target.parentNode :
5403                         src.target;
5404
5405                 this.currentTarget = src.currentTarget;
5406                 this.relatedTarget = src.relatedTarget;
5407
5408         // Event type
5409         } else {
5410                 this.type = src;
5411         }
5412
5413         // Put explicitly provided properties onto the event object
5414         if ( props ) {
5415                 jQuery.extend( this, props );
5416         }
5417
5418         // Create a timestamp if incoming event doesn't have one
5419         this.timeStamp = src && src.timeStamp || jQuery.now();
5420
5421         // Mark it as fixed
5422         this[ jQuery.expando ] = true;
5423 };
5424
5425 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5426 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5427 jQuery.Event.prototype = {
5428         constructor: jQuery.Event,
5429         isDefaultPrevented: returnFalse,
5430         isPropagationStopped: returnFalse,
5431         isImmediatePropagationStopped: returnFalse,
5432         isSimulated: false,
5433
5434         preventDefault: function() {
5435                 var e = this.originalEvent;
5436
5437                 this.isDefaultPrevented = returnTrue;
5438
5439                 if ( e && !this.isSimulated ) {
5440                         e.preventDefault();
5441                 }
5442         },
5443         stopPropagation: function() {
5444                 var e = this.originalEvent;
5445
5446                 this.isPropagationStopped = returnTrue;
5447
5448                 if ( e && !this.isSimulated ) {
5449                         e.stopPropagation();
5450                 }
5451         },
5452         stopImmediatePropagation: function() {
5453                 var e = this.originalEvent;
5454
5455                 this.isImmediatePropagationStopped = returnTrue;
5456
5457                 if ( e && !this.isSimulated ) {
5458                         e.stopImmediatePropagation();
5459                 }
5460
5461                 this.stopPropagation();
5462         }
5463 };
5464
5465 // Includes all common event props including KeyEvent and MouseEvent specific props
5466 jQuery.each( {
5467         altKey: true,
5468         bubbles: true,
5469         cancelable: true,
5470         changedTouches: true,
5471         ctrlKey: true,
5472         detail: true,
5473         eventPhase: true,
5474         metaKey: true,
5475         pageX: true,
5476         pageY: true,
5477         shiftKey: true,
5478         view: true,
5479         "char": true,
5480         charCode: true,
5481         key: true,
5482         keyCode: true,
5483         button: true,
5484         buttons: true,
5485         clientX: true,
5486         clientY: true,
5487         offsetX: true,
5488         offsetY: true,
5489         pointerId: true,
5490         pointerType: true,
5491         screenX: true,
5492         screenY: true,
5493         targetTouches: true,
5494         toElement: true,
5495         touches: true,
5496
5497         which: function( event ) {
5498                 var button = event.button;
5499
5500                 // Add which for key events
5501                 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5502                         return event.charCode != null ? event.charCode : event.keyCode;
5503                 }
5504
5505                 // Add which for click: 1 === left; 2 === middle; 3 === right
5506                 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5507                         if ( button & 1 ) {
5508                                 return 1;
5509                         }
5510
5511                         if ( button & 2 ) {
5512                                 return 3;
5513                         }
5514
5515                         if ( button & 4 ) {
5516                                 return 2;
5517                         }
5518
5519                         return 0;
5520                 }
5521
5522                 return event.which;
5523         }
5524 }, jQuery.event.addProp );
5525
5526 // Create mouseenter/leave events using mouseover/out and event-time checks
5527 // so that event delegation works in jQuery.
5528 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5529 //
5530 // Support: Safari 7 only
5531 // Safari sends mouseenter too often; see:
5532 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5533 // for the description of the bug (it existed in older Chrome versions as well).
5534 jQuery.each( {
5535         mouseenter: "mouseover",
5536         mouseleave: "mouseout",
5537         pointerenter: "pointerover",
5538         pointerleave: "pointerout"
5539 }, function( orig, fix ) {
5540         jQuery.event.special[ orig ] = {
5541                 delegateType: fix,
5542                 bindType: fix,
5543
5544                 handle: function( event ) {
5545                         var ret,
5546                                 target = this,
5547                                 related = event.relatedTarget,
5548                                 handleObj = event.handleObj;
5549
5550                         // For mouseenter/leave call the handler if related is outside the target.
5551                         // NB: No relatedTarget if the mouse left/entered the browser window
5552                         if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5553                                 event.type = handleObj.origType;
5554                                 ret = handleObj.handler.apply( this, arguments );
5555                                 event.type = fix;
5556                         }
5557                         return ret;
5558                 }
5559         };
5560 } );
5561
5562 jQuery.fn.extend( {
5563
5564         on: function( types, selector, data, fn ) {
5565                 return on( this, types, selector, data, fn );
5566         },
5567         one: function( types, selector, data, fn ) {
5568                 return on( this, types, selector, data, fn, 1 );
5569         },
5570         off: function( types, selector, fn ) {
5571                 var handleObj, type;
5572                 if ( types && types.preventDefault && types.handleObj ) {
5573
5574                         // ( event )  dispatched jQuery.Event
5575                         handleObj = types.handleObj;
5576                         jQuery( types.delegateTarget ).off(
5577                                 handleObj.namespace ?
5578                                         handleObj.origType + "." + handleObj.namespace :
5579                                         handleObj.origType,
5580                                 handleObj.selector,
5581                                 handleObj.handler
5582                         );
5583                         return this;
5584                 }
5585                 if ( typeof types === "object" ) {
5586
5587                         // ( types-object [, selector] )
5588                         for ( type in types ) {
5589                                 this.off( type, selector, types[ type ] );
5590                         }
5591                         return this;
5592                 }
5593                 if ( selector === false || typeof selector === "function" ) {
5594
5595                         // ( types [, fn] )
5596                         fn = selector;
5597                         selector = undefined;
5598                 }
5599                 if ( fn === false ) {
5600                         fn = returnFalse;
5601                 }
5602                 return this.each( function() {
5603                         jQuery.event.remove( this, types, fn, selector );
5604                 } );
5605         }
5606 } );
5607
5608
5609 var
5610
5611         /* eslint-disable max-len */
5612
5613         // See https://github.com/eslint/eslint/issues/3229
5614         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5615
5616         /* eslint-enable */
5617
5618         // Support: IE <=10 - 11, Edge 12 - 13
5619         // In IE/Edge using regex groups here causes severe slowdowns.
5620         // See https://connect.microsoft.com/IE/feedback/details/1736512/
5621         rnoInnerhtml = /<script|<style|<link/i,
5622
5623         // checked="checked" or checked
5624         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5625         rscriptTypeMasked = /^true\/(.*)/,
5626         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5627
5628 function manipulationTarget( elem, content ) {
5629         if ( jQuery.nodeName( elem, "table" ) &&
5630                 jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5631
5632                 return elem.getElementsByTagName( "tbody" )[ 0 ] || elem;
5633         }
5634
5635         return elem;
5636 }
5637
5638 // Replace/restore the type attribute of script elements for safe DOM manipulation
5639 function disableScript( elem ) {
5640         elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5641         return elem;
5642 }
5643 function restoreScript( elem ) {
5644         var match = rscriptTypeMasked.exec( elem.type );
5645
5646         if ( match ) {
5647                 elem.type = match[ 1 ];
5648         } else {
5649                 elem.removeAttribute( "type" );
5650         }
5651
5652         return elem;
5653 }
5654
5655 function cloneCopyEvent( src, dest ) {
5656         var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5657
5658         if ( dest.nodeType !== 1 ) {
5659                 return;
5660         }
5661
5662         // 1. Copy private data: events, handlers, etc.
5663         if ( dataPriv.hasData( src ) ) {
5664                 pdataOld = dataPriv.access( src );
5665                 pdataCur = dataPriv.set( dest, pdataOld );
5666                 events = pdataOld.events;
5667
5668                 if ( events ) {
5669                         delete pdataCur.handle;
5670                         pdataCur.events = {};
5671
5672                         for ( type in events ) {
5673                                 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5674                                         jQuery.event.add( dest, type, events[ type ][ i ] );
5675                                 }
5676                         }
5677                 }
5678         }
5679
5680         // 2. Copy user data
5681         if ( dataUser.hasData( src ) ) {
5682                 udataOld = dataUser.access( src );
5683                 udataCur = jQuery.extend( {}, udataOld );
5684
5685                 dataUser.set( dest, udataCur );
5686         }
5687 }
5688
5689 // Fix IE bugs, see support tests
5690 function fixInput( src, dest ) {
5691         var nodeName = dest.nodeName.toLowerCase();
5692
5693         // Fails to persist the checked state of a cloned checkbox or radio button.
5694         if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5695                 dest.checked = src.checked;
5696
5697         // Fails to return the selected option to the default selected state when cloning options
5698         } else if ( nodeName === "input" || nodeName === "textarea" ) {
5699                 dest.defaultValue = src.defaultValue;
5700         }
5701 }
5702
5703 function domManip( collection, args, callback, ignored ) {
5704
5705         // Flatten any nested arrays
5706         args = concat.apply( [], args );
5707
5708         var fragment, first, scripts, hasScripts, node, doc,
5709                 i = 0,
5710                 l = collection.length,
5711                 iNoClone = l - 1,
5712                 value = args[ 0 ],
5713                 isFunction = jQuery.isFunction( value );
5714
5715         // We can't cloneNode fragments that contain checked, in WebKit
5716         if ( isFunction ||
5717                         ( l > 1 && typeof value === "string" &&
5718                                 !support.checkClone && rchecked.test( value ) ) ) {
5719                 return collection.each( function( index ) {
5720                         var self = collection.eq( index );
5721                         if ( isFunction ) {
5722                                 args[ 0 ] = value.call( this, index, self.html() );
5723                         }
5724                         domManip( self, args, callback, ignored );
5725                 } );
5726         }
5727
5728         if ( l ) {
5729                 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5730                 first = fragment.firstChild;
5731
5732                 if ( fragment.childNodes.length === 1 ) {
5733                         fragment = first;
5734                 }
5735
5736                 // Require either new content or an interest in ignored elements to invoke the callback
5737                 if ( first || ignored ) {
5738                         scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5739                         hasScripts = scripts.length;
5740
5741                         // Use the original fragment for the last item
5742                         // instead of the first because it can end up
5743                         // being emptied incorrectly in certain situations (#8070).
5744                         for ( ; i < l; i++ ) {
5745                                 node = fragment;
5746
5747                                 if ( i !== iNoClone ) {
5748                                         node = jQuery.clone( node, true, true );
5749
5750                                         // Keep references to cloned scripts for later restoration
5751                                         if ( hasScripts ) {
5752
5753                                                 // Support: Android <=4.0 only, PhantomJS 1 only
5754                                                 // push.apply(_, arraylike) throws on ancient WebKit
5755                                                 jQuery.merge( scripts, getAll( node, "script" ) );
5756                                         }
5757                                 }
5758
5759                                 callback.call( collection[ i ], node, i );
5760                         }
5761
5762                         if ( hasScripts ) {
5763                                 doc = scripts[ scripts.length - 1 ].ownerDocument;
5764
5765                                 // Reenable scripts
5766                                 jQuery.map( scripts, restoreScript );
5767
5768                                 // Evaluate executable scripts on first document insertion
5769                                 for ( i = 0; i < hasScripts; i++ ) {
5770                                         node = scripts[ i ];
5771                                         if ( rscriptType.test( node.type || "" ) &&
5772                                                 !dataPriv.access( node, "globalEval" ) &&
5773                                                 jQuery.contains( doc, node ) ) {
5774
5775                                                 if ( node.src ) {
5776
5777                                                         // Optional AJAX dependency, but won't run scripts if not present
5778                                                         if ( jQuery._evalUrl ) {
5779                                                                 jQuery._evalUrl( node.src );
5780                                                         }
5781                                                 } else {
5782                                                         DOMEval( node.textContent.replace( rcleanScript, "" ), doc );
5783                                                 }
5784                                         }
5785                                 }
5786                         }
5787                 }
5788         }
5789
5790         return collection;
5791 }
5792
5793 function remove( elem, selector, keepData ) {
5794         var node,
5795                 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5796                 i = 0;
5797
5798         for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5799                 if ( !keepData && node.nodeType === 1 ) {
5800                         jQuery.cleanData( getAll( node ) );
5801                 }
5802
5803                 if ( node.parentNode ) {
5804                         if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
5805                                 setGlobalEval( getAll( node, "script" ) );
5806                         }
5807                         node.parentNode.removeChild( node );
5808                 }
5809         }
5810
5811         return elem;
5812 }
5813
5814 jQuery.extend( {
5815         htmlPrefilter: function( html ) {
5816                 return html.replace( rxhtmlTag, "<$1></$2>" );
5817         },
5818
5819         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5820                 var i, l, srcElements, destElements,
5821                         clone = elem.cloneNode( true ),
5822                         inPage = jQuery.contains( elem.ownerDocument, elem );
5823
5824                 // Fix IE cloning issues
5825                 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5826                                 !jQuery.isXMLDoc( elem ) ) {
5827
5828                         // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5829                         destElements = getAll( clone );
5830                         srcElements = getAll( elem );
5831
5832                         for ( i = 0, l = srcElements.length; i < l; i++ ) {
5833                                 fixInput( srcElements[ i ], destElements[ i ] );
5834                         }
5835                 }
5836
5837                 // Copy the events from the original to the clone
5838                 if ( dataAndEvents ) {
5839                         if ( deepDataAndEvents ) {
5840                                 srcElements = srcElements || getAll( elem );
5841                                 destElements = destElements || getAll( clone );
5842
5843                                 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5844                                         cloneCopyEvent( srcElements[ i ], destElements[ i ] );
5845                                 }
5846                         } else {
5847                                 cloneCopyEvent( elem, clone );
5848                         }
5849                 }
5850
5851                 // Preserve script evaluation history
5852                 destElements = getAll( clone, "script" );
5853                 if ( destElements.length > 0 ) {
5854                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5855                 }
5856
5857                 // Return the cloned set
5858                 return clone;
5859         },
5860
5861         cleanData: function( elems ) {
5862                 var data, elem, type,
5863                         special = jQuery.event.special,
5864                         i = 0;
5865
5866                 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
5867                         if ( acceptData( elem ) ) {
5868                                 if ( ( data = elem[ dataPriv.expando ] ) ) {
5869                                         if ( data.events ) {
5870                                                 for ( type in data.events ) {
5871                                                         if ( special[ type ] ) {
5872                                                                 jQuery.event.remove( elem, type );
5873
5874                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
5875                                                         } else {
5876                                                                 jQuery.removeEvent( elem, type, data.handle );
5877                                                         }
5878                                                 }
5879                                         }
5880
5881                                         // Support: Chrome <=35 - 45+
5882                                         // Assign undefined instead of using delete, see Data#remove
5883                                         elem[ dataPriv.expando ] = undefined;
5884                                 }
5885                                 if ( elem[ dataUser.expando ] ) {
5886
5887                                         // Support: Chrome <=35 - 45+
5888                                         // Assign undefined instead of using delete, see Data#remove
5889                                         elem[ dataUser.expando ] = undefined;
5890                                 }
5891                         }
5892                 }
5893         }
5894 } );
5895
5896 jQuery.fn.extend( {
5897         detach: function( selector ) {
5898                 return remove( this, selector, true );
5899         },
5900
5901         remove: function( selector ) {
5902                 return remove( this, selector );
5903         },
5904
5905         text: function( value ) {
5906                 return access( this, function( value ) {
5907                         return value === undefined ?
5908                                 jQuery.text( this ) :
5909                                 this.empty().each( function() {
5910                                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5911                                                 this.textContent = value;
5912                                         }
5913                                 } );
5914                 }, null, value, arguments.length );
5915         },
5916
5917         append: function() {
5918                 return domManip( this, arguments, function( elem ) {
5919                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5920                                 var target = manipulationTarget( this, elem );
5921                                 target.appendChild( elem );
5922                         }
5923                 } );
5924         },
5925
5926         prepend: function() {
5927                 return domManip( this, arguments, function( elem ) {
5928                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5929                                 var target = manipulationTarget( this, elem );
5930                                 target.insertBefore( elem, target.firstChild );
5931                         }
5932                 } );
5933         },
5934
5935         before: function() {
5936                 return domManip( this, arguments, function( elem ) {
5937                         if ( this.parentNode ) {
5938                                 this.parentNode.insertBefore( elem, this );
5939                         }
5940                 } );
5941         },
5942
5943         after: function() {
5944                 return domManip( this, arguments, function( elem ) {
5945                         if ( this.parentNode ) {
5946                                 this.parentNode.insertBefore( elem, this.nextSibling );
5947                         }
5948                 } );
5949         },
5950
5951         empty: function() {
5952                 var elem,
5953                         i = 0;
5954
5955                 for ( ; ( elem = this[ i ] ) != null; i++ ) {
5956                         if ( elem.nodeType === 1 ) {
5957
5958                                 // Prevent memory leaks
5959                                 jQuery.cleanData( getAll( elem, false ) );
5960
5961                                 // Remove any remaining nodes
5962                                 elem.textContent = "";
5963                         }
5964                 }
5965
5966                 return this;
5967         },
5968
5969         clone: function( dataAndEvents, deepDataAndEvents ) {
5970                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5971                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5972
5973                 return this.map( function() {
5974                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5975                 } );
5976         },
5977
5978         html: function( value ) {
5979                 return access( this, function( value ) {
5980                         var elem = this[ 0 ] || {},
5981                                 i = 0,
5982                                 l = this.length;
5983
5984                         if ( value === undefined && elem.nodeType === 1 ) {
5985                                 return elem.innerHTML;
5986                         }
5987
5988                         // See if we can take a shortcut and just use innerHTML
5989                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5990                                 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
5991
5992                                 value = jQuery.htmlPrefilter( value );
5993
5994                                 try {
5995                                         for ( ; i < l; i++ ) {
5996                                                 elem = this[ i ] || {};
5997
5998                                                 // Remove element nodes and prevent memory leaks
5999                                                 if ( elem.nodeType === 1 ) {
6000                                                         jQuery.cleanData( getAll( elem, false ) );
6001                                                         elem.innerHTML = value;
6002                                                 }
6003                                         }
6004
6005                                         elem = 0;
6006
6007                                 // If using innerHTML throws an exception, use the fallback method
6008                                 } catch ( e ) {}
6009                         }
6010
6011                         if ( elem ) {
6012                                 this.empty().append( value );
6013                         }
6014                 }, null, value, arguments.length );
6015         },
6016
6017         replaceWith: function() {
6018                 var ignored = [];
6019
6020                 // Make the changes, replacing each non-ignored context element with the new content
6021                 return domManip( this, arguments, function( elem ) {
6022                         var parent = this.parentNode;
6023
6024                         if ( jQuery.inArray( this, ignored ) < 0 ) {
6025                                 jQuery.cleanData( getAll( this ) );
6026                                 if ( parent ) {
6027                                         parent.replaceChild( elem, this );
6028                                 }
6029                         }
6030
6031                 // Force callback invocation
6032                 }, ignored );
6033         }
6034 } );
6035
6036 jQuery.each( {
6037         appendTo: "append",
6038         prependTo: "prepend",
6039         insertBefore: "before",
6040         insertAfter: "after",
6041         replaceAll: "replaceWith"
6042 }, function( name, original ) {
6043         jQuery.fn[ name ] = function( selector ) {
6044                 var elems,
6045                         ret = [],
6046                         insert = jQuery( selector ),
6047                         last = insert.length - 1,
6048                         i = 0;
6049
6050                 for ( ; i <= last; i++ ) {
6051                         elems = i === last ? this : this.clone( true );
6052                         jQuery( insert[ i ] )[ original ]( elems );
6053
6054                         // Support: Android <=4.0 only, PhantomJS 1 only
6055                         // .get() because push.apply(_, arraylike) throws on ancient WebKit
6056                         push.apply( ret, elems.get() );
6057                 }
6058
6059                 return this.pushStack( ret );
6060         };
6061 } );
6062 var rmargin = ( /^margin/ );
6063
6064 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6065
6066 var getStyles = function( elem ) {
6067
6068                 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6069                 // IE throws on elements created in popups
6070                 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6071                 var view = elem.ownerDocument.defaultView;
6072
6073                 if ( !view || !view.opener ) {
6074                         view = window;
6075                 }
6076
6077                 return view.getComputedStyle( elem );
6078         };
6079
6080
6081
6082 ( function() {
6083
6084         // Executing both pixelPosition & boxSizingReliable tests require only one layout
6085         // so they're executed at the same time to save the second computation.
6086         function computeStyleTests() {
6087
6088                 // This is a singleton, we need to execute it only once
6089                 if ( !div ) {
6090                         return;
6091                 }
6092
6093                 div.style.cssText =
6094                         "box-sizing:border-box;" +
6095                         "position:relative;display:block;" +
6096                         "margin:auto;border:1px;padding:1px;" +
6097                         "top:1%;width:50%";
6098                 div.innerHTML = "";
6099                 documentElement.appendChild( container );
6100
6101                 var divStyle = window.getComputedStyle( div );
6102                 pixelPositionVal = divStyle.top !== "1%";
6103
6104                 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6105                 reliableMarginLeftVal = divStyle.marginLeft === "2px";
6106                 boxSizingReliableVal = divStyle.width === "4px";
6107
6108                 // Support: Android 4.0 - 4.3 only
6109                 // Some styles come back with percentage values, even though they shouldn't
6110                 div.style.marginRight = "50%";
6111                 pixelMarginRightVal = divStyle.marginRight === "4px";
6112
6113                 documentElement.removeChild( container );
6114
6115                 // Nullify the div so it wouldn't be stored in the memory and
6116                 // it will also be a sign that checks already performed
6117                 div = null;
6118         }
6119
6120         var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
6121                 container = document.createElement( "div" ),
6122                 div = document.createElement( "div" );
6123
6124         // Finish early in limited (non-browser) environments
6125         if ( !div.style ) {
6126                 return;
6127         }
6128
6129         // Support: IE <=9 - 11 only
6130         // Style of cloned element affects source element cloned (#8908)
6131         div.style.backgroundClip = "content-box";
6132         div.cloneNode( true ).style.backgroundClip = "";
6133         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6134
6135         container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
6136                 "padding:0;margin-top:1px;position:absolute";
6137         container.appendChild( div );
6138
6139         jQuery.extend( support, {
6140                 pixelPosition: function() {
6141                         computeStyleTests();
6142                         return pixelPositionVal;
6143                 },
6144                 boxSizingReliable: function() {
6145                         computeStyleTests();
6146                         return boxSizingReliableVal;
6147                 },
6148                 pixelMarginRight: function() {
6149                         computeStyleTests();
6150                         return pixelMarginRightVal;
6151                 },
6152                 reliableMarginLeft: function() {
6153                         computeStyleTests();
6154                         return reliableMarginLeftVal;
6155                 }
6156         } );
6157 } )();
6158
6159
6160 function curCSS( elem, name, computed ) {
6161         var width, minWidth, maxWidth, ret,
6162                 style = elem.style;
6163
6164         computed = computed || getStyles( elem );
6165
6166         // Support: IE <=9 only
6167         // getPropertyValue is only needed for .css('filter') (#12537)
6168         if ( computed ) {
6169                 ret = computed.getPropertyValue( name ) || computed[ name ];
6170
6171                 if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6172                         ret = jQuery.style( elem, name );
6173                 }
6174
6175                 // A tribute to the "awesome hack by Dean Edwards"
6176                 // Android Browser returns percentage for some values,
6177                 // but width seems to be reliably pixels.
6178                 // This is against the CSSOM draft spec:
6179                 // https://drafts.csswg.org/cssom/#resolved-values
6180                 if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6181
6182                         // Remember the original values
6183                         width = style.width;
6184                         minWidth = style.minWidth;
6185                         maxWidth = style.maxWidth;
6186
6187                         // Put in the new values to get a computed value out
6188                         style.minWidth = style.maxWidth = style.width = ret;
6189                         ret = computed.width;
6190
6191                         // Revert the changed values
6192                         style.width = width;
6193                         style.minWidth = minWidth;
6194                         style.maxWidth = maxWidth;
6195                 }
6196         }
6197
6198         return ret !== undefined ?
6199
6200                 // Support: IE <=9 - 11 only
6201                 // IE returns zIndex value as an integer.
6202                 ret + "" :
6203                 ret;
6204 }
6205
6206
6207 function addGetHookIf( conditionFn, hookFn ) {
6208
6209         // Define the hook, we'll check on the first run if it's really needed.
6210         return {
6211                 get: function() {
6212                         if ( conditionFn() ) {
6213
6214                                 // Hook not needed (or it's not possible to use it due
6215                                 // to missing dependency), remove it.
6216                                 delete this.get;
6217                                 return;
6218                         }
6219
6220                         // Hook needed; redefine it so that the support test is not executed again.
6221                         return ( this.get = hookFn ).apply( this, arguments );
6222                 }
6223         };
6224 }
6225
6226
6227 var
6228
6229         // Swappable if display is none or starts with table
6230         // except "table", "table-cell", or "table-caption"
6231         // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6232         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6233         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6234         cssNormalTransform = {
6235                 letterSpacing: "0",
6236                 fontWeight: "400"
6237         },
6238
6239         cssPrefixes = [ "Webkit", "Moz", "ms" ],
6240         emptyStyle = document.createElement( "div" ).style;
6241
6242 // Return a css property mapped to a potentially vendor prefixed property
6243 function vendorPropName( name ) {
6244
6245         // Shortcut for names that are not vendor prefixed
6246         if ( name in emptyStyle ) {
6247                 return name;
6248         }
6249
6250         // Check for vendor prefixed names
6251         var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6252                 i = cssPrefixes.length;
6253
6254         while ( i-- ) {
6255                 name = cssPrefixes[ i ] + capName;
6256                 if ( name in emptyStyle ) {
6257                         return name;
6258                 }
6259         }
6260 }
6261
6262 function setPositiveNumber( elem, value, subtract ) {
6263
6264         // Any relative (+/-) values have already been
6265         // normalized at this point
6266         var matches = rcssNum.exec( value );
6267         return matches ?
6268
6269                 // Guard against undefined "subtract", e.g., when used as in cssHooks
6270                 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6271                 value;
6272 }
6273
6274 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
6275         var i,
6276                 val = 0;
6277
6278         // If we already have the right measurement, avoid augmentation
6279         if ( extra === ( isBorderBox ? "border" : "content" ) ) {
6280                 i = 4;
6281
6282         // Otherwise initialize for horizontal or vertical properties
6283         } else {
6284                 i = name === "width" ? 1 : 0;
6285         }
6286
6287         for ( ; i < 4; i += 2 ) {
6288
6289                 // Both box models exclude margin, so add it if we want it
6290                 if ( extra === "margin" ) {
6291                         val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
6292                 }
6293
6294                 if ( isBorderBox ) {
6295
6296                         // border-box includes padding, so remove it if we want content
6297                         if ( extra === "content" ) {
6298                                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6299                         }
6300
6301                         // At this point, extra isn't border nor margin, so remove border
6302                         if ( extra !== "margin" ) {
6303                                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6304                         }
6305                 } else {
6306
6307                         // At this point, extra isn't content, so add padding
6308                         val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6309
6310                         // At this point, extra isn't content nor padding, so add border
6311                         if ( extra !== "padding" ) {
6312                                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6313                         }
6314                 }
6315         }
6316
6317         return val;
6318 }
6319
6320 function getWidthOrHeight( elem, name, extra ) {
6321
6322         // Start with offset property, which is equivalent to the border-box value
6323         var val,
6324                 valueIsBorderBox = true,
6325                 styles = getStyles( elem ),
6326                 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6327
6328         // Support: IE <=11 only
6329         // Running getBoundingClientRect on a disconnected node
6330         // in IE throws an error.
6331         if ( elem.getClientRects().length ) {
6332                 val = elem.getBoundingClientRect()[ name ];
6333         }
6334
6335         // Some non-html elements return undefined for offsetWidth, so check for null/undefined
6336         // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
6337         // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
6338         if ( val <= 0 || val == null ) {
6339
6340                 // Fall back to computed then uncomputed css if necessary
6341                 val = curCSS( elem, name, styles );
6342                 if ( val < 0 || val == null ) {
6343                         val = elem.style[ name ];
6344                 }
6345
6346                 // Computed unit is not pixels. Stop here and return.
6347                 if ( rnumnonpx.test( val ) ) {
6348                         return val;
6349                 }
6350
6351                 // Check for style in case a browser which returns unreliable values
6352                 // for getComputedStyle silently falls back to the reliable elem.style
6353                 valueIsBorderBox = isBorderBox &&
6354                         ( support.boxSizingReliable() || val === elem.style[ name ] );
6355
6356                 // Normalize "", auto, and prepare for extra
6357                 val = parseFloat( val ) || 0;
6358         }
6359
6360         // Use the active box-sizing model to add/subtract irrelevant styles
6361         return ( val +
6362                 augmentWidthOrHeight(
6363                         elem,
6364                         name,
6365                         extra || ( isBorderBox ? "border" : "content" ),
6366                         valueIsBorderBox,
6367                         styles
6368                 )
6369         ) + "px";
6370 }
6371
6372 jQuery.extend( {
6373
6374         // Add in style property hooks for overriding the default
6375         // behavior of getting and setting a style property
6376         cssHooks: {
6377                 opacity: {
6378                         get: function( elem, computed ) {
6379                                 if ( computed ) {
6380
6381                                         // We should always get a number back from opacity
6382                                         var ret = curCSS( elem, "opacity" );
6383                                         return ret === "" ? "1" : ret;
6384                                 }
6385                         }
6386                 }
6387         },
6388
6389         // Don't automatically add "px" to these possibly-unitless properties
6390         cssNumber: {
6391                 "animationIterationCount": true,
6392                 "columnCount": true,
6393                 "fillOpacity": true,
6394                 "flexGrow": true,
6395                 "flexShrink": true,
6396                 "fontWeight": true,
6397                 "lineHeight": true,
6398                 "opacity": true,
6399                 "order": true,
6400                 "orphans": true,
6401                 "widows": true,
6402                 "zIndex": true,
6403                 "zoom": true
6404         },
6405
6406         // Add in properties whose names you wish to fix before
6407         // setting or getting the value
6408         cssProps: {
6409                 "float": "cssFloat"
6410         },
6411
6412         // Get and set the style property on a DOM Node
6413         style: function( elem, name, value, extra ) {
6414
6415                 // Don't set styles on text and comment nodes
6416                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6417                         return;
6418                 }
6419
6420                 // Make sure that we're working with the right name
6421                 var ret, type, hooks,
6422                         origName = jQuery.camelCase( name ),
6423                         style = elem.style;
6424
6425                 name = jQuery.cssProps[ origName ] ||
6426                         ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
6427
6428                 // Gets hook for the prefixed version, then unprefixed version
6429                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6430
6431                 // Check if we're setting a value
6432                 if ( value !== undefined ) {
6433                         type = typeof value;
6434
6435                         // Convert "+=" or "-=" to relative numbers (#7345)
6436                         if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6437                                 value = adjustCSS( elem, name, ret );
6438
6439                                 // Fixes bug #9237
6440                                 type = "number";
6441                         }
6442
6443                         // Make sure that null and NaN values aren't set (#7116)
6444                         if ( value == null || value !== value ) {
6445                                 return;
6446                         }
6447
6448                         // If a number was passed in, add the unit (except for certain CSS properties)
6449                         if ( type === "number" ) {
6450                                 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6451                         }
6452
6453                         // background-* props affect original clone's values
6454                         if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6455                                 style[ name ] = "inherit";
6456                         }
6457
6458                         // If a hook was provided, use that value, otherwise just set the specified value
6459                         if ( !hooks || !( "set" in hooks ) ||
6460                                 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6461
6462                                 style[ name ] = value;
6463                         }
6464
6465                 } else {
6466
6467                         // If a hook was provided get the non-computed value from there
6468                         if ( hooks && "get" in hooks &&
6469                                 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6470
6471                                 return ret;
6472                         }
6473
6474                         // Otherwise just get the value from the style object
6475                         return style[ name ];
6476                 }
6477         },
6478
6479         css: function( elem, name, extra, styles ) {
6480                 var val, num, hooks,
6481                         origName = jQuery.camelCase( name );
6482
6483                 // Make sure that we're working with the right name
6484                 name = jQuery.cssProps[ origName ] ||
6485                         ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
6486
6487                 // Try prefixed name followed by the unprefixed name
6488                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6489
6490                 // If a hook was provided get the computed value from there
6491                 if ( hooks && "get" in hooks ) {
6492                         val = hooks.get( elem, true, extra );
6493                 }
6494
6495                 // Otherwise, if a way to get the computed value exists, use that
6496                 if ( val === undefined ) {
6497                         val = curCSS( elem, name, styles );
6498                 }
6499
6500                 // Convert "normal" to computed value
6501                 if ( val === "normal" && name in cssNormalTransform ) {
6502                         val = cssNormalTransform[ name ];
6503                 }
6504
6505                 // Make numeric if forced or a qualifier was provided and val looks numeric
6506                 if ( extra === "" || extra ) {
6507                         num = parseFloat( val );
6508                         return extra === true || isFinite( num ) ? num || 0 : val;
6509                 }
6510                 return val;
6511         }
6512 } );
6513
6514 jQuery.each( [ "height", "width" ], function( i, name ) {
6515         jQuery.cssHooks[ name ] = {
6516                 get: function( elem, computed, extra ) {
6517                         if ( computed ) {
6518
6519                                 // Certain elements can have dimension info if we invisibly show them
6520                                 // but it must have a current display style that would benefit
6521                                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6522
6523                                         // Support: Safari 8+
6524                                         // Table columns in Safari have non-zero offsetWidth & zero
6525                                         // getBoundingClientRect().width unless display is changed.
6526                                         // Support: IE <=11 only
6527                                         // Running getBoundingClientRect on a disconnected node
6528                                         // in IE throws an error.
6529                                         ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6530                                                 swap( elem, cssShow, function() {
6531                                                         return getWidthOrHeight( elem, name, extra );
6532                                                 } ) :
6533                                                 getWidthOrHeight( elem, name, extra );
6534                         }
6535                 },
6536
6537                 set: function( elem, value, extra ) {
6538                         var matches,
6539                                 styles = extra && getStyles( elem ),
6540                                 subtract = extra && augmentWidthOrHeight(
6541                                         elem,
6542                                         name,
6543                                         extra,
6544                                         jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6545                                         styles
6546                                 );
6547
6548                         // Convert to pixels if value adjustment is needed
6549                         if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6550                                 ( matches[ 3 ] || "px" ) !== "px" ) {
6551
6552                                 elem.style[ name ] = value;
6553                                 value = jQuery.css( elem, name );
6554                         }
6555
6556                         return setPositiveNumber( elem, value, subtract );
6557                 }
6558         };
6559 } );
6560
6561 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6562         function( elem, computed ) {
6563                 if ( computed ) {
6564                         return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6565                                 elem.getBoundingClientRect().left -
6566                                         swap( elem, { marginLeft: 0 }, function() {
6567                                                 return elem.getBoundingClientRect().left;
6568                                         } )
6569                                 ) + "px";
6570                 }
6571         }
6572 );
6573
6574 // These hooks are used by animate to expand properties
6575 jQuery.each( {
6576         margin: "",
6577         padding: "",
6578         border: "Width"
6579 }, function( prefix, suffix ) {
6580         jQuery.cssHooks[ prefix + suffix ] = {
6581                 expand: function( value ) {
6582                         var i = 0,
6583                                 expanded = {},
6584
6585                                 // Assumes a single number if not a string
6586                                 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6587
6588                         for ( ; i < 4; i++ ) {
6589                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
6590                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6591                         }
6592
6593                         return expanded;
6594                 }
6595         };
6596
6597         if ( !rmargin.test( prefix ) ) {
6598                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6599         }
6600 } );
6601
6602 jQuery.fn.extend( {
6603         css: function( name, value ) {
6604                 return access( this, function( elem, name, value ) {
6605                         var styles, len,
6606                                 map = {},
6607                                 i = 0;
6608
6609                         if ( jQuery.isArray( name ) ) {
6610                                 styles = getStyles( elem );
6611                                 len = name.length;
6612
6613                                 for ( ; i < len; i++ ) {
6614                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6615                                 }
6616
6617                                 return map;
6618                         }
6619
6620                         return value !== undefined ?
6621                                 jQuery.style( elem, name, value ) :
6622                                 jQuery.css( elem, name );
6623                 }, name, value, arguments.length > 1 );
6624         }
6625 } );
6626
6627
6628 function Tween( elem, options, prop, end, easing ) {
6629         return new Tween.prototype.init( elem, options, prop, end, easing );
6630 }
6631 jQuery.Tween = Tween;
6632
6633 Tween.prototype = {
6634         constructor: Tween,
6635         init: function( elem, options, prop, end, easing, unit ) {
6636                 this.elem = elem;
6637                 this.prop = prop;
6638                 this.easing = easing || jQuery.easing._default;
6639                 this.options = options;
6640                 this.start = this.now = this.cur();
6641                 this.end = end;
6642                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6643         },
6644         cur: function() {
6645                 var hooks = Tween.propHooks[ this.prop ];
6646
6647                 return hooks && hooks.get ?
6648                         hooks.get( this ) :
6649                         Tween.propHooks._default.get( this );
6650         },
6651         run: function( percent ) {
6652                 var eased,
6653                         hooks = Tween.propHooks[ this.prop ];
6654
6655                 if ( this.options.duration ) {
6656                         this.pos = eased = jQuery.easing[ this.easing ](
6657                                 percent, this.options.duration * percent, 0, 1, this.options.duration
6658                         );
6659                 } else {
6660                         this.pos = eased = percent;
6661                 }
6662                 this.now = ( this.end - this.start ) * eased + this.start;
6663
6664                 if ( this.options.step ) {
6665                         this.options.step.call( this.elem, this.now, this );
6666                 }
6667
6668                 if ( hooks && hooks.set ) {
6669                         hooks.set( this );
6670                 } else {
6671                         Tween.propHooks._default.set( this );
6672                 }
6673                 return this;
6674         }
6675 };
6676
6677 Tween.prototype.init.prototype = Tween.prototype;
6678
6679 Tween.propHooks = {
6680         _default: {
6681                 get: function( tween ) {
6682                         var result;
6683
6684                         // Use a property on the element directly when it is not a DOM element,
6685                         // or when there is no matching style property that exists.
6686                         if ( tween.elem.nodeType !== 1 ||
6687                                 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
6688                                 return tween.elem[ tween.prop ];
6689                         }
6690
6691                         // Passing an empty string as a 3rd parameter to .css will automatically
6692                         // attempt a parseFloat and fallback to a string if the parse fails.
6693                         // Simple values such as "10px" are parsed to Float;
6694                         // complex values such as "rotate(1rad)" are returned as-is.
6695                         result = jQuery.css( tween.elem, tween.prop, "" );
6696
6697                         // Empty strings, null, undefined and "auto" are converted to 0.
6698                         return !result || result === "auto" ? 0 : result;
6699                 },
6700                 set: function( tween ) {
6701
6702                         // Use step hook for back compat.
6703                         // Use cssHook if its there.
6704                         // Use .style if available and use plain properties where available.
6705                         if ( jQuery.fx.step[ tween.prop ] ) {
6706                                 jQuery.fx.step[ tween.prop ]( tween );
6707                         } else if ( tween.elem.nodeType === 1 &&
6708                                 ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
6709                                         jQuery.cssHooks[ tween.prop ] ) ) {
6710                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6711                         } else {
6712                                 tween.elem[ tween.prop ] = tween.now;
6713                         }
6714                 }
6715         }
6716 };
6717
6718 // Support: IE <=9 only
6719 // Panic based approach to setting things on disconnected nodes
6720 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6721         set: function( tween ) {
6722                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
6723                         tween.elem[ tween.prop ] = tween.now;
6724                 }
6725         }
6726 };
6727
6728 jQuery.easing = {
6729         linear: function( p ) {
6730                 return p;
6731         },
6732         swing: function( p ) {
6733                 return 0.5 - Math.cos( p * Math.PI ) / 2;
6734         },
6735         _default: "swing"
6736 };
6737
6738 jQuery.fx = Tween.prototype.init;
6739
6740 // Back compat <1.8 extension point
6741 jQuery.fx.step = {};
6742
6743
6744
6745
6746 var
6747         fxNow, timerId,
6748         rfxtypes = /^(?:toggle|show|hide)$/,
6749         rrun = /queueHooks$/;
6750
6751 function raf() {
6752         if ( timerId ) {
6753                 window.requestAnimationFrame( raf );
6754                 jQuery.fx.tick();
6755         }
6756 }
6757
6758 // Animations created synchronously will run synchronously
6759 function createFxNow() {
6760         window.setTimeout( function() {
6761                 fxNow = undefined;
6762         } );
6763         return ( fxNow = jQuery.now() );
6764 }
6765
6766 // Generate parameters to create a standard animation
6767 function genFx( type, includeWidth ) {
6768         var which,
6769                 i = 0,
6770                 attrs = { height: type };
6771
6772         // If we include width, step value is 1 to do all cssExpand values,
6773         // otherwise step value is 2 to skip over Left and Right
6774         includeWidth = includeWidth ? 1 : 0;
6775         for ( ; i < 4; i += 2 - includeWidth ) {
6776                 which = cssExpand[ i ];
6777                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
6778         }
6779
6780         if ( includeWidth ) {
6781                 attrs.opacity = attrs.width = type;
6782         }
6783
6784         return attrs;
6785 }
6786
6787 function createTween( value, prop, animation ) {
6788         var tween,
6789                 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
6790                 index = 0,
6791                 length = collection.length;
6792         for ( ; index < length; index++ ) {
6793                 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
6794
6795                         // We're done with this property
6796                         return tween;
6797                 }
6798         }
6799 }
6800
6801 function defaultPrefilter( elem, props, opts ) {
6802         var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
6803                 isBox = "width" in props || "height" in props,
6804                 anim = this,
6805                 orig = {},
6806                 style = elem.style,
6807                 hidden = elem.nodeType && isHiddenWithinTree( elem ),
6808                 dataShow = dataPriv.get( elem, "fxshow" );
6809
6810         // Queue-skipping animations hijack the fx hooks
6811         if ( !opts.queue ) {
6812                 hooks = jQuery._queueHooks( elem, "fx" );
6813                 if ( hooks.unqueued == null ) {
6814                         hooks.unqueued = 0;
6815                         oldfire = hooks.empty.fire;
6816                         hooks.empty.fire = function() {
6817                                 if ( !hooks.unqueued ) {
6818                                         oldfire();
6819                                 }
6820                         };
6821                 }
6822                 hooks.unqueued++;
6823
6824                 anim.always( function() {
6825
6826                         // Ensure the complete handler is called before this completes
6827                         anim.always( function() {
6828                                 hooks.unqueued--;
6829                                 if ( !jQuery.queue( elem, "fx" ).length ) {
6830                                         hooks.empty.fire();
6831                                 }
6832                         } );
6833                 } );
6834         }
6835
6836         // Detect show/hide animations
6837         for ( prop in props ) {
6838                 value = props[ prop ];
6839                 if ( rfxtypes.test( value ) ) {
6840                         delete props[ prop ];
6841                         toggle = toggle || value === "toggle";
6842                         if ( value === ( hidden ? "hide" : "show" ) ) {
6843
6844                                 // Pretend to be hidden if this is a "show" and
6845                                 // there is still data from a stopped show/hide
6846                                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
6847                                         hidden = true;
6848
6849                                 // Ignore all other no-op show/hide data
6850                                 } else {
6851                                         continue;
6852                                 }
6853                         }
6854                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
6855                 }
6856         }
6857
6858         // Bail out if this is a no-op like .hide().hide()
6859         propTween = !jQuery.isEmptyObject( props );
6860         if ( !propTween && jQuery.isEmptyObject( orig ) ) {
6861                 return;
6862         }
6863
6864         // Restrict "overflow" and "display" styles during box animations
6865         if ( isBox && elem.nodeType === 1 ) {
6866
6867                 // Support: IE <=9 - 11, Edge 12 - 13
6868                 // Record all 3 overflow attributes because IE does not infer the shorthand
6869                 // from identically-valued overflowX and overflowY
6870                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
6871
6872                 // Identify a display type, preferring old show/hide data over the CSS cascade
6873                 restoreDisplay = dataShow && dataShow.display;
6874                 if ( restoreDisplay == null ) {
6875                         restoreDisplay = dataPriv.get( elem, "display" );
6876                 }
6877                 display = jQuery.css( elem, "display" );
6878                 if ( display === "none" ) {
6879                         if ( restoreDisplay ) {
6880                                 display = restoreDisplay;
6881                         } else {
6882
6883                                 // Get nonempty value(s) by temporarily forcing visibility
6884                                 showHide( [ elem ], true );
6885                                 restoreDisplay = elem.style.display || restoreDisplay;
6886                                 display = jQuery.css( elem, "display" );
6887                                 showHide( [ elem ] );
6888                         }
6889                 }
6890
6891                 // Animate inline elements as inline-block
6892                 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
6893                         if ( jQuery.css( elem, "float" ) === "none" ) {
6894
6895                                 // Restore the original display value at the end of pure show/hide animations
6896                                 if ( !propTween ) {
6897                                         anim.done( function() {
6898                                                 style.display = restoreDisplay;
6899                                         } );
6900                                         if ( restoreDisplay == null ) {
6901                                                 display = style.display;
6902                                                 restoreDisplay = display === "none" ? "" : display;
6903                                         }
6904                                 }
6905                                 style.display = "inline-block";
6906                         }
6907                 }
6908         }
6909
6910         if ( opts.overflow ) {
6911                 style.overflow = "hidden";
6912                 anim.always( function() {
6913                         style.overflow = opts.overflow[ 0 ];
6914                         style.overflowX = opts.overflow[ 1 ];
6915                         style.overflowY = opts.overflow[ 2 ];
6916                 } );
6917         }
6918
6919         // Implement show/hide animations
6920         propTween = false;
6921         for ( prop in orig ) {
6922
6923                 // General show/hide setup for this element animation
6924                 if ( !propTween ) {
6925                         if ( dataShow ) {
6926                                 if ( "hidden" in dataShow ) {
6927                                         hidden = dataShow.hidden;
6928                                 }
6929                         } else {
6930                                 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
6931                         }
6932
6933                         // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
6934                         if ( toggle ) {
6935                                 dataShow.hidden = !hidden;
6936                         }
6937
6938                         // Show elements before animating them
6939                         if ( hidden ) {
6940                                 showHide( [ elem ], true );
6941                         }
6942
6943                         /* eslint-disable no-loop-func */
6944
6945                         anim.done( function() {
6946
6947                         /* eslint-enable no-loop-func */
6948
6949                                 // The final step of a "hide" animation is actually hiding the element
6950                                 if ( !hidden ) {
6951                                         showHide( [ elem ] );
6952                                 }
6953                                 dataPriv.remove( elem, "fxshow" );
6954                                 for ( prop in orig ) {
6955                                         jQuery.style( elem, prop, orig[ prop ] );
6956                                 }
6957                         } );
6958                 }
6959
6960                 // Per-property setup
6961                 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
6962                 if ( !( prop in dataShow ) ) {
6963                         dataShow[ prop ] = propTween.start;
6964                         if ( hidden ) {
6965                                 propTween.end = propTween.start;
6966                                 propTween.start = 0;
6967                         }
6968                 }
6969         }
6970 }
6971
6972 function propFilter( props, specialEasing ) {
6973         var index, name, easing, value, hooks;
6974
6975         // camelCase, specialEasing and expand cssHook pass
6976         for ( index in props ) {
6977                 name = jQuery.camelCase( index );
6978                 easing = specialEasing[ name ];
6979                 value = props[ index ];
6980                 if ( jQuery.isArray( value ) ) {
6981                         easing = value[ 1 ];
6982                         value = props[ index ] = value[ 0 ];
6983                 }
6984
6985                 if ( index !== name ) {
6986                         props[ name ] = value;
6987                         delete props[ index ];
6988                 }
6989
6990                 hooks = jQuery.cssHooks[ name ];
6991                 if ( hooks && "expand" in hooks ) {
6992                         value = hooks.expand( value );
6993                         delete props[ name ];
6994
6995                         // Not quite $.extend, this won't overwrite existing keys.
6996                         // Reusing 'index' because we have the correct "name"
6997                         for ( index in value ) {
6998                                 if ( !( index in props ) ) {
6999                                         props[ index ] = value[ index ];
7000                                         specialEasing[ index ] = easing;
7001                                 }
7002                         }
7003                 } else {
7004                         specialEasing[ name ] = easing;
7005                 }
7006         }
7007 }
7008
7009 function Animation( elem, properties, options ) {
7010         var result,
7011                 stopped,
7012                 index = 0,
7013                 length = Animation.prefilters.length,
7014                 deferred = jQuery.Deferred().always( function() {
7015
7016                         // Don't match elem in the :animated selector
7017                         delete tick.elem;
7018                 } ),
7019                 tick = function() {
7020                         if ( stopped ) {
7021                                 return false;
7022                         }
7023                         var currentTime = fxNow || createFxNow(),
7024                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7025
7026                                 // Support: Android 2.3 only
7027                                 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7028                                 temp = remaining / animation.duration || 0,
7029                                 percent = 1 - temp,
7030                                 index = 0,
7031                                 length = animation.tweens.length;
7032
7033                         for ( ; index < length; index++ ) {
7034                                 animation.tweens[ index ].run( percent );
7035                         }
7036
7037                         deferred.notifyWith( elem, [ animation, percent, remaining ] );
7038
7039                         if ( percent < 1 && length ) {
7040                                 return remaining;
7041                         } else {
7042                                 deferred.resolveWith( elem, [ animation ] );
7043                                 return false;
7044                         }
7045                 },
7046                 animation = deferred.promise( {
7047                         elem: elem,
7048                         props: jQuery.extend( {}, properties ),
7049                         opts: jQuery.extend( true, {
7050                                 specialEasing: {},
7051                                 easing: jQuery.easing._default
7052                         }, options ),
7053                         originalProperties: properties,
7054                         originalOptions: options,
7055                         startTime: fxNow || createFxNow(),
7056                         duration: options.duration,
7057                         tweens: [],
7058                         createTween: function( prop, end ) {
7059                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7060                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7061                                 animation.tweens.push( tween );
7062                                 return tween;
7063                         },
7064                         stop: function( gotoEnd ) {
7065                                 var index = 0,
7066
7067                                         // If we are going to the end, we want to run all the tweens
7068                                         // otherwise we skip this part
7069                                         length = gotoEnd ? animation.tweens.length : 0;
7070                                 if ( stopped ) {
7071                                         return this;
7072                                 }
7073                                 stopped = true;
7074                                 for ( ; index < length; index++ ) {
7075                                         animation.tweens[ index ].run( 1 );
7076                                 }
7077
7078                                 // Resolve when we played the last frame; otherwise, reject
7079                                 if ( gotoEnd ) {
7080                                         deferred.notifyWith( elem, [ animation, 1, 0 ] );
7081                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
7082                                 } else {
7083                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
7084                                 }
7085                                 return this;
7086                         }
7087                 } ),
7088                 props = animation.props;
7089
7090         propFilter( props, animation.opts.specialEasing );
7091
7092         for ( ; index < length; index++ ) {
7093                 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7094                 if ( result ) {
7095                         if ( jQuery.isFunction( result.stop ) ) {
7096                                 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7097                                         jQuery.proxy( result.stop, result );
7098                         }
7099                         return result;
7100                 }
7101         }
7102
7103         jQuery.map( props, createTween, animation );
7104
7105         if ( jQuery.isFunction( animation.opts.start ) ) {
7106                 animation.opts.start.call( elem, animation );
7107         }
7108
7109         jQuery.fx.timer(
7110                 jQuery.extend( tick, {
7111                         elem: elem,
7112                         anim: animation,
7113                         queue: animation.opts.queue
7114                 } )
7115         );
7116
7117         // attach callbacks from options
7118         return animation.progress( animation.opts.progress )
7119                 .done( animation.opts.done, animation.opts.complete )
7120                 .fail( animation.opts.fail )
7121                 .always( animation.opts.always );
7122 }
7123
7124 jQuery.Animation = jQuery.extend( Animation, {
7125
7126         tweeners: {
7127                 "*": [ function( prop, value ) {
7128                         var tween = this.createTween( prop, value );
7129                         adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7130                         return tween;
7131                 } ]
7132         },
7133
7134         tweener: function( props, callback ) {
7135                 if ( jQuery.isFunction( props ) ) {
7136                         callback = props;
7137                         props = [ "*" ];
7138                 } else {
7139                         props = props.match( rnothtmlwhite );
7140                 }
7141
7142                 var prop,
7143                         index = 0,
7144                         length = props.length;
7145
7146                 for ( ; index < length; index++ ) {
7147                         prop = props[ index ];
7148                         Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7149                         Animation.tweeners[ prop ].unshift( callback );
7150                 }
7151         },
7152
7153         prefilters: [ defaultPrefilter ],
7154
7155         prefilter: function( callback, prepend ) {
7156                 if ( prepend ) {
7157                         Animation.prefilters.unshift( callback );
7158                 } else {
7159                         Animation.prefilters.push( callback );
7160                 }
7161         }
7162 } );
7163
7164 jQuery.speed = function( speed, easing, fn ) {
7165         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7166                 complete: fn || !fn && easing ||
7167                         jQuery.isFunction( speed ) && speed,
7168                 duration: speed,
7169                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
7170         };
7171
7172         // Go to the end state if fx are off or if document is hidden
7173         if ( jQuery.fx.off || document.hidden ) {
7174                 opt.duration = 0;
7175
7176         } else {
7177                 if ( typeof opt.duration !== "number" ) {
7178                         if ( opt.duration in jQuery.fx.speeds ) {
7179                                 opt.duration = jQuery.fx.speeds[ opt.duration ];
7180
7181                         } else {
7182                                 opt.duration = jQuery.fx.speeds._default;
7183                         }
7184                 }
7185         }
7186
7187         // Normalize opt.queue - true/undefined/null -> "fx"
7188         if ( opt.queue == null || opt.queue === true ) {
7189                 opt.queue = "fx";
7190         }
7191
7192         // Queueing
7193         opt.old = opt.complete;
7194
7195         opt.complete = function() {
7196                 if ( jQuery.isFunction( opt.old ) ) {
7197                         opt.old.call( this );
7198                 }
7199
7200                 if ( opt.queue ) {
7201                         jQuery.dequeue( this, opt.queue );
7202                 }
7203         };
7204
7205         return opt;
7206 };
7207
7208 jQuery.fn.extend( {
7209         fadeTo: function( speed, to, easing, callback ) {
7210
7211                 // Show any hidden elements after setting opacity to 0
7212                 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7213
7214                         // Animate to the value specified
7215                         .end().animate( { opacity: to }, speed, easing, callback );
7216         },
7217         animate: function( prop, speed, easing, callback ) {
7218                 var empty = jQuery.isEmptyObject( prop ),
7219                         optall = jQuery.speed( speed, easing, callback ),
7220                         doAnimation = function() {
7221
7222                                 // Operate on a copy of prop so per-property easing won't be lost
7223                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7224
7225                                 // Empty animations, or finishing resolves immediately
7226                                 if ( empty || dataPriv.get( this, "finish" ) ) {
7227                                         anim.stop( true );
7228                                 }
7229                         };
7230                         doAnimation.finish = doAnimation;
7231
7232                 return empty || optall.queue === false ?
7233                         this.each( doAnimation ) :
7234                         this.queue( optall.queue, doAnimation );
7235         },
7236         stop: function( type, clearQueue, gotoEnd ) {
7237                 var stopQueue = function( hooks ) {
7238                         var stop = hooks.stop;
7239                         delete hooks.stop;
7240                         stop( gotoEnd );
7241                 };
7242
7243                 if ( typeof type !== "string" ) {
7244                         gotoEnd = clearQueue;
7245                         clearQueue = type;
7246                         type = undefined;
7247                 }
7248                 if ( clearQueue && type !== false ) {
7249                         this.queue( type || "fx", [] );
7250                 }
7251
7252                 return this.each( function() {
7253                         var dequeue = true,
7254                                 index = type != null && type + "queueHooks",
7255                                 timers = jQuery.timers,
7256                                 data = dataPriv.get( this );
7257
7258                         if ( index ) {
7259                                 if ( data[ index ] && data[ index ].stop ) {
7260                                         stopQueue( data[ index ] );
7261                                 }
7262                         } else {
7263                                 for ( index in data ) {
7264                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7265                                                 stopQueue( data[ index ] );
7266                                         }
7267                                 }
7268                         }
7269
7270                         for ( index = timers.length; index--; ) {
7271                                 if ( timers[ index ].elem === this &&
7272                                         ( type == null || timers[ index ].queue === type ) ) {
7273
7274                                         timers[ index ].anim.stop( gotoEnd );
7275                                         dequeue = false;
7276                                         timers.splice( index, 1 );
7277                                 }
7278                         }
7279
7280                         // Start the next in the queue if the last step wasn't forced.
7281                         // Timers currently will call their complete callbacks, which
7282                         // will dequeue but only if they were gotoEnd.
7283                         if ( dequeue || !gotoEnd ) {
7284                                 jQuery.dequeue( this, type );
7285                         }
7286                 } );
7287         },
7288         finish: function( type ) {
7289                 if ( type !== false ) {
7290                         type = type || "fx";
7291                 }
7292                 return this.each( function() {
7293                         var index,
7294                                 data = dataPriv.get( this ),
7295                                 queue = data[ type + "queue" ],
7296                                 hooks = data[ type + "queueHooks" ],
7297                                 timers = jQuery.timers,
7298                                 length = queue ? queue.length : 0;
7299
7300                         // Enable finishing flag on private data
7301                         data.finish = true;
7302
7303                         // Empty the queue first
7304                         jQuery.queue( this, type, [] );
7305
7306                         if ( hooks && hooks.stop ) {
7307                                 hooks.stop.call( this, true );
7308                         }
7309
7310                         // Look for any active animations, and finish them
7311                         for ( index = timers.length; index--; ) {
7312                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7313                                         timers[ index ].anim.stop( true );
7314                                         timers.splice( index, 1 );
7315                                 }
7316                         }
7317
7318                         // Look for any animations in the old queue and finish them
7319                         for ( index = 0; index < length; index++ ) {
7320                                 if ( queue[ index ] && queue[ index ].finish ) {
7321                                         queue[ index ].finish.call( this );
7322                                 }
7323                         }
7324
7325                         // Turn off finishing flag
7326                         delete data.finish;
7327                 } );
7328         }
7329 } );
7330
7331 jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
7332         var cssFn = jQuery.fn[ name ];
7333         jQuery.fn[ name ] = function( speed, easing, callback ) {
7334                 return speed == null || typeof speed === "boolean" ?
7335                         cssFn.apply( this, arguments ) :
7336                         this.animate( genFx( name, true ), speed, easing, callback );
7337         };
7338 } );
7339
7340 // Generate shortcuts for custom animations
7341 jQuery.each( {
7342         slideDown: genFx( "show" ),
7343         slideUp: genFx( "hide" ),
7344         slideToggle: genFx( "toggle" ),
7345         fadeIn: { opacity: "show" },
7346         fadeOut: { opacity: "hide" },
7347         fadeToggle: { opacity: "toggle" }
7348 }, function( name, props ) {
7349         jQuery.fn[ name ] = function( speed, easing, callback ) {
7350                 return this.animate( props, speed, easing, callback );
7351         };
7352 } );
7353
7354 jQuery.timers = [];
7355 jQuery.fx.tick = function() {
7356         var timer,
7357                 i = 0,
7358                 timers = jQuery.timers;
7359
7360         fxNow = jQuery.now();
7361
7362         for ( ; i < timers.length; i++ ) {
7363                 timer = timers[ i ];
7364
7365                 // Checks the timer has not already been removed
7366                 if ( !timer() && timers[ i ] === timer ) {
7367                         timers.splice( i--, 1 );
7368                 }
7369         }
7370
7371         if ( !timers.length ) {
7372                 jQuery.fx.stop();
7373         }
7374         fxNow = undefined;
7375 };
7376
7377 jQuery.fx.timer = function( timer ) {
7378         jQuery.timers.push( timer );
7379         if ( timer() ) {
7380                 jQuery.fx.start();
7381         } else {
7382                 jQuery.timers.pop();
7383         }
7384 };
7385
7386 jQuery.fx.interval = 13;
7387 jQuery.fx.start = function() {
7388         if ( !timerId ) {
7389                 timerId = window.requestAnimationFrame ?
7390                         window.requestAnimationFrame( raf ) :
7391                         window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
7392         }
7393 };
7394
7395 jQuery.fx.stop = function() {
7396         if ( window.cancelAnimationFrame ) {
7397                 window.cancelAnimationFrame( timerId );
7398         } else {
7399                 window.clearInterval( timerId );
7400         }
7401
7402         timerId = null;
7403 };
7404
7405 jQuery.fx.speeds = {
7406         slow: 600,
7407         fast: 200,
7408
7409         // Default speed
7410         _default: 400
7411 };
7412
7413
7414 // Based off of the plugin by Clint Helfers, with permission.
7415 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7416 jQuery.fn.delay = function( time, type ) {
7417         time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7418         type = type || "fx";
7419
7420         return this.queue( type, function( next, hooks ) {
7421                 var timeout = window.setTimeout( next, time );
7422                 hooks.stop = function() {
7423                         window.clearTimeout( timeout );
7424                 };
7425         } );
7426 };
7427
7428
7429 ( function() {
7430         var input = document.createElement( "input" ),
7431                 select = document.createElement( "select" ),
7432                 opt = select.appendChild( document.createElement( "option" ) );
7433
7434         input.type = "checkbox";
7435
7436         // Support: Android <=4.3 only
7437         // Default value for a checkbox should be "on"
7438         support.checkOn = input.value !== "";
7439
7440         // Support: IE <=11 only
7441         // Must access selectedIndex to make default options select
7442         support.optSelected = opt.selected;
7443
7444         // Support: IE <=11 only
7445         // An input loses its value after becoming a radio
7446         input = document.createElement( "input" );
7447         input.value = "t";
7448         input.type = "radio";
7449         support.radioValue = input.value === "t";
7450 } )();
7451
7452
7453 var boolHook,
7454         attrHandle = jQuery.expr.attrHandle;
7455
7456 jQuery.fn.extend( {
7457         attr: function( name, value ) {
7458                 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7459         },
7460
7461         removeAttr: function( name ) {
7462                 return this.each( function() {
7463                         jQuery.removeAttr( this, name );
7464                 } );
7465         }
7466 } );
7467
7468 jQuery.extend( {
7469         attr: function( elem, name, value ) {
7470                 var ret, hooks,
7471                         nType = elem.nodeType;
7472
7473                 // Don't get/set attributes on text, comment and attribute nodes
7474                 if ( nType === 3 || nType === 8 || nType === 2 ) {
7475                         return;
7476                 }
7477
7478                 // Fallback to prop when attributes are not supported
7479                 if ( typeof elem.getAttribute === "undefined" ) {
7480                         return jQuery.prop( elem, name, value );
7481                 }
7482
7483                 // Attribute hooks are determined by the lowercase version
7484                 // Grab necessary hook if one is defined
7485                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7486                         hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7487                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7488                 }
7489
7490                 if ( value !== undefined ) {
7491                         if ( value === null ) {
7492                                 jQuery.removeAttr( elem, name );
7493                                 return;
7494                         }
7495
7496                         if ( hooks && "set" in hooks &&
7497                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7498                                 return ret;
7499                         }
7500
7501                         elem.setAttribute( name, value + "" );
7502                         return value;
7503                 }
7504
7505                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7506                         return ret;
7507                 }
7508
7509                 ret = jQuery.find.attr( elem, name );
7510
7511                 // Non-existent attributes return null, we normalize to undefined
7512                 return ret == null ? undefined : ret;
7513         },
7514
7515         attrHooks: {
7516                 type: {
7517                         set: function( elem, value ) {
7518                                 if ( !support.radioValue && value === "radio" &&
7519                                         jQuery.nodeName( elem, "input" ) ) {
7520                                         var val = elem.value;
7521                                         elem.setAttribute( "type", value );
7522                                         if ( val ) {
7523                                                 elem.value = val;
7524                                         }
7525                                         return value;
7526                                 }
7527                         }
7528                 }
7529         },
7530
7531         removeAttr: function( elem, value ) {
7532                 var name,
7533                         i = 0,
7534
7535                         // Attribute names can contain non-HTML whitespace characters
7536                         // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
7537                         attrNames = value && value.match( rnothtmlwhite );
7538
7539                 if ( attrNames && elem.nodeType === 1 ) {
7540                         while ( ( name = attrNames[ i++ ] ) ) {
7541                                 elem.removeAttribute( name );
7542                         }
7543                 }
7544         }
7545 } );
7546
7547 // Hooks for boolean attributes
7548 boolHook = {
7549         set: function( elem, value, name ) {
7550                 if ( value === false ) {
7551
7552                         // Remove boolean attributes when set to false
7553                         jQuery.removeAttr( elem, name );
7554                 } else {
7555                         elem.setAttribute( name, name );
7556                 }
7557                 return name;
7558         }
7559 };
7560
7561 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
7562         var getter = attrHandle[ name ] || jQuery.find.attr;
7563
7564         attrHandle[ name ] = function( elem, name, isXML ) {
7565                 var ret, handle,
7566                         lowercaseName = name.toLowerCase();
7567
7568                 if ( !isXML ) {
7569
7570                         // Avoid an infinite loop by temporarily removing this function from the getter
7571                         handle = attrHandle[ lowercaseName ];
7572                         attrHandle[ lowercaseName ] = ret;
7573                         ret = getter( elem, name, isXML ) != null ?
7574                                 lowercaseName :
7575                                 null;
7576                         attrHandle[ lowercaseName ] = handle;
7577                 }
7578                 return ret;
7579         };
7580 } );
7581
7582
7583
7584
7585 var rfocusable = /^(?:input|select|textarea|button)$/i,
7586         rclickable = /^(?:a|area)$/i;
7587
7588 jQuery.fn.extend( {
7589         prop: function( name, value ) {
7590                 return access( this, jQuery.prop, name, value, arguments.length > 1 );
7591         },
7592
7593         removeProp: function( name ) {
7594                 return this.each( function() {
7595                         delete this[ jQuery.propFix[ name ] || name ];
7596                 } );
7597         }
7598 } );
7599
7600 jQuery.extend( {
7601         prop: function( elem, name, value ) {
7602                 var ret, hooks,
7603                         nType = elem.nodeType;
7604
7605                 // Don't get/set properties on text, comment and attribute nodes
7606                 if ( nType === 3 || nType === 8 || nType === 2 ) {
7607                         return;
7608                 }
7609
7610                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7611
7612                         // Fix name and attach hooks
7613                         name = jQuery.propFix[ name ] || name;
7614                         hooks = jQuery.propHooks[ name ];
7615                 }
7616
7617                 if ( value !== undefined ) {
7618                         if ( hooks && "set" in hooks &&
7619                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7620                                 return ret;
7621                         }
7622
7623                         return ( elem[ name ] = value );
7624                 }
7625
7626                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7627                         return ret;
7628                 }
7629
7630                 return elem[ name ];
7631         },
7632
7633         propHooks: {
7634                 tabIndex: {
7635                         get: function( elem ) {
7636
7637                                 // Support: IE <=9 - 11 only
7638                                 // elem.tabIndex doesn't always return the
7639                                 // correct value when it hasn't been explicitly set
7640                                 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7641                                 // Use proper attribute retrieval(#12072)
7642                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
7643
7644                                 if ( tabindex ) {
7645                                         return parseInt( tabindex, 10 );
7646                                 }
7647
7648                                 if (
7649                                         rfocusable.test( elem.nodeName ) ||
7650                                         rclickable.test( elem.nodeName ) &&
7651                                         elem.href
7652                                 ) {
7653                                         return 0;
7654                                 }
7655
7656                                 return -1;
7657                         }
7658                 }
7659         },
7660
7661         propFix: {
7662                 "for": "htmlFor",
7663                 "class": "className"
7664         }
7665 } );
7666
7667 // Support: IE <=11 only
7668 // Accessing the selectedIndex property
7669 // forces the browser to respect setting selected
7670 // on the option
7671 // The getter ensures a default option is selected
7672 // when in an optgroup
7673 // eslint rule "no-unused-expressions" is disabled for this code
7674 // since it considers such accessions noop
7675 if ( !support.optSelected ) {
7676         jQuery.propHooks.selected = {
7677                 get: function( elem ) {
7678
7679                         /* eslint no-unused-expressions: "off" */
7680
7681                         var parent = elem.parentNode;
7682                         if ( parent && parent.parentNode ) {
7683                                 parent.parentNode.selectedIndex;
7684                         }
7685                         return null;
7686                 },
7687                 set: function( elem ) {
7688
7689                         /* eslint no-unused-expressions: "off" */
7690
7691                         var parent = elem.parentNode;
7692                         if ( parent ) {
7693                                 parent.selectedIndex;
7694
7695                                 if ( parent.parentNode ) {
7696                                         parent.parentNode.selectedIndex;
7697                                 }
7698                         }
7699                 }
7700         };
7701 }
7702
7703 jQuery.each( [
7704         "tabIndex",
7705         "readOnly",
7706         "maxLength",
7707         "cellSpacing",
7708         "cellPadding",
7709         "rowSpan",
7710         "colSpan",
7711         "useMap",
7712         "frameBorder",
7713         "contentEditable"
7714 ], function() {
7715         jQuery.propFix[ this.toLowerCase() ] = this;
7716 } );
7717
7718
7719
7720
7721         // Strip and collapse whitespace according to HTML spec
7722         // https://html.spec.whatwg.org/multipage/infrastructure.html#strip-and-collapse-whitespace
7723         function stripAndCollapse( value ) {
7724                 var tokens = value.match( rnothtmlwhite ) || [];
7725                 return tokens.join( " " );
7726         }
7727
7728
7729 function getClass( elem ) {
7730         return elem.getAttribute && elem.getAttribute( "class" ) || "";
7731 }
7732
7733 jQuery.fn.extend( {
7734         addClass: function( value ) {
7735                 var classes, elem, cur, curValue, clazz, j, finalValue,
7736                         i = 0;
7737
7738                 if ( jQuery.isFunction( value ) ) {
7739                         return this.each( function( j ) {
7740                                 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7741                         } );
7742                 }
7743
7744                 if ( typeof value === "string" && value ) {
7745                         classes = value.match( rnothtmlwhite ) || [];
7746
7747                         while ( ( elem = this[ i++ ] ) ) {
7748                                 curValue = getClass( elem );
7749                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7750
7751                                 if ( cur ) {
7752                                         j = 0;
7753                                         while ( ( clazz = classes[ j++ ] ) ) {
7754                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7755                                                         cur += clazz + " ";
7756                                                 }
7757                                         }
7758
7759                                         // Only assign if different to avoid unneeded rendering.
7760                                         finalValue = stripAndCollapse( cur );
7761                                         if ( curValue !== finalValue ) {
7762                                                 elem.setAttribute( "class", finalValue );
7763                                         }
7764                                 }
7765                         }
7766                 }
7767
7768                 return this;
7769         },
7770
7771         removeClass: function( value ) {
7772                 var classes, elem, cur, curValue, clazz, j, finalValue,
7773                         i = 0;
7774
7775                 if ( jQuery.isFunction( value ) ) {
7776                         return this.each( function( j ) {
7777                                 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7778                         } );
7779                 }
7780
7781                 if ( !arguments.length ) {
7782                         return this.attr( "class", "" );
7783                 }
7784
7785                 if ( typeof value === "string" && value ) {
7786                         classes = value.match( rnothtmlwhite ) || [];
7787
7788                         while ( ( elem = this[ i++ ] ) ) {
7789                                 curValue = getClass( elem );
7790
7791                                 // This expression is here for better compressibility (see addClass)
7792                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7793
7794                                 if ( cur ) {
7795                                         j = 0;
7796                                         while ( ( clazz = classes[ j++ ] ) ) {
7797
7798                                                 // Remove *all* instances
7799                                                 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7800                                                         cur = cur.replace( " " + clazz + " ", " " );
7801                                                 }
7802                                         }
7803
7804                                         // Only assign if different to avoid unneeded rendering.
7805                                         finalValue = stripAndCollapse( cur );
7806                                         if ( curValue !== finalValue ) {
7807                                                 elem.setAttribute( "class", finalValue );
7808                                         }
7809                                 }
7810                         }
7811                 }
7812
7813                 return this;
7814         },
7815
7816         toggleClass: function( value, stateVal ) {
7817                 var type = typeof value;
7818
7819                 if ( typeof stateVal === "boolean" && type === "string" ) {
7820                         return stateVal ? this.addClass( value ) : this.removeClass( value );
7821                 }
7822
7823                 if ( jQuery.isFunction( value ) ) {
7824                         return this.each( function( i ) {
7825                                 jQuery( this ).toggleClass(
7826                                         value.call( this, i, getClass( this ), stateVal ),
7827                                         stateVal
7828                                 );
7829                         } );
7830                 }
7831
7832                 return this.each( function() {
7833                         var className, i, self, classNames;
7834
7835                         if ( type === "string" ) {
7836
7837                                 // Toggle individual class names
7838                                 i = 0;
7839                                 self = jQuery( this );
7840                                 classNames = value.match( rnothtmlwhite ) || [];
7841
7842                                 while ( ( className = classNames[ i++ ] ) ) {
7843
7844                                         // Check each className given, space separated list
7845                                         if ( self.hasClass( className ) ) {
7846                                                 self.removeClass( className );
7847                                         } else {
7848                                                 self.addClass( className );
7849                                         }
7850                                 }
7851
7852                         // Toggle whole class name
7853                         } else if ( value === undefined || type === "boolean" ) {
7854                                 className = getClass( this );
7855                                 if ( className ) {
7856
7857                                         // Store className if set
7858                                         dataPriv.set( this, "__className__", className );
7859                                 }
7860
7861                                 // If the element has a class name or if we're passed `false`,
7862                                 // then remove the whole classname (if there was one, the above saved it).
7863                                 // Otherwise bring back whatever was previously saved (if anything),
7864                                 // falling back to the empty string if nothing was stored.
7865                                 if ( this.setAttribute ) {
7866                                         this.setAttribute( "class",
7867                                                 className || value === false ?
7868                                                 "" :
7869                                                 dataPriv.get( this, "__className__" ) || ""
7870                                         );
7871                                 }
7872                         }
7873                 } );
7874         },
7875
7876         hasClass: function( selector ) {
7877                 var className, elem,
7878                         i = 0;
7879
7880                 className = " " + selector + " ";
7881                 while ( ( elem = this[ i++ ] ) ) {
7882                         if ( elem.nodeType === 1 &&
7883                                 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
7884                                         return true;
7885                         }
7886                 }
7887
7888                 return false;
7889         }
7890 } );
7891
7892
7893
7894
7895 var rreturn = /\r/g;
7896
7897 jQuery.fn.extend( {
7898         val: function( value ) {
7899                 var hooks, ret, isFunction,
7900                         elem = this[ 0 ];
7901
7902                 if ( !arguments.length ) {
7903                         if ( elem ) {
7904                                 hooks = jQuery.valHooks[ elem.type ] ||
7905                                         jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7906
7907                                 if ( hooks &&
7908                                         "get" in hooks &&
7909                                         ( ret = hooks.get( elem, "value" ) ) !== undefined
7910                                 ) {
7911                                         return ret;
7912                                 }
7913
7914                                 ret = elem.value;
7915
7916                                 // Handle most common string cases
7917                                 if ( typeof ret === "string" ) {
7918                                         return ret.replace( rreturn, "" );
7919                                 }
7920
7921                                 // Handle cases where value is null/undef or number
7922                                 return ret == null ? "" : ret;
7923                         }
7924
7925                         return;
7926                 }
7927
7928                 isFunction = jQuery.isFunction( value );
7929
7930                 return this.each( function( i ) {
7931                         var val;
7932
7933                         if ( this.nodeType !== 1 ) {
7934                                 return;
7935                         }
7936
7937                         if ( isFunction ) {
7938                                 val = value.call( this, i, jQuery( this ).val() );
7939                         } else {
7940                                 val = value;
7941                         }
7942
7943                         // Treat null/undefined as ""; convert numbers to string
7944                         if ( val == null ) {
7945                                 val = "";
7946
7947                         } else if ( typeof val === "number" ) {
7948                                 val += "";
7949
7950                         } else if ( jQuery.isArray( val ) ) {
7951                                 val = jQuery.map( val, function( value ) {
7952                                         return value == null ? "" : value + "";
7953                                 } );
7954                         }
7955
7956                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7957
7958                         // If set returns undefined, fall back to normal setting
7959                         if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
7960                                 this.value = val;
7961                         }
7962                 } );
7963         }
7964 } );
7965
7966 jQuery.extend( {
7967         valHooks: {
7968                 option: {
7969                         get: function( elem ) {
7970
7971                                 var val = jQuery.find.attr( elem, "value" );
7972                                 return val != null ?
7973                                         val :
7974
7975                                         // Support: IE <=10 - 11 only
7976                                         // option.text throws exceptions (#14686, #14858)
7977                                         // Strip and collapse whitespace
7978                                         // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
7979                                         stripAndCollapse( jQuery.text( elem ) );
7980                         }
7981                 },
7982                 select: {
7983                         get: function( elem ) {
7984                                 var value, option, i,
7985                                         options = elem.options,
7986                                         index = elem.selectedIndex,
7987                                         one = elem.type === "select-one",
7988                                         values = one ? null : [],
7989                                         max = one ? index + 1 : options.length;
7990
7991                                 if ( index < 0 ) {
7992                                         i = max;
7993
7994                                 } else {
7995                                         i = one ? index : 0;
7996                                 }
7997
7998                                 // Loop through all the selected options
7999                                 for ( ; i < max; i++ ) {
8000                                         option = options[ i ];
8001
8002                                         // Support: IE <=9 only
8003                                         // IE8-9 doesn't update selected after form reset (#2551)
8004                                         if ( ( option.selected || i === index ) &&
8005
8006                                                         // Don't return options that are disabled or in a disabled optgroup
8007                                                         !option.disabled &&
8008                                                         ( !option.parentNode.disabled ||
8009                                                                 !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
8010
8011                                                 // Get the specific value for the option
8012                                                 value = jQuery( option ).val();
8013
8014                                                 // We don't need an array for one selects
8015                                                 if ( one ) {
8016                                                         return value;
8017                                                 }
8018
8019                                                 // Multi-Selects return an array
8020                                                 values.push( value );
8021                                         }
8022                                 }
8023
8024                                 return values;
8025                         },
8026
8027                         set: function( elem, value ) {
8028                                 var optionSet, option,
8029                                         options = elem.options,
8030                                         values = jQuery.makeArray( value ),
8031                                         i = options.length;
8032
8033                                 while ( i-- ) {
8034                                         option = options[ i ];
8035
8036                                         /* eslint-disable no-cond-assign */
8037
8038                                         if ( option.selected =
8039                                                 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8040                                         ) {
8041                                                 optionSet = true;
8042                                         }
8043
8044                                         /* eslint-enable no-cond-assign */
8045                                 }
8046
8047                                 // Force browsers to behave consistently when non-matching value is set
8048                                 if ( !optionSet ) {
8049                                         elem.selectedIndex = -1;
8050                                 }
8051                                 return values;
8052                         }
8053                 }
8054         }
8055 } );
8056
8057 // Radios and checkboxes getter/setter
8058 jQuery.each( [ "radio", "checkbox" ], function() {
8059         jQuery.valHooks[ this ] = {
8060                 set: function( elem, value ) {
8061                         if ( jQuery.isArray( value ) ) {
8062                                 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8063                         }
8064                 }
8065         };
8066         if ( !support.checkOn ) {
8067                 jQuery.valHooks[ this ].get = function( elem ) {
8068                         return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8069                 };
8070         }
8071 } );
8072
8073
8074
8075
8076 // Return jQuery for attributes-only inclusion
8077
8078
8079 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;
8080
8081 jQuery.extend( jQuery.event, {
8082
8083         trigger: function( event, data, elem, onlyHandlers ) {
8084
8085                 var i, cur, tmp, bubbleType, ontype, handle, special,
8086                         eventPath = [ elem || document ],
8087                         type = hasOwn.call( event, "type" ) ? event.type : event,
8088                         namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8089
8090                 cur = tmp = elem = elem || document;
8091
8092                 // Don't do events on text and comment nodes
8093                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8094                         return;
8095                 }
8096
8097                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8098                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8099                         return;
8100                 }
8101
8102                 if ( type.indexOf( "." ) > -1 ) {
8103
8104                         // Namespaced trigger; create a regexp to match event type in handle()
8105                         namespaces = type.split( "." );
8106                         type = namespaces.shift();
8107                         namespaces.sort();
8108                 }
8109                 ontype = type.indexOf( ":" ) < 0 && "on" + type;
8110
8111                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8112                 event = event[ jQuery.expando ] ?
8113                         event :
8114                         new jQuery.Event( type, typeof event === "object" && event );
8115
8116                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8117                 event.isTrigger = onlyHandlers ? 2 : 3;
8118                 event.namespace = namespaces.join( "." );
8119                 event.rnamespace = event.namespace ?
8120                         new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8121                         null;
8122
8123                 // Clean up the event in case it is being reused
8124                 event.result = undefined;
8125                 if ( !event.target ) {
8126                         event.target = elem;
8127                 }
8128
8129                 // Clone any incoming data and prepend the event, creating the handler arg list
8130                 data = data == null ?
8131                         [ event ] :
8132                         jQuery.makeArray( data, [ event ] );
8133
8134                 // Allow special events to draw outside the lines
8135                 special = jQuery.event.special[ type ] || {};
8136                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8137                         return;
8138                 }
8139
8140                 // Determine event propagation path in advance, per W3C events spec (#9951)
8141                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8142                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
8143
8144                         bubbleType = special.delegateType || type;
8145                         if ( !rfocusMorph.test( bubbleType + type ) ) {
8146                                 cur = cur.parentNode;
8147                         }
8148                         for ( ; cur; cur = cur.parentNode ) {
8149                                 eventPath.push( cur );
8150                                 tmp = cur;
8151                         }
8152
8153                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
8154                         if ( tmp === ( elem.ownerDocument || document ) ) {
8155                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8156                         }
8157                 }
8158
8159                 // Fire handlers on the event path
8160                 i = 0;
8161                 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8162
8163                         event.type = i > 1 ?
8164                                 bubbleType :
8165                                 special.bindType || type;
8166
8167                         // jQuery handler
8168                         handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
8169                                 dataPriv.get( cur, "handle" );
8170                         if ( handle ) {
8171                                 handle.apply( cur, data );
8172                         }
8173
8174                         // Native handler
8175                         handle = ontype && cur[ ontype ];
8176                         if ( handle && handle.apply && acceptData( cur ) ) {
8177                                 event.result = handle.apply( cur, data );
8178                                 if ( event.result === false ) {
8179                                         event.preventDefault();
8180                                 }
8181                         }
8182                 }
8183                 event.type = type;
8184
8185                 // If nobody prevented the default action, do it now
8186                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8187
8188                         if ( ( !special._default ||
8189                                 special._default.apply( eventPath.pop(), data ) === false ) &&
8190                                 acceptData( elem ) ) {
8191
8192                                 // Call a native DOM method on the target with the same name as the event.
8193                                 // Don't do default actions on window, that's where global variables be (#6170)
8194                                 if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
8195
8196                                         // Don't re-trigger an onFOO event when we call its FOO() method
8197                                         tmp = elem[ ontype ];
8198
8199                                         if ( tmp ) {
8200                                                 elem[ ontype ] = null;
8201                                         }
8202
8203                                         // Prevent re-triggering of the same event, since we already bubbled it above
8204                                         jQuery.event.triggered = type;
8205                                         elem[ type ]();
8206                                         jQuery.event.triggered = undefined;
8207
8208                                         if ( tmp ) {
8209                                                 elem[ ontype ] = tmp;
8210                                         }
8211                                 }
8212                         }
8213                 }
8214
8215                 return event.result;
8216         },
8217
8218         // Piggyback on a donor event to simulate a different one
8219         // Used only for `focus(in | out)` events
8220         simulate: function( type, elem, event ) {
8221                 var e = jQuery.extend(
8222                         new jQuery.Event(),
8223                         event,
8224                         {
8225                                 type: type,
8226                                 isSimulated: true
8227                         }
8228                 );
8229
8230                 jQuery.event.trigger( e, null, elem );
8231         }
8232
8233 } );
8234
8235 jQuery.fn.extend( {
8236
8237         trigger: function( type, data ) {
8238                 return this.each( function() {
8239                         jQuery.event.trigger( type, data, this );
8240                 } );
8241         },
8242         triggerHandler: function( type, data ) {
8243                 var elem = this[ 0 ];
8244                 if ( elem ) {
8245                         return jQuery.event.trigger( type, data, elem, true );
8246                 }
8247         }
8248 } );
8249
8250
8251 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
8252         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8253         "change select submit keydown keypress keyup contextmenu" ).split( " " ),
8254         function( i, name ) {
8255
8256         // Handle event binding
8257         jQuery.fn[ name ] = function( data, fn ) {
8258                 return arguments.length > 0 ?
8259                         this.on( name, null, data, fn ) :
8260                         this.trigger( name );
8261         };
8262 } );
8263
8264 jQuery.fn.extend( {
8265         hover: function( fnOver, fnOut ) {
8266                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8267         }
8268 } );
8269
8270
8271
8272
8273 support.focusin = "onfocusin" in window;
8274
8275
8276 // Support: Firefox <=44
8277 // Firefox doesn't have focus(in | out) events
8278 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8279 //
8280 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8281 // focus(in | out) events fire after focus & blur events,
8282 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8283 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8284 if ( !support.focusin ) {
8285         jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8286
8287                 // Attach a single capturing handler on the document while someone wants focusin/focusout
8288                 var handler = function( event ) {
8289                         jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8290                 };
8291
8292                 jQuery.event.special[ fix ] = {
8293                         setup: function() {
8294                                 var doc = this.ownerDocument || this,
8295                                         attaches = dataPriv.access( doc, fix );
8296
8297                                 if ( !attaches ) {
8298                                         doc.addEventListener( orig, handler, true );
8299                                 }
8300                                 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8301                         },
8302                         teardown: function() {
8303                                 var doc = this.ownerDocument || this,
8304                                         attaches = dataPriv.access( doc, fix ) - 1;
8305
8306                                 if ( !attaches ) {
8307                                         doc.removeEventListener( orig, handler, true );
8308                                         dataPriv.remove( doc, fix );
8309
8310                                 } else {
8311                                         dataPriv.access( doc, fix, attaches );
8312                                 }
8313                         }
8314                 };
8315         } );
8316 }
8317 var location = window.location;
8318
8319 var nonce = jQuery.now();
8320
8321 var rquery = ( /\?/ );
8322
8323
8324
8325 // Cross-browser xml parsing
8326 jQuery.parseXML = function( data ) {
8327         var xml;
8328         if ( !data || typeof data !== "string" ) {
8329                 return null;
8330         }
8331
8332         // Support: IE 9 - 11 only
8333         // IE throws on parseFromString with invalid input.
8334         try {
8335                 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8336         } catch ( e ) {
8337                 xml = undefined;
8338         }
8339
8340         if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8341                 jQuery.error( "Invalid XML: " + data );
8342         }
8343         return xml;
8344 };
8345
8346
8347 var
8348         rbracket = /\[\]$/,
8349         rCRLF = /\r?\n/g,
8350         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8351         rsubmittable = /^(?:input|select|textarea|keygen)/i;
8352
8353 function buildParams( prefix, obj, traditional, add ) {
8354         var name;
8355
8356         if ( jQuery.isArray( obj ) ) {
8357
8358                 // Serialize array item.
8359                 jQuery.each( obj, function( i, v ) {
8360                         if ( traditional || rbracket.test( prefix ) ) {
8361
8362                                 // Treat each array item as a scalar.
8363                                 add( prefix, v );
8364
8365                         } else {
8366
8367                                 // Item is non-scalar (array or object), encode its numeric index.
8368                                 buildParams(
8369                                         prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8370                                         v,
8371                                         traditional,
8372                                         add
8373                                 );
8374                         }
8375                 } );
8376
8377         } else if ( !traditional && jQuery.type( obj ) === "object" ) {
8378
8379                 // Serialize object item.
8380                 for ( name in obj ) {
8381                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8382                 }
8383
8384         } else {
8385
8386                 // Serialize scalar item.
8387                 add( prefix, obj );
8388         }
8389 }
8390
8391 // Serialize an array of form elements or a set of
8392 // key/values into a query string
8393 jQuery.param = function( a, traditional ) {
8394         var prefix,
8395                 s = [],
8396                 add = function( key, valueOrFunction ) {
8397
8398                         // If value is a function, invoke it and use its return value
8399                         var value = jQuery.isFunction( valueOrFunction ) ?
8400                                 valueOrFunction() :
8401                                 valueOrFunction;
8402
8403                         s[ s.length ] = encodeURIComponent( key ) + "=" +
8404                                 encodeURIComponent( value == null ? "" : value );
8405                 };
8406
8407         // If an array was passed in, assume that it is an array of form elements.
8408         if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8409
8410                 // Serialize the form elements
8411                 jQuery.each( a, function() {
8412                         add( this.name, this.value );
8413                 } );
8414
8415         } else {
8416
8417                 // If traditional, encode the "old" way (the way 1.3.2 or older
8418                 // did it), otherwise encode params recursively.
8419                 for ( prefix in a ) {
8420                         buildParams( prefix, a[ prefix ], traditional, add );
8421                 }
8422         }
8423
8424         // Return the resulting serialization
8425         return s.join( "&" );
8426 };
8427
8428 jQuery.fn.extend( {
8429         serialize: function() {
8430                 return jQuery.param( this.serializeArray() );
8431         },
8432         serializeArray: function() {
8433                 return this.map( function() {
8434
8435                         // Can add propHook for "elements" to filter or add form elements
8436                         var elements = jQuery.prop( this, "elements" );
8437                         return elements ? jQuery.makeArray( elements ) : this;
8438                 } )
8439                 .filter( function() {
8440                         var type = this.type;
8441
8442                         // Use .is( ":disabled" ) so that fieldset[disabled] works
8443                         return this.name && !jQuery( this ).is( ":disabled" ) &&
8444                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8445                                 ( this.checked || !rcheckableType.test( type ) );
8446                 } )
8447                 .map( function( i, elem ) {
8448                         var val = jQuery( this ).val();
8449
8450                         if ( val == null ) {
8451                                 return null;
8452                         }
8453
8454                         if ( jQuery.isArray( val ) ) {
8455                                 return jQuery.map( val, function( val ) {
8456                                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8457                                 } );
8458                         }
8459
8460                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8461                 } ).get();
8462         }
8463 } );
8464
8465
8466 var
8467         r20 = /%20/g,
8468         rhash = /#.*$/,
8469         rantiCache = /([?&])_=[^&]*/,
8470         rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
8471
8472         // #7653, #8125, #8152: local protocol detection
8473         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8474         rnoContent = /^(?:GET|HEAD)$/,
8475         rprotocol = /^\/\//,
8476
8477         /* Prefilters
8478          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8479          * 2) These are called:
8480          *    - BEFORE asking for a transport
8481          *    - AFTER param serialization (s.data is a string if s.processData is true)
8482          * 3) key is the dataType
8483          * 4) the catchall symbol "*" can be used
8484          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8485          */
8486         prefilters = {},
8487
8488         /* Transports bindings
8489          * 1) key is the dataType
8490          * 2) the catchall symbol "*" can be used
8491          * 3) selection will start with transport dataType and THEN go to "*" if needed
8492          */
8493         transports = {},
8494
8495         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8496         allTypes = "*/".concat( "*" ),
8497
8498         // Anchor tag for parsing the document origin
8499         originAnchor = document.createElement( "a" );
8500         originAnchor.href = location.href;
8501
8502 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8503 function addToPrefiltersOrTransports( structure ) {
8504
8505         // dataTypeExpression is optional and defaults to "*"
8506         return function( dataTypeExpression, func ) {
8507
8508                 if ( typeof dataTypeExpression !== "string" ) {
8509                         func = dataTypeExpression;
8510                         dataTypeExpression = "*";
8511                 }
8512
8513                 var dataType,
8514                         i = 0,
8515                         dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
8516
8517                 if ( jQuery.isFunction( func ) ) {
8518
8519                         // For each dataType in the dataTypeExpression
8520                         while ( ( dataType = dataTypes[ i++ ] ) ) {
8521
8522                                 // Prepend if requested
8523                                 if ( dataType[ 0 ] === "+" ) {
8524                                         dataType = dataType.slice( 1 ) || "*";
8525                                         ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
8526
8527                                 // Otherwise append
8528                                 } else {
8529                                         ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
8530                                 }
8531                         }
8532                 }
8533         };
8534 }
8535
8536 // Base inspection function for prefilters and transports
8537 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8538
8539         var inspected = {},
8540                 seekingTransport = ( structure === transports );
8541
8542         function inspect( dataType ) {
8543                 var selected;
8544                 inspected[ dataType ] = true;
8545                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8546                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8547                         if ( typeof dataTypeOrTransport === "string" &&
8548                                 !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8549
8550                                 options.dataTypes.unshift( dataTypeOrTransport );
8551                                 inspect( dataTypeOrTransport );
8552                                 return false;
8553                         } else if ( seekingTransport ) {
8554                                 return !( selected = dataTypeOrTransport );
8555                         }
8556                 } );
8557                 return selected;
8558         }
8559
8560         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8561 }
8562
8563 // A special extend for ajax options
8564 // that takes "flat" options (not to be deep extended)
8565 // Fixes #9887
8566 function ajaxExtend( target, src ) {
8567         var key, deep,
8568                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8569
8570         for ( key in src ) {
8571                 if ( src[ key ] !== undefined ) {
8572                         ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
8573                 }
8574         }
8575         if ( deep ) {
8576                 jQuery.extend( true, target, deep );
8577         }
8578
8579         return target;
8580 }
8581
8582 /* Handles responses to an ajax request:
8583  * - finds the right dataType (mediates between content-type and expected dataType)
8584  * - returns the corresponding response
8585  */
8586 function ajaxHandleResponses( s, jqXHR, responses ) {
8587
8588         var ct, type, finalDataType, firstDataType,
8589                 contents = s.contents,
8590                 dataTypes = s.dataTypes;
8591
8592         // Remove auto dataType and get content-type in the process
8593         while ( dataTypes[ 0 ] === "*" ) {
8594                 dataTypes.shift();
8595                 if ( ct === undefined ) {
8596                         ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
8597                 }
8598         }
8599
8600         // Check if we're dealing with a known content-type
8601         if ( ct ) {
8602                 for ( type in contents ) {
8603                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8604                                 dataTypes.unshift( type );
8605                                 break;
8606                         }
8607                 }
8608         }
8609
8610         // Check to see if we have a response for the expected dataType
8611         if ( dataTypes[ 0 ] in responses ) {
8612                 finalDataType = dataTypes[ 0 ];
8613         } else {
8614
8615                 // Try convertible dataTypes
8616                 for ( type in responses ) {
8617                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
8618                                 finalDataType = type;
8619                                 break;
8620                         }
8621                         if ( !firstDataType ) {
8622                                 firstDataType = type;
8623                         }
8624                 }
8625
8626                 // Or just use first one
8627                 finalDataType = finalDataType || firstDataType;
8628         }
8629
8630         // If we found a dataType
8631         // We add the dataType to the list if needed
8632         // and return the corresponding response
8633         if ( finalDataType ) {
8634                 if ( finalDataType !== dataTypes[ 0 ] ) {
8635                         dataTypes.unshift( finalDataType );
8636                 }
8637                 return responses[ finalDataType ];
8638         }
8639 }
8640
8641 /* Chain conversions given the request and the original response
8642  * Also sets the responseXXX fields on the jqXHR instance
8643  */
8644 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8645         var conv2, current, conv, tmp, prev,
8646                 converters = {},
8647
8648                 // Work with a copy of dataTypes in case we need to modify it for conversion
8649                 dataTypes = s.dataTypes.slice();
8650
8651         // Create converters map with lowercased keys
8652         if ( dataTypes[ 1 ] ) {
8653                 for ( conv in s.converters ) {
8654                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8655                 }
8656         }
8657
8658         current = dataTypes.shift();
8659
8660         // Convert to each sequential dataType
8661         while ( current ) {
8662
8663                 if ( s.responseFields[ current ] ) {
8664                         jqXHR[ s.responseFields[ current ] ] = response;
8665                 }
8666
8667                 // Apply the dataFilter if provided
8668                 if ( !prev && isSuccess && s.dataFilter ) {
8669                         response = s.dataFilter( response, s.dataType );
8670                 }
8671
8672                 prev = current;
8673                 current = dataTypes.shift();
8674
8675                 if ( current ) {
8676
8677                         // There's only work to do if current dataType is non-auto
8678                         if ( current === "*" ) {
8679
8680                                 current = prev;
8681
8682                         // Convert response if prev dataType is non-auto and differs from current
8683                         } else if ( prev !== "*" && prev !== current ) {
8684
8685                                 // Seek a direct converter
8686                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8687
8688                                 // If none found, seek a pair
8689                                 if ( !conv ) {
8690                                         for ( conv2 in converters ) {
8691
8692                                                 // If conv2 outputs current
8693                                                 tmp = conv2.split( " " );
8694                                                 if ( tmp[ 1 ] === current ) {
8695
8696                                                         // If prev can be converted to accepted input
8697                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8698                                                                 converters[ "* " + tmp[ 0 ] ];
8699                                                         if ( conv ) {
8700
8701                                                                 // Condense equivalence converters
8702                                                                 if ( conv === true ) {
8703                                                                         conv = converters[ conv2 ];
8704
8705                                                                 // Otherwise, insert the intermediate dataType
8706                                                                 } else if ( converters[ conv2 ] !== true ) {
8707                                                                         current = tmp[ 0 ];
8708                                                                         dataTypes.unshift( tmp[ 1 ] );
8709                                                                 }
8710                                                                 break;
8711                                                         }
8712                                                 }
8713                                         }
8714                                 }
8715
8716                                 // Apply converter (if not an equivalence)
8717                                 if ( conv !== true ) {
8718
8719                                         // Unless errors are allowed to bubble, catch and return them
8720                                         if ( conv && s.throws ) {
8721                                                 response = conv( response );
8722                                         } else {
8723                                                 try {
8724                                                         response = conv( response );
8725                                                 } catch ( e ) {
8726                                                         return {
8727                                                                 state: "parsererror",
8728                                                                 error: conv ? e : "No conversion from " + prev + " to " + current
8729                                                         };
8730                                                 }
8731                                         }
8732                                 }
8733                         }
8734                 }
8735         }
8736
8737         return { state: "success", data: response };
8738 }
8739
8740 jQuery.extend( {
8741
8742         // Counter for holding the number of active queries
8743         active: 0,
8744
8745         // Last-Modified header cache for next request
8746         lastModified: {},
8747         etag: {},
8748
8749         ajaxSettings: {
8750                 url: location.href,
8751                 type: "GET",
8752                 isLocal: rlocalProtocol.test( location.protocol ),
8753                 global: true,
8754                 processData: true,
8755                 async: true,
8756                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8757
8758                 /*
8759                 timeout: 0,
8760                 data: null,
8761                 dataType: null,
8762                 username: null,
8763                 password: null,
8764                 cache: null,
8765                 throws: false,
8766                 traditional: false,
8767                 headers: {},
8768                 */
8769
8770                 accepts: {
8771                         "*": allTypes,
8772                         text: "text/plain",
8773                         html: "text/html",
8774                         xml: "application/xml, text/xml",
8775                         json: "application/json, text/javascript"
8776                 },
8777
8778                 contents: {
8779                         xml: /\bxml\b/,
8780                         html: /\bhtml/,
8781                         json: /\bjson\b/
8782                 },
8783
8784                 responseFields: {
8785                         xml: "responseXML",
8786                         text: "responseText",
8787                         json: "responseJSON"
8788                 },
8789
8790                 // Data converters
8791                 // Keys separate source (or catchall "*") and destination types with a single space
8792                 converters: {
8793
8794                         // Convert anything to text
8795                         "* text": String,
8796
8797                         // Text to html (true = no transformation)
8798                         "text html": true,
8799
8800                         // Evaluate text as a json expression
8801                         "text json": JSON.parse,
8802
8803                         // Parse text as xml
8804                         "text xml": jQuery.parseXML
8805                 },
8806
8807                 // For options that shouldn't be deep extended:
8808                 // you can add your own custom options here if
8809                 // and when you create one that shouldn't be
8810                 // deep extended (see ajaxExtend)
8811                 flatOptions: {
8812                         url: true,
8813                         context: true
8814                 }
8815         },
8816
8817         // Creates a full fledged settings object into target
8818         // with both ajaxSettings and settings fields.
8819         // If target is omitted, writes into ajaxSettings.
8820         ajaxSetup: function( target, settings ) {
8821                 return settings ?
8822
8823                         // Building a settings object
8824                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8825
8826                         // Extending ajaxSettings
8827                         ajaxExtend( jQuery.ajaxSettings, target );
8828         },
8829
8830         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8831         ajaxTransport: addToPrefiltersOrTransports( transports ),
8832
8833         // Main method
8834         ajax: function( url, options ) {
8835
8836                 // If url is an object, simulate pre-1.5 signature
8837                 if ( typeof url === "object" ) {
8838                         options = url;
8839                         url = undefined;
8840                 }
8841
8842                 // Force options to be an object
8843                 options = options || {};
8844
8845                 var transport,
8846
8847                         // URL without anti-cache param
8848                         cacheURL,
8849
8850                         // Response headers
8851                         responseHeadersString,
8852                         responseHeaders,
8853
8854                         // timeout handle
8855                         timeoutTimer,
8856
8857                         // Url cleanup var
8858                         urlAnchor,
8859
8860                         // Request state (becomes false upon send and true upon completion)
8861                         completed,
8862
8863                         // To know if global events are to be dispatched
8864                         fireGlobals,
8865
8866                         // Loop variable
8867                         i,
8868
8869                         // uncached part of the url
8870                         uncached,
8871
8872                         // Create the final options object
8873                         s = jQuery.ajaxSetup( {}, options ),
8874
8875                         // Callbacks context
8876                         callbackContext = s.context || s,
8877
8878                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
8879                         globalEventContext = s.context &&
8880                                 ( callbackContext.nodeType || callbackContext.jquery ) ?
8881                                         jQuery( callbackContext ) :
8882                                         jQuery.event,
8883
8884                         // Deferreds
8885                         deferred = jQuery.Deferred(),
8886                         completeDeferred = jQuery.Callbacks( "once memory" ),
8887
8888                         // Status-dependent callbacks
8889                         statusCode = s.statusCode || {},
8890
8891                         // Headers (they are sent all at once)
8892                         requestHeaders = {},
8893                         requestHeadersNames = {},
8894
8895                         // Default abort message
8896                         strAbort = "canceled",
8897
8898                         // Fake xhr
8899                         jqXHR = {
8900                                 readyState: 0,
8901
8902                                 // Builds headers hashtable if needed
8903                                 getResponseHeader: function( key ) {
8904                                         var match;
8905                                         if ( completed ) {
8906                                                 if ( !responseHeaders ) {
8907                                                         responseHeaders = {};
8908                                                         while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
8909                                                                 responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
8910                                                         }
8911                                                 }
8912                                                 match = responseHeaders[ key.toLowerCase() ];
8913                                         }
8914                                         return match == null ? null : match;
8915                                 },
8916
8917                                 // Raw string
8918                                 getAllResponseHeaders: function() {
8919                                         return completed ? responseHeadersString : null;
8920                                 },
8921
8922                                 // Caches the header
8923                                 setRequestHeader: function( name, value ) {
8924                                         if ( completed == null ) {
8925                                                 name = requestHeadersNames[ name.toLowerCase() ] =
8926                                                         requestHeadersNames[ name.toLowerCase() ] || name;
8927                                                 requestHeaders[ name ] = value;
8928                                         }
8929                                         return this;
8930                                 },
8931
8932                                 // Overrides response content-type header
8933                                 overrideMimeType: function( type ) {
8934                                         if ( completed == null ) {
8935                                                 s.mimeType = type;
8936                                         }
8937                                         return this;
8938                                 },
8939
8940                                 // Status-dependent callbacks
8941                                 statusCode: function( map ) {
8942                                         var code;
8943                                         if ( map ) {
8944                                                 if ( completed ) {
8945
8946                                                         // Execute the appropriate callbacks
8947                                                         jqXHR.always( map[ jqXHR.status ] );
8948                                                 } else {
8949
8950                                                         // Lazy-add the new callbacks in a way that preserves old ones
8951                                                         for ( code in map ) {
8952                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
8953                                                         }
8954                                                 }
8955                                         }
8956                                         return this;
8957                                 },
8958
8959                                 // Cancel the request
8960                                 abort: function( statusText ) {
8961                                         var finalText = statusText || strAbort;
8962                                         if ( transport ) {
8963                                                 transport.abort( finalText );
8964                                         }
8965                                         done( 0, finalText );
8966                                         return this;
8967                                 }
8968                         };
8969
8970                 // Attach deferreds
8971                 deferred.promise( jqXHR );
8972
8973                 // Add protocol if not provided (prefilters might expect it)
8974                 // Handle falsy url in the settings object (#10093: consistency with old signature)
8975                 // We also use the url parameter if available
8976                 s.url = ( ( url || s.url || location.href ) + "" )
8977                         .replace( rprotocol, location.protocol + "//" );
8978
8979                 // Alias method option to type as per ticket #12004
8980                 s.type = options.method || options.type || s.method || s.type;
8981
8982                 // Extract dataTypes list
8983                 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
8984
8985                 // A cross-domain request is in order when the origin doesn't match the current origin.
8986                 if ( s.crossDomain == null ) {
8987                         urlAnchor = document.createElement( "a" );
8988
8989                         // Support: IE <=8 - 11, Edge 12 - 13
8990                         // IE throws exception on accessing the href property if url is malformed,
8991                         // e.g. http://example.com:80x/
8992                         try {
8993                                 urlAnchor.href = s.url;
8994
8995                                 // Support: IE <=8 - 11 only
8996                                 // Anchor's host property isn't correctly set when s.url is relative
8997                                 urlAnchor.href = urlAnchor.href;
8998                                 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
8999                                         urlAnchor.protocol + "//" + urlAnchor.host;
9000                         } catch ( e ) {
9001
9002                                 // If there is an error parsing the URL, assume it is crossDomain,
9003                                 // it can be rejected by the transport if it is invalid
9004                                 s.crossDomain = true;
9005                         }
9006                 }
9007
9008                 // Convert data if not already a string
9009                 if ( s.data && s.processData && typeof s.data !== "string" ) {
9010                         s.data = jQuery.param( s.data, s.traditional );
9011                 }
9012
9013                 // Apply prefilters
9014                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9015
9016                 // If request was aborted inside a prefilter, stop there
9017                 if ( completed ) {
9018                         return jqXHR;
9019                 }
9020
9021                 // We can fire global events as of now if asked to
9022                 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9023                 fireGlobals = jQuery.event && s.global;
9024
9025                 // Watch for a new set of requests
9026                 if ( fireGlobals && jQuery.active++ === 0 ) {
9027                         jQuery.event.trigger( "ajaxStart" );
9028                 }
9029
9030                 // Uppercase the type
9031                 s.type = s.type.toUpperCase();
9032
9033                 // Determine if request has content
9034                 s.hasContent = !rnoContent.test( s.type );
9035
9036                 // Save the URL in case we're toying with the If-Modified-Since
9037                 // and/or If-None-Match header later on
9038                 // Remove hash to simplify url manipulation
9039                 cacheURL = s.url.replace( rhash, "" );
9040
9041                 // More options handling for requests with no content
9042                 if ( !s.hasContent ) {
9043
9044                         // Remember the hash so we can put it back
9045                         uncached = s.url.slice( cacheURL.length );
9046
9047                         // If data is available, append data to url
9048                         if ( s.data ) {
9049                                 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9050
9051                                 // #9682: remove data so that it's not used in an eventual retry
9052                                 delete s.data;
9053                         }
9054
9055                         // Add or update anti-cache param if needed
9056                         if ( s.cache === false ) {
9057                                 cacheURL = cacheURL.replace( rantiCache, "$1" );
9058                                 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
9059                         }
9060
9061                         // Put hash and anti-cache on the URL that will be requested (gh-1732)
9062                         s.url = cacheURL + uncached;
9063
9064                 // Change '%20' to '+' if this is encoded form body content (gh-2658)
9065                 } else if ( s.data && s.processData &&
9066                         ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9067                         s.data = s.data.replace( r20, "+" );
9068                 }
9069
9070                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9071                 if ( s.ifModified ) {
9072                         if ( jQuery.lastModified[ cacheURL ] ) {
9073                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9074                         }
9075                         if ( jQuery.etag[ cacheURL ] ) {
9076                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9077                         }
9078                 }
9079
9080                 // Set the correct header, if data is being sent
9081                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9082                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
9083                 }
9084
9085                 // Set the Accepts header for the server, depending on the dataType
9086                 jqXHR.setRequestHeader(
9087                         "Accept",
9088                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9089                                 s.accepts[ s.dataTypes[ 0 ] ] +
9090                                         ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9091                                 s.accepts[ "*" ]
9092                 );
9093
9094                 // Check for headers option
9095                 for ( i in s.headers ) {
9096                         jqXHR.setRequestHeader( i, s.headers[ i ] );
9097                 }
9098
9099                 // Allow custom headers/mimetypes and early abort
9100                 if ( s.beforeSend &&
9101                         ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9102
9103                         // Abort if not done already and return
9104                         return jqXHR.abort();
9105                 }
9106
9107                 // Aborting is no longer a cancellation
9108                 strAbort = "abort";
9109
9110                 // Install callbacks on deferreds
9111                 completeDeferred.add( s.complete );
9112                 jqXHR.done( s.success );
9113                 jqXHR.fail( s.error );
9114
9115                 // Get transport
9116                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9117
9118                 // If no transport, we auto-abort
9119                 if ( !transport ) {
9120                         done( -1, "No Transport" );
9121                 } else {
9122                         jqXHR.readyState = 1;
9123
9124                         // Send global event
9125                         if ( fireGlobals ) {
9126                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9127                         }
9128
9129                         // If request was aborted inside ajaxSend, stop there
9130                         if ( completed ) {
9131                                 return jqXHR;
9132                         }
9133
9134                         // Timeout
9135                         if ( s.async && s.timeout > 0 ) {
9136                                 timeoutTimer = window.setTimeout( function() {
9137                                         jqXHR.abort( "timeout" );
9138                                 }, s.timeout );
9139                         }
9140
9141                         try {
9142                                 completed = false;
9143                                 transport.send( requestHeaders, done );
9144                         } catch ( e ) {
9145
9146                                 // Rethrow post-completion exceptions
9147                                 if ( completed ) {
9148                                         throw e;
9149                                 }
9150
9151                                 // Propagate others as results
9152                                 done( -1, e );
9153                         }
9154                 }
9155
9156                 // Callback for when everything is done
9157                 function done( status, nativeStatusText, responses, headers ) {
9158                         var isSuccess, success, error, response, modified,
9159                                 statusText = nativeStatusText;
9160
9161                         // Ignore repeat invocations
9162                         if ( completed ) {
9163                                 return;
9164                         }
9165
9166                         completed = true;
9167
9168                         // Clear timeout if it exists
9169                         if ( timeoutTimer ) {
9170                                 window.clearTimeout( timeoutTimer );
9171                         }
9172
9173                         // Dereference transport for early garbage collection
9174                         // (no matter how long the jqXHR object will be used)
9175                         transport = undefined;
9176
9177                         // Cache response headers
9178                         responseHeadersString = headers || "";
9179
9180                         // Set readyState
9181                         jqXHR.readyState = status > 0 ? 4 : 0;
9182
9183                         // Determine if successful
9184                         isSuccess = status >= 200 && status < 300 || status === 304;
9185
9186                         // Get response data
9187                         if ( responses ) {
9188                                 response = ajaxHandleResponses( s, jqXHR, responses );
9189                         }
9190
9191                         // Convert no matter what (that way responseXXX fields are always set)
9192                         response = ajaxConvert( s, response, jqXHR, isSuccess );
9193
9194                         // If successful, handle type chaining
9195                         if ( isSuccess ) {
9196
9197                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9198                                 if ( s.ifModified ) {
9199                                         modified = jqXHR.getResponseHeader( "Last-Modified" );
9200                                         if ( modified ) {
9201                                                 jQuery.lastModified[ cacheURL ] = modified;
9202                                         }
9203                                         modified = jqXHR.getResponseHeader( "etag" );
9204                                         if ( modified ) {
9205                                                 jQuery.etag[ cacheURL ] = modified;
9206                                         }
9207                                 }
9208
9209                                 // if no content
9210                                 if ( status === 204 || s.type === "HEAD" ) {
9211                                         statusText = "nocontent";
9212
9213                                 // if not modified
9214                                 } else if ( status === 304 ) {
9215                                         statusText = "notmodified";
9216
9217                                 // If we have data, let's convert it
9218                                 } else {
9219                                         statusText = response.state;
9220                                         success = response.data;
9221                                         error = response.error;
9222                                         isSuccess = !error;
9223                                 }
9224                         } else {
9225
9226                                 // Extract error from statusText and normalize for non-aborts
9227                                 error = statusText;
9228                                 if ( status || !statusText ) {
9229                                         statusText = "error";
9230                                         if ( status < 0 ) {
9231                                                 status = 0;
9232                                         }
9233                                 }
9234                         }
9235
9236                         // Set data for the fake xhr object
9237                         jqXHR.status = status;
9238                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9239
9240                         // Success/Error
9241                         if ( isSuccess ) {
9242                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9243                         } else {
9244                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9245                         }
9246
9247                         // Status-dependent callbacks
9248                         jqXHR.statusCode( statusCode );
9249                         statusCode = undefined;
9250
9251                         if ( fireGlobals ) {
9252                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9253                                         [ jqXHR, s, isSuccess ? success : error ] );
9254                         }
9255
9256                         // Complete
9257                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9258
9259                         if ( fireGlobals ) {
9260                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9261
9262                                 // Handle the global AJAX counter
9263                                 if ( !( --jQuery.active ) ) {
9264                                         jQuery.event.trigger( "ajaxStop" );
9265                                 }
9266                         }
9267                 }
9268
9269                 return jqXHR;
9270         },
9271
9272         getJSON: function( url, data, callback ) {
9273                 return jQuery.get( url, data, callback, "json" );
9274         },
9275
9276         getScript: function( url, callback ) {
9277                 return jQuery.get( url, undefined, callback, "script" );
9278         }
9279 } );
9280
9281 jQuery.each( [ "get", "post" ], function( i, method ) {
9282         jQuery[ method ] = function( url, data, callback, type ) {
9283
9284                 // Shift arguments if data argument was omitted
9285                 if ( jQuery.isFunction( data ) ) {
9286                         type = type || callback;
9287                         callback = data;
9288                         data = undefined;
9289                 }
9290
9291                 // The url can be an options object (which then must have .url)
9292                 return jQuery.ajax( jQuery.extend( {
9293                         url: url,
9294                         type: method,
9295                         dataType: type,
9296                         data: data,
9297                         success: callback
9298                 }, jQuery.isPlainObject( url ) && url ) );
9299         };
9300 } );
9301
9302
9303 jQuery._evalUrl = function( url ) {
9304         return jQuery.ajax( {
9305                 url: url,
9306
9307                 // Make this explicit, since user can override this through ajaxSetup (#11264)
9308                 type: "GET",
9309                 dataType: "script",
9310                 cache: true,
9311                 async: false,
9312                 global: false,
9313                 "throws": true
9314         } );
9315 };
9316
9317
9318 jQuery.fn.extend( {
9319         wrapAll: function( html ) {
9320                 var wrap;
9321
9322                 if ( this[ 0 ] ) {
9323                         if ( jQuery.isFunction( html ) ) {
9324                                 html = html.call( this[ 0 ] );
9325                         }
9326
9327                         // The elements to wrap the target around
9328                         wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9329
9330                         if ( this[ 0 ].parentNode ) {
9331                                 wrap.insertBefore( this[ 0 ] );
9332                         }
9333
9334                         wrap.map( function() {
9335                                 var elem = this;
9336
9337                                 while ( elem.firstElementChild ) {
9338                                         elem = elem.firstElementChild;
9339                                 }
9340
9341                                 return elem;
9342                         } ).append( this );
9343                 }
9344
9345                 return this;
9346         },
9347
9348         wrapInner: function( html ) {
9349                 if ( jQuery.isFunction( html ) ) {
9350                         return this.each( function( i ) {
9351                                 jQuery( this ).wrapInner( html.call( this, i ) );
9352                         } );
9353                 }
9354
9355                 return this.each( function() {
9356                         var self = jQuery( this ),
9357                                 contents = self.contents();
9358
9359                         if ( contents.length ) {
9360                                 contents.wrapAll( html );
9361
9362                         } else {
9363                                 self.append( html );
9364                         }
9365                 } );
9366         },
9367
9368         wrap: function( html ) {
9369                 var isFunction = jQuery.isFunction( html );
9370
9371                 return this.each( function( i ) {
9372                         jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );
9373                 } );
9374         },
9375
9376         unwrap: function( selector ) {
9377                 this.parent( selector ).not( "body" ).each( function() {
9378                         jQuery( this ).replaceWith( this.childNodes );
9379                 } );
9380                 return this;
9381         }
9382 } );
9383
9384
9385 jQuery.expr.pseudos.hidden = function( elem ) {
9386         return !jQuery.expr.pseudos.visible( elem );
9387 };
9388 jQuery.expr.pseudos.visible = function( elem ) {
9389         return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9390 };
9391
9392
9393
9394
9395 jQuery.ajaxSettings.xhr = function() {
9396         try {
9397                 return new window.XMLHttpRequest();
9398         } catch ( e ) {}
9399 };
9400
9401 var xhrSuccessStatus = {
9402
9403                 // File protocol always yields status code 0, assume 200
9404                 0: 200,
9405
9406                 // Support: IE <=9 only
9407                 // #1450: sometimes IE returns 1223 when it should be 204
9408                 1223: 204
9409         },
9410         xhrSupported = jQuery.ajaxSettings.xhr();
9411
9412 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9413 support.ajax = xhrSupported = !!xhrSupported;
9414
9415 jQuery.ajaxTransport( function( options ) {
9416         var callback, errorCallback;
9417
9418         // Cross domain only allowed if supported through XMLHttpRequest
9419         if ( support.cors || xhrSupported && !options.crossDomain ) {
9420                 return {
9421                         send: function( headers, complete ) {
9422                                 var i,
9423                                         xhr = options.xhr();
9424
9425                                 xhr.open(
9426                                         options.type,
9427                                         options.url,
9428                                         options.async,
9429                                         options.username,
9430                                         options.password
9431                                 );
9432
9433                                 // Apply custom fields if provided
9434                                 if ( options.xhrFields ) {
9435                                         for ( i in options.xhrFields ) {
9436                                                 xhr[ i ] = options.xhrFields[ i ];
9437                                         }
9438                                 }
9439
9440                                 // Override mime type if needed
9441                                 if ( options.mimeType && xhr.overrideMimeType ) {
9442                                         xhr.overrideMimeType( options.mimeType );
9443                                 }
9444
9445                                 // X-Requested-With header
9446                                 // For cross-domain requests, seeing as conditions for a preflight are
9447                                 // akin to a jigsaw puzzle, we simply never set it to be sure.
9448                                 // (it can always be set on a per-request basis or even using ajaxSetup)
9449                                 // For same-domain requests, won't change header if already provided.
9450                                 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
9451                                         headers[ "X-Requested-With" ] = "XMLHttpRequest";
9452                                 }
9453
9454                                 // Set headers
9455                                 for ( i in headers ) {
9456                                         xhr.setRequestHeader( i, headers[ i ] );
9457                                 }
9458
9459                                 // Callback
9460                                 callback = function( type ) {
9461                                         return function() {
9462                                                 if ( callback ) {
9463                                                         callback = errorCallback = xhr.onload =
9464                                                                 xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
9465
9466                                                         if ( type === "abort" ) {
9467                                                                 xhr.abort();
9468                                                         } else if ( type === "error" ) {
9469
9470                                                                 // Support: IE <=9 only
9471                                                                 // On a manual native abort, IE9 throws
9472                                                                 // errors on any property access that is not readyState
9473                                                                 if ( typeof xhr.status !== "number" ) {
9474                                                                         complete( 0, "error" );
9475                                                                 } else {
9476                                                                         complete(
9477
9478                                                                                 // File: protocol always yields status 0; see #8605, #14207
9479                                                                                 xhr.status,
9480                                                                                 xhr.statusText
9481                                                                         );
9482                                                                 }
9483                                                         } else {
9484                                                                 complete(
9485                                                                         xhrSuccessStatus[ xhr.status ] || xhr.status,
9486                                                                         xhr.statusText,
9487
9488                                                                         // Support: IE <=9 only
9489                                                                         // IE9 has no XHR2 but throws on binary (trac-11426)
9490                                                                         // For XHR2 non-text, let the caller handle it (gh-2498)
9491                                                                         ( xhr.responseType || "text" ) !== "text"  ||
9492                                                                         typeof xhr.responseText !== "string" ?
9493                                                                                 { binary: xhr.response } :
9494                                                                                 { text: xhr.responseText },
9495                                                                         xhr.getAllResponseHeaders()
9496                                                                 );
9497                                                         }
9498                                                 }
9499                                         };
9500                                 };
9501
9502                                 // Listen to events
9503                                 xhr.onload = callback();
9504                                 errorCallback = xhr.onerror = callback( "error" );
9505
9506                                 // Support: IE 9 only
9507                                 // Use onreadystatechange to replace onabort
9508                                 // to handle uncaught aborts
9509                                 if ( xhr.onabort !== undefined ) {
9510                                         xhr.onabort = errorCallback;
9511                                 } else {
9512                                         xhr.onreadystatechange = function() {
9513
9514                                                 // Check readyState before timeout as it changes
9515                                                 if ( xhr.readyState === 4 ) {
9516
9517                                                         // Allow onerror to be called first,
9518                                                         // but that will not handle a native abort
9519                                                         // Also, save errorCallback to a variable
9520                                                         // as xhr.onerror cannot be accessed
9521                                                         window.setTimeout( function() {
9522                                                                 if ( callback ) {
9523                                                                         errorCallback();
9524                                                                 }
9525                                                         } );
9526                                                 }
9527                                         };
9528                                 }
9529
9530                                 // Create the abort callback
9531                                 callback = callback( "abort" );
9532
9533                                 try {
9534
9535                                         // Do send the request (this may raise an exception)
9536                                         xhr.send( options.hasContent && options.data || null );
9537                                 } catch ( e ) {
9538
9539                                         // #14683: Only rethrow if this hasn't been notified as an error yet
9540                                         if ( callback ) {
9541                                                 throw e;
9542                                         }
9543                                 }
9544                         },
9545
9546                         abort: function() {
9547                                 if ( callback ) {
9548                                         callback();
9549                                 }
9550                         }
9551                 };
9552         }
9553 } );
9554
9555
9556
9557
9558 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
9559 jQuery.ajaxPrefilter( function( s ) {
9560         if ( s.crossDomain ) {
9561                 s.contents.script = false;
9562         }
9563 } );
9564
9565 // Install script dataType
9566 jQuery.ajaxSetup( {
9567         accepts: {
9568                 script: "text/javascript, application/javascript, " +
9569                         "application/ecmascript, application/x-ecmascript"
9570         },
9571         contents: {
9572                 script: /\b(?:java|ecma)script\b/
9573         },
9574         converters: {
9575                 "text script": function( text ) {
9576                         jQuery.globalEval( text );
9577                         return text;
9578                 }
9579         }
9580 } );
9581
9582 // Handle cache's special case and crossDomain
9583 jQuery.ajaxPrefilter( "script", function( s ) {
9584         if ( s.cache === undefined ) {
9585                 s.cache = false;
9586         }
9587         if ( s.crossDomain ) {
9588                 s.type = "GET";
9589         }
9590 } );
9591
9592 // Bind script tag hack transport
9593 jQuery.ajaxTransport( "script", function( s ) {
9594
9595         // This transport only deals with cross domain requests
9596         if ( s.crossDomain ) {
9597                 var script, callback;
9598                 return {
9599                         send: function( _, complete ) {
9600                                 script = jQuery( "<script>" ).prop( {
9601                                         charset: s.scriptCharset,
9602                                         src: s.url
9603                                 } ).on(
9604                                         "load error",
9605                                         callback = function( evt ) {
9606                                                 script.remove();
9607                                                 callback = null;
9608                                                 if ( evt ) {
9609                                                         complete( evt.type === "error" ? 404 : 200, evt.type );
9610                                                 }
9611                                         }
9612                                 );
9613
9614                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
9615                                 document.head.appendChild( script[ 0 ] );
9616                         },
9617                         abort: function() {
9618                                 if ( callback ) {
9619                                         callback();
9620                                 }
9621                         }
9622                 };
9623         }
9624 } );
9625
9626
9627
9628
9629 var oldCallbacks = [],
9630         rjsonp = /(=)\?(?=&|$)|\?\?/;
9631
9632 // Default jsonp settings
9633 jQuery.ajaxSetup( {
9634         jsonp: "callback",
9635         jsonpCallback: function() {
9636                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9637                 this[ callback ] = true;
9638                 return callback;
9639         }
9640 } );
9641
9642 // Detect, normalize options and install callbacks for jsonp requests
9643 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9644
9645         var callbackName, overwritten, responseContainer,
9646                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9647                         "url" :
9648                         typeof s.data === "string" &&
9649                                 ( s.contentType || "" )
9650                                         .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9651                                 rjsonp.test( s.data ) && "data"
9652                 );
9653
9654         // Handle iff the expected data type is "jsonp" or we have a parameter to set
9655         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9656
9657                 // Get callback name, remembering preexisting value associated with it
9658                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
9659                         s.jsonpCallback() :
9660                         s.jsonpCallback;
9661
9662                 // Insert callback into url or form data
9663                 if ( jsonProp ) {
9664                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9665                 } else if ( s.jsonp !== false ) {
9666                         s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9667                 }
9668
9669                 // Use data converter to retrieve json after script execution
9670                 s.converters[ "script json" ] = function() {
9671                         if ( !responseContainer ) {
9672                                 jQuery.error( callbackName + " was not called" );
9673                         }
9674                         return responseContainer[ 0 ];
9675                 };
9676
9677                 // Force json dataType
9678                 s.dataTypes[ 0 ] = "json";
9679
9680                 // Install callback
9681                 overwritten = window[ callbackName ];
9682                 window[ callbackName ] = function() {
9683                         responseContainer = arguments;
9684                 };
9685
9686                 // Clean-up function (fires after converters)
9687                 jqXHR.always( function() {
9688
9689                         // If previous value didn't exist - remove it
9690                         if ( overwritten === undefined ) {
9691                                 jQuery( window ).removeProp( callbackName );
9692
9693                         // Otherwise restore preexisting value
9694                         } else {
9695                                 window[ callbackName ] = overwritten;
9696                         }
9697
9698                         // Save back as free
9699                         if ( s[ callbackName ] ) {
9700
9701                                 // Make sure that re-using the options doesn't screw things around
9702                                 s.jsonpCallback = originalSettings.jsonpCallback;
9703
9704                                 // Save the callback name for future use
9705                                 oldCallbacks.push( callbackName );
9706                         }
9707
9708                         // Call if it was a function and we have a response
9709                         if ( responseContainer && jQuery.isFunction( overwritten ) ) {
9710                                 overwritten( responseContainer[ 0 ] );
9711                         }
9712
9713                         responseContainer = overwritten = undefined;
9714                 } );
9715
9716                 // Delegate to script
9717                 return "script";
9718         }
9719 } );
9720
9721
9722
9723
9724 // Support: Safari 8 only
9725 // In Safari 8 documents created via document.implementation.createHTMLDocument
9726 // collapse sibling forms: the second one becomes a child of the first one.
9727 // Because of that, this security measure has to be disabled in Safari 8.
9728 // https://bugs.webkit.org/show_bug.cgi?id=137337
9729 support.createHTMLDocument = ( function() {
9730         var body = document.implementation.createHTMLDocument( "" ).body;
9731         body.innerHTML = "<form></form><form></form>";
9732         return body.childNodes.length === 2;
9733 } )();
9734
9735
9736 // Argument "data" should be string of html
9737 // context (optional): If specified, the fragment will be created in this context,
9738 // defaults to document
9739 // keepScripts (optional): If true, will include scripts passed in the html string
9740 jQuery.parseHTML = function( data, context, keepScripts ) {
9741         if ( typeof data !== "string" ) {
9742                 return [];
9743         }
9744         if ( typeof context === "boolean" ) {
9745                 keepScripts = context;
9746                 context = false;
9747         }
9748
9749         var base, parsed, scripts;
9750
9751         if ( !context ) {
9752
9753                 // Stop scripts or inline event handlers from being executed immediately
9754                 // by using document.implementation
9755                 if ( support.createHTMLDocument ) {
9756                         context = document.implementation.createHTMLDocument( "" );
9757
9758                         // Set the base href for the created document
9759                         // so any parsed elements with URLs
9760                         // are based on the document's URL (gh-2965)
9761                         base = context.createElement( "base" );
9762                         base.href = document.location.href;
9763                         context.head.appendChild( base );
9764                 } else {
9765                         context = document;
9766                 }
9767         }
9768
9769         parsed = rsingleTag.exec( data );
9770         scripts = !keepScripts && [];
9771
9772         // Single tag
9773         if ( parsed ) {
9774                 return [ context.createElement( parsed[ 1 ] ) ];
9775         }
9776
9777         parsed = buildFragment( [ data ], context, scripts );
9778
9779         if ( scripts && scripts.length ) {
9780                 jQuery( scripts ).remove();
9781         }
9782
9783         return jQuery.merge( [], parsed.childNodes );
9784 };
9785
9786
9787 /**
9788  * Load a url into a page
9789  */
9790 jQuery.fn.load = function( url, params, callback ) {
9791         var selector, type, response,
9792                 self = this,
9793                 off = url.indexOf( " " );
9794
9795         if ( off > -1 ) {
9796                 selector = stripAndCollapse( url.slice( off ) );
9797                 url = url.slice( 0, off );
9798         }
9799
9800         // If it's a function
9801         if ( jQuery.isFunction( params ) ) {
9802
9803                 // We assume that it's the callback
9804                 callback = params;
9805                 params = undefined;
9806
9807         // Otherwise, build a param string
9808         } else if ( params && typeof params === "object" ) {
9809                 type = "POST";
9810         }
9811
9812         // If we have elements to modify, make the request
9813         if ( self.length > 0 ) {
9814                 jQuery.ajax( {
9815                         url: url,
9816
9817                         // If "type" variable is undefined, then "GET" method will be used.
9818                         // Make value of this field explicit since
9819                         // user can override it through ajaxSetup method
9820                         type: type || "GET",
9821                         dataType: "html",
9822                         data: params
9823                 } ).done( function( responseText ) {
9824
9825                         // Save response for use in complete callback
9826                         response = arguments;
9827
9828                         self.html( selector ?
9829
9830                                 // If a selector was specified, locate the right elements in a dummy div
9831                                 // Exclude scripts to avoid IE 'Permission Denied' errors
9832                                 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
9833
9834                                 // Otherwise use the full result
9835                                 responseText );
9836
9837                 // If the request succeeds, this function gets "data", "status", "jqXHR"
9838                 // but they are ignored because response was set above.
9839                 // If it fails, this function gets "jqXHR", "status", "error"
9840                 } ).always( callback && function( jqXHR, status ) {
9841                         self.each( function() {
9842                                 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
9843                         } );
9844                 } );
9845         }
9846
9847         return this;
9848 };
9849
9850
9851
9852
9853 // Attach a bunch of functions for handling common AJAX events
9854 jQuery.each( [
9855         "ajaxStart",
9856         "ajaxStop",
9857         "ajaxComplete",
9858         "ajaxError",
9859         "ajaxSuccess",
9860         "ajaxSend"
9861 ], function( i, type ) {
9862         jQuery.fn[ type ] = function( fn ) {
9863                 return this.on( type, fn );
9864         };
9865 } );
9866
9867
9868
9869
9870 jQuery.expr.pseudos.animated = function( elem ) {
9871         return jQuery.grep( jQuery.timers, function( fn ) {
9872                 return elem === fn.elem;
9873         } ).length;
9874 };
9875
9876
9877
9878
9879 /**
9880  * Gets a window from an element
9881  */
9882 function getWindow( elem ) {
9883         return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
9884 }
9885
9886 jQuery.offset = {
9887         setOffset: function( elem, options, i ) {
9888                 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
9889                         position = jQuery.css( elem, "position" ),
9890                         curElem = jQuery( elem ),
9891                         props = {};
9892
9893                 // Set position first, in-case top/left are set even on static elem
9894                 if ( position === "static" ) {
9895                         elem.style.position = "relative";
9896                 }
9897
9898                 curOffset = curElem.offset();
9899                 curCSSTop = jQuery.css( elem, "top" );
9900                 curCSSLeft = jQuery.css( elem, "left" );
9901                 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
9902                         ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
9903
9904                 // Need to be able to calculate position if either
9905                 // top or left is auto and position is either absolute or fixed
9906                 if ( calculatePosition ) {
9907                         curPosition = curElem.position();
9908                         curTop = curPosition.top;
9909                         curLeft = curPosition.left;
9910
9911                 } else {
9912                         curTop = parseFloat( curCSSTop ) || 0;
9913                         curLeft = parseFloat( curCSSLeft ) || 0;
9914                 }
9915
9916                 if ( jQuery.isFunction( options ) ) {
9917
9918                         // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
9919                         options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
9920                 }
9921
9922                 if ( options.top != null ) {
9923                         props.top = ( options.top - curOffset.top ) + curTop;
9924                 }
9925                 if ( options.left != null ) {
9926                         props.left = ( options.left - curOffset.left ) + curLeft;
9927                 }
9928
9929                 if ( "using" in options ) {
9930                         options.using.call( elem, props );
9931
9932                 } else {
9933                         curElem.css( props );
9934                 }
9935         }
9936 };
9937
9938 jQuery.fn.extend( {
9939         offset: function( options ) {
9940
9941                 // Preserve chaining for setter
9942                 if ( arguments.length ) {
9943                         return options === undefined ?
9944                                 this :
9945                                 this.each( function( i ) {
9946                                         jQuery.offset.setOffset( this, options, i );
9947                                 } );
9948                 }
9949
9950                 var docElem, win, rect, doc,
9951                         elem = this[ 0 ];
9952
9953                 if ( !elem ) {
9954                         return;
9955                 }
9956
9957                 // Support: IE <=11 only
9958                 // Running getBoundingClientRect on a
9959                 // disconnected node in IE throws an error
9960                 if ( !elem.getClientRects().length ) {
9961                         return { top: 0, left: 0 };
9962                 }
9963
9964                 rect = elem.getBoundingClientRect();
9965
9966                 // Make sure element is not hidden (display: none)
9967                 if ( rect.width || rect.height ) {
9968                         doc = elem.ownerDocument;
9969                         win = getWindow( doc );
9970                         docElem = doc.documentElement;
9971
9972                         return {
9973                                 top: rect.top + win.pageYOffset - docElem.clientTop,
9974                                 left: rect.left + win.pageXOffset - docElem.clientLeft
9975                         };
9976                 }
9977
9978                 // Return zeros for disconnected and hidden elements (gh-2310)
9979                 return rect;
9980         },
9981
9982         position: function() {
9983                 if ( !this[ 0 ] ) {
9984                         return;
9985                 }
9986
9987                 var offsetParent, offset,
9988                         elem = this[ 0 ],
9989                         parentOffset = { top: 0, left: 0 };
9990
9991                 // Fixed elements are offset from window (parentOffset = {top:0, left: 0},
9992                 // because it is its only offset parent
9993                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
9994
9995                         // Assume getBoundingClientRect is there when computed position is fixed
9996                         offset = elem.getBoundingClientRect();
9997
9998                 } else {
9999
10000                         // Get *real* offsetParent
10001                         offsetParent = this.offsetParent();
10002
10003                         // Get correct offsets
10004                         offset = this.offset();
10005                         if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
10006                                 parentOffset = offsetParent.offset();
10007                         }
10008
10009                         // Add offsetParent borders
10010                         parentOffset = {
10011                                 top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ),
10012                                 left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true )
10013                         };
10014                 }
10015
10016                 // Subtract parent offsets and element margins
10017                 return {
10018                         top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10019                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10020                 };
10021         },
10022
10023         // This method will return documentElement in the following cases:
10024         // 1) For the element inside the iframe without offsetParent, this method will return
10025         //    documentElement of the parent window
10026         // 2) For the hidden or detached element
10027         // 3) For body or html element, i.e. in case of the html node - it will return itself
10028         //
10029         // but those exceptions were never presented as a real life use-cases
10030         // and might be considered as more preferable results.
10031         //
10032         // This logic, however, is not guaranteed and can change at any point in the future
10033         offsetParent: function() {
10034                 return this.map( function() {
10035                         var offsetParent = this.offsetParent;
10036
10037                         while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10038                                 offsetParent = offsetParent.offsetParent;
10039                         }
10040
10041                         return offsetParent || documentElement;
10042                 } );
10043         }
10044 } );
10045
10046 // Create scrollLeft and scrollTop methods
10047 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10048         var top = "pageYOffset" === prop;
10049
10050         jQuery.fn[ method ] = function( val ) {
10051                 return access( this, function( elem, method, val ) {
10052                         var win = getWindow( elem );
10053
10054                         if ( val === undefined ) {
10055                                 return win ? win[ prop ] : elem[ method ];
10056                         }
10057
10058                         if ( win ) {
10059                                 win.scrollTo(
10060                                         !top ? val : win.pageXOffset,
10061                                         top ? val : win.pageYOffset
10062                                 );
10063
10064                         } else {
10065                                 elem[ method ] = val;
10066                         }
10067                 }, method, val, arguments.length );
10068         };
10069 } );
10070
10071 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
10072 // Add the top/left cssHooks using jQuery.fn.position
10073 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10074 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10075 // getComputedStyle returns percent when specified for top/left/bottom/right;
10076 // rather than make the css module depend on the offset module, just check for it here
10077 jQuery.each( [ "top", "left" ], function( i, prop ) {
10078         jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10079                 function( elem, computed ) {
10080                         if ( computed ) {
10081                                 computed = curCSS( elem, prop );
10082
10083                                 // If curCSS returns percentage, fallback to offset
10084                                 return rnumnonpx.test( computed ) ?
10085                                         jQuery( elem ).position()[ prop ] + "px" :
10086                                         computed;
10087                         }
10088                 }
10089         );
10090 } );
10091
10092
10093 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10094 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10095         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
10096                 function( defaultExtra, funcName ) {
10097
10098                 // Margin is only for outerHeight, outerWidth
10099                 jQuery.fn[ funcName ] = function( margin, value ) {
10100                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10101                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10102
10103                         return access( this, function( elem, type, value ) {
10104                                 var doc;
10105
10106                                 if ( jQuery.isWindow( elem ) ) {
10107
10108                                         // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10109                                         return funcName.indexOf( "outer" ) === 0 ?
10110                                                 elem[ "inner" + name ] :
10111                                                 elem.document.documentElement[ "client" + name ];
10112                                 }
10113
10114                                 // Get document width or height
10115                                 if ( elem.nodeType === 9 ) {
10116                                         doc = elem.documentElement;
10117
10118                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10119                                         // whichever is greatest
10120                                         return Math.max(
10121                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10122                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
10123                                                 doc[ "client" + name ]
10124                                         );
10125                                 }
10126
10127                                 return value === undefined ?
10128
10129                                         // Get width or height on the element, requesting but not forcing parseFloat
10130                                         jQuery.css( elem, type, extra ) :
10131
10132                                         // Set width or height on the element
10133                                         jQuery.style( elem, type, value, extra );
10134                         }, type, chainable ? margin : undefined, chainable );
10135                 };
10136         } );
10137 } );
10138
10139
10140 jQuery.fn.extend( {
10141
10142         bind: function( types, data, fn ) {
10143                 return this.on( types, null, data, fn );
10144         },
10145         unbind: function( types, fn ) {
10146                 return this.off( types, null, fn );
10147         },
10148
10149         delegate: function( selector, types, data, fn ) {
10150                 return this.on( types, selector, data, fn );
10151         },
10152         undelegate: function( selector, types, fn ) {
10153
10154                 // ( namespace ) or ( selector, types [, fn] )
10155                 return arguments.length === 1 ?
10156                         this.off( selector, "**" ) :
10157                         this.off( types, selector || "**", fn );
10158         }
10159 } );
10160
10161 jQuery.parseJSON = JSON.parse;
10162
10163
10164
10165
10166 // Register as a named AMD module, since jQuery can be concatenated with other
10167 // files that may use define, but not via a proper concatenation script that
10168 // understands anonymous AMD modules. A named AMD is safest and most robust
10169 // way to register. Lowercase jquery is used because AMD module names are
10170 // derived from file names, and jQuery is normally delivered in a lowercase
10171 // file name. Do this after creating the global so that if an AMD module wants
10172 // to call noConflict to hide this version of jQuery, it will work.
10173
10174 // Note that for maximum portability, libraries that are not jQuery should
10175 // declare themselves as anonymous modules, and avoid setting a global if an
10176 // AMD loader is present. jQuery is a special case. For more information, see
10177 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10178
10179 if ( typeof define === "function" && define.amd ) {
10180         define( "jquery", [], function() {
10181                 return jQuery;
10182         } );
10183 }
10184
10185
10186
10187
10188 var
10189
10190         // Map over jQuery in case of overwrite
10191         _jQuery = window.jQuery,
10192
10193         // Map over the $ in case of overwrite
10194         _$ = window.$;
10195
10196 jQuery.noConflict = function( deep ) {
10197         if ( window.$ === jQuery ) {
10198                 window.$ = _$;
10199         }
10200
10201         if ( deep && window.jQuery === jQuery ) {
10202                 window.jQuery = _jQuery;
10203         }
10204
10205         return jQuery;
10206 };
10207
10208 // Expose jQuery and $ identifiers, even in AMD
10209 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10210 // and CommonJS for browser emulators (#13566)
10211 if ( !noGlobal ) {
10212         window.jQuery = window.$ = jQuery;
10213 }
10214
10215
10216
10217
10218
10219 return jQuery;
10220 } );