Team:DTU-Denmark/jqueryjs

/*!

* jQuery JavaScript Library v2.1.4
* http://jquery.com/
*
* Includes Sizzle.js
* http://sizzlejs.com/
*
* Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
* Released under the MIT license
* http://jquery.org/license
*
* Date: 2015-04-28T16:01Z
*/

(function( global, factory ) {

if ( typeof module === "object" && typeof module.exports === "object" ) { // For CommonJS and CommonJS-like environments where a proper `window` // is present, execute the factory and get jQuery. // For environments that do not have a `window` with a `document` // (such as Node.js), expose a factory as module.exports. // This accentuates the need for the creation of a real `window`. // e.g. var jQuery = require("jquery")(window); // See ticket #14549 for more info. module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new Error( "jQuery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); }

// Pass this if window is not defined yet }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {

// Support: Firefox 18+ // Can't be in strict mode, several libs including ASP.NET trace // the stack via arguments.caller.callee and Firefox dies if // you try to trace through "use strict" call chains. (#13335) //

var arr = [];

var slice = arr.slice;

var concat = arr.concat;

var push = arr.push;

var indexOf = arr.indexOf;

var class2type = {};

var toString = class2type.toString;

var hasOwn = class2type.hasOwnProperty;

var support = {};

var // Use the correct document accordingly with window argument (sandbox) document = window.document,

version = "2.1.4",

// Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' // Need init if jQuery is called (just allow error to be thrown if not included) return new jQuery.fn.init( selector, context ); },

// Support: Android<4.1 // Make sure we trim BOM and NBSP rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,

// Matches dashed string for camelizing rmsPrefix = /^-ms-/, rdashAlpha = /-([\da-z])/gi,

// Used by jQuery.camelCase as callback to replace() fcamelCase = function( all, letter ) { return letter.toUpperCase(); };

jQuery.fn = jQuery.prototype = { // The current version of jQuery being used jquery: version,

constructor: jQuery,

// Start with an empty selector selector: "",

// The default length of a jQuery object is 0 length: 0,

toArray: function() { return slice.call( this ); },

// Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { return num != null ?

// Return just the one element from the set ( num < 0 ? this[ num + this.length ] : this[ num ] ) :

// Return all the elements in a clean array slice.call( this ); },

// Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems ) {

// Build a new jQuery matched element set var ret = jQuery.merge( this.constructor(), elems );

// Add the old object onto the stack (as a reference) ret.prevObject = this; ret.context = this.context;

// Return the newly-formed element set return ret; },

// Execute a callback for every element in the matched set. // (You can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { return jQuery.each( this, callback, args ); },

map: function( callback ) { return this.pushStack( jQuery.map(this, function( elem, i ) { return callback.call( elem, i, elem ); })); },

slice: function() { return this.pushStack( slice.apply( this, arguments ) ); },

first: function() { return this.eq( 0 ); },

last: function() { return this.eq( -1 ); },

eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); },

end: function() { return this.prevObject || this.constructor(null); },

// For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, sort: arr.sort, splice: arr.splice };

jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false;

// Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target;

// Skip the boolean and the target target = arguments[ i ] || {}; i++; }

// Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !jQuery.isFunction(target) ) { target = {}; }

// Extend jQuery itself if only one argument is passed if ( i === length ) { target = this; i--; }

for ( ; i < length; i++ ) { // Only deal with non-null/undefined values if ( (options = arguments[ i ]) != null ) { // Extend the base object for ( name in options ) { src = target[ name ]; copy = options[ name ];

// Prevent never-ending loop if ( target === copy ) { continue; }

// Recurse if we're merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { if ( copyIsArray ) { copyIsArray = false; clone = src && jQuery.isArray(src) ? src : [];

} else { clone = src && jQuery.isPlainObject(src) ? src : {}; }

// Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy );

// Don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } }

// Return the modified object return target; };

jQuery.extend({ // Unique for each copy of jQuery on the page expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),

// Assume jQuery is ready without the ready module isReady: true,

error: function( msg ) { throw new Error( msg ); },

noop: function() {},

isFunction: function( obj ) { return jQuery.type(obj) === "function"; },

isArray: Array.isArray,

isWindow: function( obj ) { return obj != null && obj === obj.window; },

isNumeric: function( obj ) { // parseFloat NaNs numeric-cast false positives (null|true|false|"") // ...but misinterprets leading-number strings, particularly hex literals ("0x...") // subtraction forces infinities to NaN // adding 1 corrects loss of precision from parseFloat (#15100) return !jQuery.isArray( obj ) && (obj - parseFloat( obj ) + 1) >= 0; },

isPlainObject: function( obj ) { // Not plain objects: // - Any object or value whose internal Class property is not "[object Object]" // - DOM nodes // - window if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { return false; }

if ( obj.constructor && !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { return false; }

// If the function hasn't returned already, we're confident that // |obj| is a plain object, created by {} or constructed with new Object return true; },

isEmptyObject: function( obj ) { var name; for ( name in obj ) { return false; } return true; },

type: function( obj ) { if ( obj == null ) { return obj + ""; } // Support: Android<4.0, iOS<6 (functionish RegExp) return typeof obj === "object" || typeof obj === "function" ? class2type[ toString.call(obj) ] || "object" : typeof obj; },

// Evaluates a script in a global context globalEval: function( code ) { var script, indirect = eval;

code = jQuery.trim( code );

if ( code ) { // If the code includes a valid, prologue position // strict mode pragma, execute code by injecting a // script tag into the document. if ( code.indexOf("use strict") === 1 ) { script = document.createElement("script"); script.text = code; document.head.appendChild( script ).parentNode.removeChild( script ); } else { // Otherwise, avoid the DOM node creation, insertion // and removal by using an indirect global eval indirect( code ); } } },

// Convert dashed to camelCase; used by the css and data modules // Support: IE9-11+ // Microsoft forgot to hump their vendor prefix (#9572) camelCase: function( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); },

nodeName: function( elem, name ) { return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); },

// args is for internal usage only each: function( obj, callback, args ) { var value, i = 0, length = obj.length, isArray = isArraylike( obj );

if ( args ) { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.apply( obj[ i ], args );

if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.apply( obj[ i ], args );

if ( value === false ) { break; } } }

// A special, fast, case for the most common use of each } else { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.call( obj[ i ], i, obj[ i ] );

if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.call( obj[ i ], i, obj[ i ] );

if ( value === false ) { break; } } } }

return obj; },

// Support: Android<4.1 trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); },

// results is for internal usage only makeArray: function( arr, results ) { var ret = results || [];

if ( arr != null ) { if ( isArraylike( Object(arr) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } }

return ret; },

inArray: function( elem, arr, i ) { return arr == null ? -1 : indexOf.call( arr, elem, i ); },

merge: function( first, second ) { var len = +second.length, j = 0, i = first.length;

for ( ; j < len; j++ ) { first[ i++ ] = second[ j ]; }

first.length = i;

return first; },

grep: function( elems, callback, invert ) { var callbackInverse, matches = [], i = 0, length = elems.length, callbackExpect = !invert;

// Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { callbackInverse = !callback( elems[ i ], i ); if ( callbackInverse !== callbackExpect ) { matches.push( elems[ i ] ); } }

return matches; },

// arg is for internal usage only map: function( elems, callback, arg ) { var value, i = 0, length = elems.length, isArray = isArraylike( elems ), ret = [];

// Go through the array, translating each of the items to their new values if ( isArray ) { for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg );

if ( value != null ) { ret.push( value ); } }

// Go through every key on the object, } else { for ( i in elems ) { value = callback( elems[ i ], i, arg );

if ( value != null ) { ret.push( value ); } } }

// Flatten any nested arrays return concat.apply( [], ret ); },

// A global GUID counter for objects guid: 1,

// Bind a function to a context, optionally partially applying any // arguments. proxy: function( fn, context ) { var tmp, args, proxy;

if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; }

// Quick check to determine if target is callable, in the spec // this throws a TypeError, but we will just return undefined. if ( !jQuery.isFunction( fn ) ) { return undefined; }

// Simulated bind args = slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); };

// Set the guid of unique handler to the same of original handler, so it can be removed proxy.guid = fn.guid = fn.guid || jQuery.guid++;

return proxy; },

now: Date.now,

// jQuery.support is not used in Core but other projects attach their // properties to it so it needs to exist. support: support });

// Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); });

function isArraylike( obj ) {

// Support: iOS 8.2 (not reproducible in simulator) // `in` check used to prevent JIT error (gh-2145) // hasOwn isn't used here due to false negatives // regarding Nodelist length in IE var length = "length" in obj && obj.length, type = jQuery.type( obj );

if ( type === "function" || jQuery.isWindow( obj ) ) { return false; }

if ( obj.nodeType === 1 && length ) { return true; }

return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var Sizzle = /*!

* Sizzle CSS Selector Engine v2.2.0-pre
* http://sizzlejs.com/
*
* Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors
* Released under the MIT license
* http://jquery.org/license
*
* Date: 2014-12-16
*/

(function( window ) {

var i, support, Expr, getText, isXML, tokenize, compile, select, outermostContext, sortInput, hasDuplicate,

// Local document vars setDocument, document, docElem, documentIsHTML, rbuggyQSA, rbuggyMatches, matches, contains,

// Instance-specific data expando = "sizzle" + 1 * new Date(), preferredDoc = window.document, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; } return 0; },

// General-purpose constants MAX_NEGATIVE = 1 << 31,

// Instance methods hasOwn = ({}).hasOwnProperty, arr = [], pop = arr.pop, push_native = arr.push, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf as it's faster than native // http://jsperf.com/thor-indexof-vs-for/5 indexOf = function( list, elem ) { var i = 0, len = list.length; for ( ; i < len; i++ ) { if ( list[i] === elem ) { return i; } } return -1; },

// Regular expressions

// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // http://www.w3.org/TR/css3-syntax/#characters characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",

// Loosely modeled on CSS identifier characters // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier identifier = characterEncoding.replace( "w", "w#" ),

// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + // Operator (capture 2) "*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]",

pseudos = ":(" + characterEncoding + ")(?:\$(" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2) ".*" + ")\$|)",

// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rwhitespace = new RegExp( whitespace + "+", "g" ), rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),

rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),

rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),

rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ),

matchExpr = { "ID": new RegExp( "^#(" + characterEncoding + ")" ), "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\$" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\$|)", "i" ), "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), // For use in libraries implementing .is() // We use this for POS matching in `select` "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\$" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\$|)(?=[^-]|$)", "i" ) },

rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i,

rnative = /^[^{]+\{\s*\[native \w/,

// Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,

rsibling = /[+~]/, rescape = /'|\\/g,

// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), funescape = function( _, escaped, escapedWhitespace ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint // Support: Firefox<24 // Workaround erroneous numeric interpretation of +"0x" return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair) String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); },

// Used for iframes // See setDocument() // Removing the function wrapper causes a "Permission Denied" // error in IE unloadHandler = function() { setDocument(); };

// Optimize for push.apply( _, NodeList ) try { push.apply( (arr = slice.call( preferredDoc.childNodes )), preferredDoc.childNodes ); // Support: Android<4.0 // Detect silently failing push.apply arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { push = { apply: arr.length ?

// Leverage slice if possible function( target, els ) { push_native.apply( target, slice.call(els) ); } :

// Support: IE<9 // Otherwise append directly function( target, els ) { var j = target.length, i = 0; // Can't trust NodeList.length while ( (target[j++] = els[i++]) ) {} target.length = j - 1; } }; }

function Sizzle( selector, context, results, seed ) { var match, elem, m, nodeType, // QSA vars i, groups, old, nid, newContext, newSelector;

if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { setDocument( context ); }

context = context || document; results = results || []; nodeType = context.nodeType;

if ( typeof selector !== "string" || !selector || nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {

return results; }

if ( !seed && documentIsHTML ) {

// Try to shortcut find operations when possible (e.g., not under DocumentFragment) if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { // Speed-up: Sizzle("#ID") if ( (m = match[1]) ) { if ( nodeType === 9 ) { elem = context.getElementById( m ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document (jQuery #6963) if ( elem && elem.parentNode ) { // Handle the case where IE, Opera, and Webkit return items // by name instead of ID if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; } } else { // Context is not a document if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) && contains( context, elem ) && elem.id === m ) { results.push( elem ); return results; } }

// Speed-up: Sizzle("TAG") } else if ( match[2] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results;

// Speed-up: Sizzle(".CLASS") } else if ( (m = match[3]) && support.getElementsByClassName ) { push.apply( results, context.getElementsByClassName( m ) ); return results; } }

// QSA path if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { nid = old = expando; newContext = context; newSelector = nodeType !== 1 && selector;

// qSA works strangely on Element-rooted queries // We can work around this by specifying an extra ID on the root // and working up from there (Thanks to Andrew Dupont for the technique) // IE 8 doesn't work on object elements if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { groups = tokenize( selector );

if ( (old = context.getAttribute("id")) ) { nid = old.replace( rescape, "\\$&" ); } else { context.setAttribute( "id", nid ); } nid = "[id='" + nid + "'] ";

i = groups.length; while ( i-- ) { groups[i] = nid + toSelector( groups[i] ); } newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; newSelector = groups.join(","); }

if ( newSelector ) { try { push.apply( results, newContext.querySelectorAll( newSelector ) ); return results; } catch(qsaError) { } finally { if ( !old ) { context.removeAttribute("id"); } } } } }

// All others return select( selector.replace( rtrim, "$1" ), context, results, seed ); }

/**

* Create key-value caches of limited size
* @returns {Function(string, Object)} Returns the Object data after storing it on itself with
*	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
*	deleting the oldest entry
*/

function createCache() { var keys = [];

function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } return (cache[ key + " " ] = value); } return cache; }

/**

* Mark a function for special use by Sizzle
* @param {Function} fn The function to mark
*/

function markFunction( fn ) { fn[ expando ] = true; return fn; }

/**

* Support testing using an element
* @param {Function} fn Passed the created div and expects a boolean result
*/

function assert( fn ) { var div = document.createElement("div");

try { return !!fn( div ); } catch (e) { return false; } finally { // Remove from its parent by default if ( div.parentNode ) { div.parentNode.removeChild( div ); } // release memory in IE div = null; } }

/**

* Adds the same handler for all of the specified attrs
* @param {String} attrs Pipe-separated list of attributes
* @param {Function} handler The method that will be applied
*/

function addHandle( attrs, handler ) { var arr = attrs.split("|"), i = attrs.length;

while ( i-- ) { Expr.attrHandle[ arr[i] ] = handler; } }

/**

* Checks document order of two siblings
* @param {Element} a
* @param {Element} b
* @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
*/

function siblingCheck( a, b ) { var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE );

// Use IE sourceIndex if available on both nodes if ( diff ) { return diff; }

// Check if b follows a if ( cur ) { while ( (cur = cur.nextSibling) ) { if ( cur === b ) { return -1; } } }

return a ? 1 : -1; }

/**

* Returns a function to use in pseudos for input types
* @param {String} type
*/

function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; }

/**

* Returns a function to use in pseudos for buttons
* @param {String} type
*/

function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; }

/**

* Returns a function to use in pseudos for positionals
* @param {Function} fn
*/

function createPositionalPseudo( fn ) { return markFunction(function( argument ) { argument = +argument; return markFunction(function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length;

// Match elements found at the specified indexes while ( i-- ) { if ( seed[ (j = matchIndexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); }

/**

* Checks a node for validity as a Sizzle context
* @param {Element|Object=} context
* @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
*/

function testContext( context ) { return context && typeof context.getElementsByTagName !== "undefined" && context; }

// Expose support vars for convenience support = Sizzle.support = {};

/**

* Detects XML nodes
* @param {Element|Object} elem An element or a document
* @returns {Boolean} True iff elem is a non-HTML XML node
*/

isXML = Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn't yet exist // (such as loading iframes in IE - #4833) var documentElement = elem && (elem.ownerDocument || elem).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; };

/**

* Sets document-related variables once based on the current document
* @param {Element|Object} [doc] An element or document object to use to set the document
* @returns {Object} Returns the current document
*/

setDocument = Sizzle.setDocument = function( node ) { var hasCompare, parent, doc = node ? node.ownerDocument || node : preferredDoc;

// If no document and documentElement is available, return if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { return document; }

// Set our document document = doc; docElem = doc.documentElement; parent = doc.defaultView;

// Support: IE>8 // If iframe document is assigned to "document" variable and if iframe has been reloaded, // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 // IE6-8 do not support the defaultView property so parent will be undefined if ( parent && parent !== parent.top ) { // IE11 does not have attachEvent, so all must suffer if ( parent.addEventListener ) { parent.addEventListener( "unload", unloadHandler, false ); } else if ( parent.attachEvent ) { parent.attachEvent( "onunload", unloadHandler ); } }

/* Support tests ---------------------------------------------------------------------- */ documentIsHTML = !isXML( doc );

/* Attributes ---------------------------------------------------------------------- */

// Support: IE<8 // Verify that getAttribute really returns attributes and not properties // (excepting IE8 booleans) support.attributes = assert(function( div ) { div.className = "i"; return !div.getAttribute("className"); });

/* getElement(s)By* ---------------------------------------------------------------------- */

// Check if getElementsByTagName("*") returns only elements support.getElementsByTagName = assert(function( div ) { div.appendChild( doc.createComment("") ); return !div.getElementsByTagName("*").length; });

// Support: IE<9 support.getElementsByClassName = rnative.test( doc.getElementsByClassName );

// Support: IE<10 // Check if getElementById returns elements by name // The broken getElementById methods don't pick up programatically-set names, // so use a roundabout getElementsByName test support.getById = assert(function( div ) { docElem.appendChild( div ).id = expando; return !doc.getElementsByName || !doc.getElementsByName( expando ).length; });

// ID find and filter if ( support.getById ) { Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var m = context.getElementById( id ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 return m && m.parentNode ? [ m ] : []; } }; Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute("id") === attrId; }; }; } else { // Support: IE6/7 // getElementById is not reliable as a find shortcut delete Expr.find["ID"];

Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return node && node.value === attrId; }; }; }

// Tag Expr.find["TAG"] = support.getElementsByTagName ? function( tag, context ) { if ( typeof context.getElementsByTagName !== "undefined" ) { return context.getElementsByTagName( tag );

// DocumentFragment nodes don't have gEBTN } else if ( support.qsa ) { return context.querySelectorAll( tag ); } } :

function( tag, context ) { var elem, tmp = [], i = 0, // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too results = context.getElementsByTagName( tag );

// Filter out possible comments if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } }

return tmp; } return results; };

// Class Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { if ( documentIsHTML ) { return context.getElementsByClassName( className ); } };

/* QSA/matchesSelector ---------------------------------------------------------------------- */

// QSA and matchesSelector support

// matchesSelector(:active) reports false when true (IE9/Opera 11.5) rbuggyMatches = [];

// qSa(:focus) reports false when true (Chrome 21) // We allow this because of a bug in IE8/9 that throws an error // whenever `document.activeElement` is accessed on an iframe // So, we allow :focus to pass through QSA all the time to avoid the IE error // See http://bugs.jquery.com/ticket/13378 rbuggyQSA = [];

if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) { // Build QSA regex // Regex strategy adopted from Diego Perini assert(function( div ) { // Select is set to empty string on purpose // This is to test IE's treatment of not explicitly // setting a boolean content attribute, // since its presence should be enough // http://bugs.jquery.com/ticket/12359 docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" + "<select id='" + expando + "-\f]' msallowcapture=>" + "<option selected=></option></select>";

// Support: IE8, Opera 11-12.16 // Nothing should be selected when empty strings follow ^= or $= or *= // The test attribute must be unknown in Opera but "safe" for WinRT // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section if ( div.querySelectorAll("[msallowcapture^=]").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:|\"\")" ); }

// Support: IE8 // Boolean attributes and "value" are not treated correctly if ( !div.querySelectorAll("[selected]").length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); }

// Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+ if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) { rbuggyQSA.push("~="); }

// Webkit/Opera - :checked should return selected option elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked // IE8 throws error here and will not see later tests if ( !div.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); }

// Support: Safari 8+, iOS 8+ // https://bugs.webkit.org/show_bug.cgi?id=136851 // In-page `selector#id sibing-combinator selector` fails if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) { rbuggyQSA.push(".#.+[+~]"); } });

assert(function( div ) { // Support: Windows 8 Native Apps // The type and name attributes are restricted during .innerHTML assignment var input = doc.createElement("input"); input.setAttribute( "type", "hidden" ); div.appendChild( input ).setAttribute( "name", "D" );

// Support: IE8 // Enforce case-sensitivity of name attribute if ( div.querySelectorAll("[name=d]").length ) { rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); }

// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here and will not see later tests if ( !div.querySelectorAll(":enabled").length ) { rbuggyQSA.push( ":enabled", ":disabled" ); }

// Opera 10-11 does not throw on post-comma invalid pseudos div.querySelectorAll("*,:x"); rbuggyQSA.push(",.*:"); }); }

if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) {

assert(function( div ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) support.disconnectedMatch = matches.call( div, "div" );

// This should fail with an exception // Gecko does not error, returns false instead matches.call( div, "[s!=]:x" ); rbuggyMatches.push( "!=", pseudos ); }); }

rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );

/* Contains ---------------------------------------------------------------------- */ hasCompare = rnative.test( docElem.compareDocumentPosition );

// Element contains another // Purposefully does not implement inclusive descendent // As in, an element does not contain itself contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } } return false; };

/* Sorting ---------------------------------------------------------------------- */

// Document order sorting sortOrder = hasCompare ? function( a, b ) {

// Flag for duplicate removal if ( a === b ) { hasDuplicate = true; return 0; }

// Sort on method existence if only one input has compareDocumentPosition var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { return compare; }

// Calculate position if both inputs belong to the same document compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) :

// Otherwise we know they are disconnected 1;

// Disconnected nodes if ( compare & 1 || (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {

// Choose the first element that is related to our preferred document if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { return -1; } if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { return 1; }

// Maintain original order return sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; }

return compare & 4 ? -1 : 1; } : function( a, b ) { // Exit early if the nodes are identical if ( a === b ) { hasDuplicate = true; return 0; }

var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ];

// Parentless nodes are either documents or disconnected if ( !aup || !bup ) { return a === doc ? -1 : b === doc ? 1 : aup ? -1 : bup ? 1 : sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0;

// If the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); }

// Otherwise we need full lists of their ancestors for comparison cur = a; while ( (cur = cur.parentNode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentNode) ) { bp.unshift( cur ); }

// Walk down the tree looking for a discrepancy while ( ap[i] === bp[i] ) { i++; }

return i ? // Do a sibling check if the nodes have a common ancestor siblingCheck( ap[i], bp[i] ) :

// Otherwise nodes in our document sort first ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0; };

return doc; };

Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); };

Sizzle.matchesSelector = function( elem, expr ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }

// Make sure that attribute selectors are quoted expr = expr.replace( rattributeQuotes, "='$1']" );

if ( support.matchesSelector && documentIsHTML && ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {

try { var ret = matches.call( elem, expr );

// IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch (e) {} }

return Sizzle( expr, document, null, [ elem ] ).length > 0; };

Sizzle.contains = function( context, elem ) { // Set document vars if needed if ( ( context.ownerDocument || context ) !== document ) { setDocument( context ); } return contains( context, elem ); };

Sizzle.attr = function( elem, name ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }

var fn = Expr.attrHandle[ name.toLowerCase() ], // Don't get fooled by Object.prototype properties (jQuery #13807) val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined;

return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null; };

Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); };

/**

* Document sorting and removing duplicates
* @param {ArrayLike} results
*/

Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0;

// Unless we *know* we can detect duplicates, assume their presence hasDuplicate = !support.detectDuplicates; sortInput = !support.sortStable && results.slice( 0 ); results.sort( sortOrder );

if ( hasDuplicate ) { while ( (elem = results[i++]) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } }

// Clear input after sorting to release objects // See https://github.com/jquery/sizzle/pull/225 sortInput = null;

return results; };

/**

* Utility function for retrieving the text value of an array of DOM nodes
* @param {Array|Element} elem
*/

getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType;

if ( !nodeType ) { // If no nodeType, this is expected to be an array while ( (node = elem[i++]) ) { // Do not traverse comment nodes ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (jQuery #11153) if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { // Traverse its children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { ret += getText( elem ); } } } else if ( nodeType === 3 || nodeType === 4 ) { return elem.nodeValue; } // Do not include comment or processing instruction nodes

return ret; };

Expr = Sizzle.selectors = {

// Can be adjusted by the user cacheLength: 50,

createPseudo: markFunction,

match: matchExpr,

attrHandle: {},

find: {},

relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } },

preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( runescape, funescape );

// Move the given value to match[3] whether quoted or unquoted match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );

if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; }

return match.slice( 0, 4 ); },

"CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].toLowerCase();

if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[3] ) { Sizzle.error( match[0] ); }

// numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );

// other types prohibit arguments } else if ( match[3] ) { Sizzle.error( match[0] ); }

return match; },

"PSEUDO": function( match ) { var excess, unquoted = !match[6] && match[2];

if ( matchExpr["CHILD"].test( match[0] ) ) { return null; }

// Accept quoted arguments as-is if ( match[3] ) { match[2] = match[4] || match[5] || "";

// Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively) (excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {

// excess is a negative index match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); }

// Return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } },

filter: {

"TAG": function( nodeNameSelector ) { var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? function() { return true; } : function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; },

"CLASS": function( className ) { var pattern = classCache[ className + " " ];

return pattern || (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && classCache( className, function( elem ) { return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); }); },

"ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name );

if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; }

result += "";

return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; },

"CHILD": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type";

return first === 1 && last === 0 ?

// Shortcut for :nth-*(n) function( elem ) { return !!elem.parentNode; } :

function( elem, context, xml ) { var cache, outerCache, node, diff, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType;

if ( parent ) {

// :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { return false; } } // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } return true; }

start = [ forward ? parent.firstChild : parent.lastChild ];

// non-xml :nth-child(...) stores cache data on `parent` if ( forward && useCache ) { // Seek `elem` from a previously-cached index outerCache = parent[ expando ] || (parent[ expando ] = {}); cache = outerCache[ type ] || []; nodeIndex = cache[0] === dirruns && cache[1]; diff = cache[0] === dirruns && cache[2]; node = nodeIndex && parent.childNodes[ nodeIndex ];

while ( (node = ++nodeIndex && node && node[ dir ] ||

// Fallback to seeking `elem` from the start (diff = nodeIndex = 0) || start.pop()) ) {

// When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { outerCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } }

// Use previously-cached element index if available } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { diff = cache[1];

// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) } else { // Use the same loop as above to seek `elem` from the start while ( (node = ++nodeIndex && node && node[ dir ] || (diff = nodeIndex = 0) || start.pop()) ) {

if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { // Cache the index of each encountered element if ( useCache ) { (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; }

if ( node === elem ) { break; } } } }

// Incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; },

"PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo );

// The user may use createPseudo to indicate that // arguments are needed to create the filter function // just as Sizzle does if ( fn[ expando ] ) { return fn( argument ); }

// But maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; }

return fn; } },

pseudos: { // Potentially complex pseudos "not": markFunction(function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) );

return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length;

// Match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); // Don't keep the element (issue #299) input[0] = null; return !results.pop(); }; }),

"has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }),

"contains": markFunction(function( text ) { text = text.replace( runescape, funescape ); return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }),

// "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {

elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); return false; }; }),

// Miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; },

"root": function( elem ) { return elem === docElem; },

"focus": function( elem ) { return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); },

// Boolean properties "enabled": function( elem ) { return elem.disabled === false; },

"disabled": function( elem ) { return elem.disabled === true; },

"checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); },

"selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { elem.parentNode.selectedIndex; }

return elem.selected === true; },

// Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; },

"parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); },

// Element/input types "header": function( elem ) { return rheader.test( elem.nodeName ); },

"input": function( elem ) { return rinputs.test( elem.nodeName ); },

"button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; },

"text": function( elem ) { var attr; return elem.nodeName.toLowerCase() === "input" && elem.type === "text" &&

// Support: IE<8 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); },

// Position-in-collection "first": createPositionalPseudo(function() { return [ 0 ]; }),

"last": createPositionalPseudo(function( matchIndexes, length ) { return [ length - 1 ]; }),

"eq": createPositionalPseudo(function( matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }),

"even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),

"odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),

"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }),

"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } };

Expr.pseudos["nth"] = Expr.pseudos["eq"];

// Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); }

// Easy API for creating new setFilters function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters();

tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ];

if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); }

soFar = selector; groups = []; preFilters = Expr.preFilter;

while ( soFar ) {

// Comma and first run if ( !matched || (match = rcomma.exec( soFar )) ) { if ( match ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[0].length ) || soFar; } groups.push( (tokens = []) ); }

matched = false;

// Combinators if ( (match = rcombinators.exec( soFar )) ) { matched = match.shift(); tokens.push({ value: matched, // Cast descendant combinators to space type: match[0].replace( rtrim, " " ) }); soFar = soFar.slice( matched.length ); }

// Filters for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); soFar = soFar.slice( matched.length ); } }

if ( !matched ) { break; } }

// Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); };

function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; }

function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, checkNonElements = base && dir === "parentNode", doneName = done++;

return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } } :

// Check against all ancestor/preceding elements function( elem, context, xml ) { var oldCache, outerCache, newCache = [ dirruns, doneName ];

// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {}); if ( (oldCache = outerCache[ dir ]) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {

// Assign to newCache so results back-propagate to previous elements return (newCache[ 2 ] = oldCache[ 2 ]); } else { // Reuse newcache so results back-propagate to previous elements outerCache[ dir ] = newCache;

// A match means we're done; a fail means we have to keep checking if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } }; }

function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; }

function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null;

for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } }

return newUnmatched; }

function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction(function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length,

// Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),

// Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems,

matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ?

// ...intermediate processing is necessary [] :

// ...otherwise use results directly results : matcherIn;

// Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); }

// Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml );

// Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } }

if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); }

// Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {

seed[temp] = !(results[temp] = elem); } } }

// Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); }

function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0,

// The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); // Avoid hanging onto element (issue #299) checkContext = null; return ret; } ];

for ( ; i < len; i++ ) { if ( (matcher = Expr.relative[ tokens[i].type ]) ) { matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; } else { matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );

// Return special upon seeing a positional matcher if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[j].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*` tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } }

return elementMatcher( matchers ); }

function matcherFromGroupMatchers( elementMatchers, setMatchers ) { var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedCount = 0, i = "0", unmatched = seed && [], setMatched = [], contextBackup = outermostContext, // We must always have either seed elements or outermost context elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), // Use integer dirruns iff this is the outermost matcher dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), len = elems.length;

if ( outermost ) { outermostContext = context !== document && context; }

// Add elements passing elementMatchers directly to results // Keep `i` a string if there are no elements so `matchedCount` will be "00" below // Support: IE<9, Safari // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context, xml ) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } }

// Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedCount--; }

// Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } }

// Apply set filters to unmatched elements matchedCount += i; if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); }

if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } }

// Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); }

// Add matches to results push.apply( results, setMatched );

// Seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) {

Sizzle.uniqueSort( results ); } }

// Override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; }

return unmatched; };

return bySet ? markFunction( superMatcher ) : superMatcher; }

compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ];

if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } }

// Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );

// Save selector and tokenization cached.selector = selector; } return cached; };

/**

* A low-level selection function that works with Sizzle's compiled
*  selector functions
* @param {String|Function} selector A selector or a pre-compiled
*  selector function built with Sizzle.compile
* @param {Element} context
* @param {Array} [results]
* @param {Array} [seed] A set of elements to match against
*/

select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) );

results = results || [];

// Try to minimize operations if there is no seed and only one group if ( match.length === 1 ) {

// Take a shortcut and set the context if the root selector is an ID tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && support.getById && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {

context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; if ( !context ) { return results;

// Precompiled matchers will still verify ancestry, so step up a level } else if ( compiled ) { context = context.parentNode; }

selector = selector.slice( tokens.shift().value.length ); }

// Fetch a seed set for right-to-left matching i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i];

// Abort if we hit a combinator if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context )) ) {

// If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; }

break; } } } }

// Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; };

// One-time assignments

// Sort stability support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;

// Support: Chrome 14-35+ // Always assume duplicates if they aren't passed to the comparison function support.detectDuplicates = !!hasDuplicate;

// Initialize against the default document setDocument();

// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) // Detached nodes confoundingly follow *each other* support.sortDetached = assert(function( div1 ) { // Should return 1, but returns 4 (following) return div1.compareDocumentPosition( document.createElement("div") ) & 1; });

// Support: IE<8 // Prevent attribute/property "interpolation" // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !assert(function( div ) { div.innerHTML = "<a href='#'></a>"; return div.firstChild.getAttribute("href") === "#" ; }) ) { addHandle( "type|href|height|width", function( elem, name, isXML ) { if ( !isXML ) { return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); } }); }

// Support: IE<9 // Use defaultValue in place of getAttribute("value") if ( !support.attributes || !assert(function( div ) { div.innerHTML = "<input/>"; div.firstChild.setAttribute( "value", "" ); return div.firstChild.getAttribute( "value" ) === ""; }) ) { addHandle( "value", function( elem, name, isXML ) { if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { return elem.defaultValue; } }); }

// Support: IE<9 // Use getAttributeNode to fetch booleans when getAttribute lies if ( !assert(function( div ) { return div.getAttribute("disabled") == null; }) ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { return elem[ name ] === true ? name.toLowerCase() : (val = elem.getAttributeNode( name )) && val.specified ? val.value : null; } }); }

return Sizzle;

})( window );

jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; jQuery.expr[":"] = jQuery.expr.pseudos; jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains;

var rneedsContext = jQuery.expr.match.needsContext;

var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);

var risSimple = /^.[^:#\[\.,]*$/;

// Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( jQuery.isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { /* jshint -W018 */ return !!qualifier.call( elem, i, elem ) !== not; });

}

if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; });

}

if ( typeof qualifier === "string" ) { if ( risSimple.test( qualifier ) ) { return jQuery.filter( qualifier, elements, not ); }

qualifier = jQuery.filter( qualifier, elements ); }

return jQuery.grep( elements, function( elem ) { return ( indexOf.call( qualifier, elem ) >= 0 ) !== not; }); }

jQuery.filter = function( expr, elems, not ) { var elem = elems[ 0 ];

if ( not ) { expr = ":not(" + expr + ")"; }

return elems.length === 1 && elem.nodeType === 1 ? jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { return elem.nodeType === 1; })); };

jQuery.fn.extend({ find: function( selector ) { var i, len = this.length, ret = [], self = this;

if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter(function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } }) ); }

for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); }

// Needed because $( selector, context ) becomes $( context ).find( selector ) ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); ret.selector = this.selector ? this.selector + " " + selector : selector; return ret; }, filter: function( selector ) { return this.pushStack( winnow(this, selector || [], false) ); }, not: function( selector ) { return this.pushStack( winnow(this, selector || [], true) ); }, is: function( selector ) { return !!winnow( this,

// If this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } });

// Initialize a jQuery object

// A central reference to the root jQuery(document) var rootjQuery,

// A simple way to check for HTML strings // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,

init = jQuery.fn.init = function( selector, context ) { var match, elem;

// HANDLE: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; }

// Handle HTML strings if ( typeof selector === "string" ) { if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { // Assume that strings that start and end with <> are HTML and skip the regex check match = [ null, selector, null ];

} else { match = rquickExpr.exec( selector ); }

// Match html or make sure no context is specified for #id if ( match && (match[1] || !context) ) {

// HANDLE: $(html) -> $(array) if ( match[1] ) { context = context instanceof jQuery ? context[0] : context;

// Option to run scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[1], context && context.nodeType ? context.ownerDocument || context : document, true ) );

// HANDLE: $(html, props) if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) { // Properties of context are called as methods if possible if ( jQuery.isFunction( this[ match ] ) ) { this[ match ]( context[ match ] );

// ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } }

return this;

// HANDLE: $(#id) } else { elem = document.getElementById( match[2] );

// Support: Blackberry 4.6 // gEBID returns nodes no longer in the document (#6963) if ( elem && elem.parentNode ) { // Inject the element directly into the jQuery object this.length = 1; this[0] = elem; }

this.context = document; this.selector = selector; return this; }

// HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || rootjQuery ).find( selector );

// HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); }

// HANDLE: $(DOMElement) } else if ( selector.nodeType ) { this.context = this[0] = selector; this.length = 1; return this;

// HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { return typeof rootjQuery.ready !== "undefined" ? rootjQuery.ready( selector ) : // Execute immediately if ready is not present selector( jQuery ); }

if ( selector.selector !== undefined ) { this.selector = selector.selector; this.context = selector.context; }

return jQuery.makeArray( selector, this ); };

// Give the init function the jQuery prototype for later instantiation init.prototype = jQuery.fn;

// Initialize central reference rootjQuery = jQuery( document );

var rparentsprev = /^(?:parents|prev(?:Until|All))/, // Methods guaranteed to produce a unique set when starting from a unique set guaranteedUnique = { children: true, contents: true, next: true, prev: true };

jQuery.extend({ dir: function( elem, dir, until ) { var matched = [], truncate = until !== undefined;

while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; },

sibling: function( n, elem ) { var matched = [];

for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { matched.push( n ); } }

return matched; } });

jQuery.fn.extend({ has: function( target ) { var targets = jQuery( target, this ), l = targets.length;

return this.filter(function() { var i = 0; for ( ; i < l; i++ ) { if ( jQuery.contains( this, targets[i] ) ) { return true; } } }); },

closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? jQuery( selectors, context || this.context ) : 0;

for ( ; i < l; i++ ) { for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) { // Always skip document fragments if ( cur.nodeType < 11 && (pos ? pos.index(cur) > -1 :

// Don't pass non-elements to Sizzle cur.nodeType === 1 && jQuery.find.matchesSelector(cur, selectors)) ) {

matched.push( cur ); break; } } }

return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); },

// Determine the position of an element within the set index: function( elem ) {

// No argument, return index in parent if ( !elem ) { return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; }

// Index in selector if ( typeof elem === "string" ) { return indexOf.call( jQuery( elem ), this[ 0 ] ); }

// Locate the position of the desired element return indexOf.call( this,

// If it receives a jQuery object, the first element is used elem.jquery ? elem[ 0 ] : elem ); },

add: function( selector, context ) { return this.pushStack( jQuery.unique( jQuery.merge( this.get(), jQuery( selector, context ) ) ) ); },

addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter(selector) ); } });

function sibling( cur, dir ) { while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {} return cur; }

jQuery.each({ parent: function( elem ) { var parent = elem.parentNode; return parent && parent.nodeType !== 11 ? parent : null; }, parents: function( elem ) { return jQuery.dir( elem, "parentNode" ); }, parentsUntil: function( elem, i, until ) { return jQuery.dir( elem, "parentNode", until ); }, next: function( elem ) { return sibling( elem, "nextSibling" ); }, prev: function( elem ) { return sibling( elem, "previousSibling" ); }, nextAll: function( elem ) { return jQuery.dir( elem, "nextSibling" ); }, prevAll: function( elem ) { return jQuery.dir( elem, "previousSibling" ); }, nextUntil: function( elem, i, until ) { return jQuery.dir( elem, "nextSibling", until ); }, prevUntil: function( elem, i, until ) { return jQuery.dir( elem, "previousSibling", until ); }, siblings: function( elem ) { return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem ); }, children: function( elem ) { return jQuery.sibling( elem.firstChild ); }, contents: function( elem ) { return elem.contentDocument || jQuery.merge( [], elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var matched = jQuery.map( this, fn, until );

if ( name.slice( -5 ) !== "Until" ) { selector = until; }

if ( selector && typeof selector === "string" ) { matched = jQuery.filter( selector, matched ); }

if ( this.length > 1 ) { // Remove duplicates if ( !guaranteedUnique[ name ] ) { jQuery.unique( matched ); }

// Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { matched.reverse(); } }

return this.pushStack( matched ); }; }); var rnotwhite = (/\S+/g);

// String to Object options format cache var optionsCache = {};

// Convert String-formatted options into Object-formatted ones and store in cache function createOptions( options ) { var object = optionsCache[ options ] = {}; jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { object[ flag ] = true; }); return object; }

/*

* Create a callback list using the following parameters:
*
*	options: an optional list of space-separated options that will change how
*			the callback list behaves or a more traditional option object
*
* By default a callback list will act like an event callback list and can be
* "fired" multiple times.
*
* Possible options:
*
*	once:			will ensure the callback list can only be fired once (like a Deferred)
*
*	memory:			will keep track of previous values and will call any callback added
*					after the list has been fired right away with the latest "memorized"
*					values (like a Deferred)
*
*	unique:			will ensure a callback can only be added once (no duplicate in the list)
*
*	stopOnFalse:	interrupt callings when a callback returns false
*
*/

jQuery.Callbacks = function( options ) {

// Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? ( optionsCache[ options ] || createOptions( options ) ) : jQuery.extend( {}, options );

var // Last fire value (for non-forgettable lists) memory, // Flag to know if list was already fired fired, // Flag to know if list is currently firing firing, // First callback to fire (used internally by add and fireWith) firingStart, // End of the loop when firing firingLength, // Index of currently firing callback (modified by remove if needed) firingIndex, // Actual callback list list = [], // Stack of fire calls for repeatable lists stack = !options.once && [], // Fire callbacks fire = function( data ) { memory = options.memory && data; fired = true; firingIndex = firingStart || 0; firingStart = 0; firingLength = list.length; firing = true; for ( ; list && firingIndex < firingLength; firingIndex++ ) { if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { memory = false; // To prevent further calls using add break; } } firing = false; if ( list ) { if ( stack ) { if ( stack.length ) { fire( stack.shift() ); } } else if ( memory ) { list = []; } else { self.disable(); } } }, // Actual Callbacks object self = { // Add a callback or a collection of callbacks to the list add: function() { if ( list ) { // First, we save the current length var start = list.length; (function add( args ) { jQuery.each( args, function( _, arg ) { var type = jQuery.type( arg ); if ( type === "function" ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && type !== "string" ) { // Inspect recursively add( arg ); } }); })( arguments ); // Do we need to add the callbacks to the // current firing batch? if ( firing ) { firingLength = list.length; // With memory, if we're not firing then // we should call right away } else if ( memory ) { firingStart = start; fire( memory ); } } return this; }, // Remove a callback from the list remove: function() { if ( list ) { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // Handle firing indexes if ( firing ) { if ( index <= firingLength ) { firingLength--; } if ( index <= firingIndex ) { firingIndex--; } } } }); } return this; }, // Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); }, // Remove all callbacks from the list empty: function() { list = []; firingLength = 0; return this; }, // Have the list do nothing anymore disable: function() { list = stack = memory = undefined; return this; }, // Is it disabled? disabled: function() { return !list; }, // Lock the list in its current state lock: function() { stack = undefined; if ( !memory ) { self.disable(); } return this; }, // Is it locked? locked: function() { return !stack; }, // Call all callbacks with the given context and arguments fireWith: function( context, args ) { if ( list && ( !fired || stack ) ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; if ( firing ) { stack.push( args ); } else { fire( args ); } } return this; }, // Call all the callbacks with the given arguments fire: function() { self.fireWith( this, arguments ); return this; }, // To know if the callbacks have already been called at least once fired: function() { return !!fired; } };

return self; };

jQuery.extend({

Deferred: function( func ) { var tuples = [ // action, add listener, listener list, final state [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], [ "notify", "progress", jQuery.Callbacks("memory") ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, then: function( /* fnDone, fnFail, fnProgress */ ) { var fns = arguments; return jQuery.Deferred(function( newDefer ) { jQuery.each( tuples, function( i, tuple ) { var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; // deferred[ done | fail | progress ] for forwarding actions to newDefer deferred[ tuple[1] ](function() { var returned = fn && fn.apply( this, arguments ); if ( returned && jQuery.isFunction( returned.promise ) ) { returned.promise() .done( newDefer.resolve ) .fail( newDefer.reject ) .progress( newDefer.notify ); } else { newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); } }); }); fns = null; }).promise(); }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {};

// Keep pipe for back-compat promise.pipe = promise.then;

// Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 3 ];

// promise[ done | fail | progress ] = list.add promise[ tuple[1] ] = list.add;

// Handle state if ( stateString ) { list.add(function() { // state = [ resolved | rejected ] state = stateString;

// [ reject_list | resolve_list ].disable; progress_list.lock }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); }

// deferred[ resolve | reject | notify ] deferred[ tuple[0] ] = function() { deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); return this; }; deferred[ tuple[0] + "With" ] = list.fireWith; });

// Make the deferred a promise promise.promise( deferred );

// Call given func if any if ( func ) { func.call( deferred, deferred ); }

// All done! return deferred; },

// Deferred helper when: function( subordinate /* , ..., subordinateN */ ) { var i = 0, resolveValues = slice.call( arguments ), length = resolveValues.length,

// the count of uncompleted subordinates remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,

// the master Deferred. If resolveValues consist of only a single Deferred, just use that. deferred = remaining === 1 ? subordinate : jQuery.Deferred(),

// Update function for both resolve and progress values updateFunc = function( i, contexts, values ) { return function( value ) { contexts[ i ] = this; values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( values === progressValues ) { deferred.notifyWith( contexts, values ); } else if ( !( --remaining ) ) { deferred.resolveWith( contexts, values ); } }; },

progressValues, progressContexts, resolveContexts;

// Add listeners to Deferred subordinates; treat others as resolved if ( length > 1 ) { progressValues = new Array( length ); progressContexts = new Array( length ); resolveContexts = new Array( length ); for ( ; i < length; i++ ) { if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { resolveValues[ i ].promise() .done( updateFunc( i, resolveContexts, resolveValues ) ) .fail( deferred.reject ) .progress( updateFunc( i, progressContexts, progressValues ) ); } else { --remaining; } } }

// If we're not waiting on anything, resolve the master if ( !remaining ) { deferred.resolveWith( resolveContexts, resolveValues ); }

return deferred.promise(); } });

// The deferred used on DOM ready var readyList;

jQuery.fn.ready = function( fn ) { // Add the callback jQuery.ready.promise().done( fn );

return this; };

jQuery.extend({ // Is the DOM ready to be used? Set to true once it occurs. isReady: false,

// A counter to track how many items to wait for before // the ready event fires. See #6781 readyWait: 1,

// Hold (or release) the ready event holdReady: function( hold ) { if ( hold ) { jQuery.readyWait++; } else { jQuery.ready( true ); } },

// Handle when the DOM is ready ready: function( wait ) {

// Abort if there are pending holds or we're already ready if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; }

// Remember that the DOM is ready jQuery.isReady = true;

// If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; }

// If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] );

// Trigger any bound ready events if ( jQuery.fn.triggerHandler ) { jQuery( document ).triggerHandler( "ready" ); jQuery( document ).off( "ready" ); } } });

/**

* The ready event handler and self cleanup method
*/

function completed() { document.removeEventListener( "DOMContentLoaded", completed, false ); window.removeEventListener( "load", completed, false ); jQuery.ready(); }

jQuery.ready.promise = function( obj ) { if ( !readyList ) {

readyList = jQuery.Deferred();

// Catch cases where $(document).ready() is called after the browser event has already occurred. // We once tried to use readyState "interactive" here, but it caused issues like the one // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 if ( document.readyState === "complete" ) { // Handle it asynchronously to allow scripts the opportunity to delay ready setTimeout( jQuery.ready );

} else {

// Use the handy event callback document.addEventListener( "DOMContentLoaded", completed, false );

// A fallback to window.onload, that will always work window.addEventListener( "load", completed, false ); } } return readyList.promise( obj ); };

// Kick off the DOM ready check even if the user does not jQuery.ready.promise();

// Multifunctional method to get and set values of a collection // The value/s can optionally be executed if it's a function var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) { var i = 0, len = elems.length, bulk = key == null;

// Sets many values if ( jQuery.type( key ) === "object" ) { chainable = true; for ( i in key ) { jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); }

// Sets one value } else if ( value !== undefined ) { chainable = true;

if ( !jQuery.isFunction( value ) ) { raw = true; }

if ( bulk ) { // Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null;

// ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } }

if ( fn ) { for ( ; i < len; i++ ) { fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); } } }

return chainable ? elems :

// Gets bulk ? fn.call( elems ) : len ? fn( elems[0], key ) : emptyGet; };

/**

* Determines whether an object can have data
*/

jQuery.acceptData = function( owner ) { // Accepts only: // - Node // - Node.ELEMENT_NODE // - Node.DOCUMENT_NODE // - Object // - Any /* jshint -W018 */ return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); };

function Data() { // Support: Android<4, // Old WebKit does not have Object.preventExtensions/freeze method, // return new empty object instead with no set accessor Object.defineProperty( this.cache = {}, 0, { get: function() { return {}; } });

this.expando = jQuery.expando + Data.uid++; }

Data.uid = 1; Data.accepts = jQuery.acceptData;

Data.prototype = { key: function( owner ) { // We can accept data for non-element nodes in modern browsers, // but we should not, see #8335. // Always return the key for a frozen object. if ( !Data.accepts( owner ) ) { return 0; }

var descriptor = {}, // Check if the owner object already has a cache key unlock = owner[ this.expando ];

// If not, create one if ( !unlock ) { unlock = Data.uid++;

// Secure it in a non-enumerable, non-writable property try { descriptor[ this.expando ] = { value: unlock }; Object.defineProperties( owner, descriptor );

// Support: Android<4 // Fallback to a less secure definition } catch ( e ) { descriptor[ this.expando ] = unlock; jQuery.extend( owner, descriptor ); } }

// Ensure the cache object if ( !this.cache[ unlock ] ) { this.cache[ unlock ] = {}; }

return unlock; }, set: function( owner, data, value ) { var prop, // There may be an unlock assigned to this node, // if there is no entry for this "owner", create one inline // and set the unlock as though an owner entry had always existed unlock = this.key( owner ), cache = this.cache[ unlock ];

// Handle: [ owner, key, value ] args if ( typeof data === "string" ) { cache[ data ] = value;

// Handle: [ owner, { properties } ] args } else { // Fresh assignments by object are shallow copied if ( jQuery.isEmptyObject( cache ) ) { jQuery.extend( this.cache[ unlock ], data ); // Otherwise, copy the properties one-by-one to the cache object } else { for ( prop in data ) { cache[ prop ] = data[ prop ]; } } } return cache; }, get: function( owner, key ) { // Either a valid cache is found, or will be created. // New caches will be created and the unlock returned, // allowing direct access to the newly created // empty data object. A valid owner object must be provided. var cache = this.cache[ this.key( owner ) ];

return key === undefined ? cache : cache[ key ]; }, access: function( owner, key, value ) { var stored; // In cases where either: // // 1. No key was specified // 2. A string key was specified, but no value provided // // Take the "read" path and allow the get method to determine // which value to return, respectively either: // // 1. The entire cache object // 2. The data stored at the key // if ( key === undefined || ((key && typeof key === "string") && value === undefined) ) {

stored = this.get( owner, key );

return stored !== undefined ? stored : this.get( owner, jQuery.camelCase(key) ); }

// [*]When the key is not a string, or both a key and value // are specified, set or extend (existing objects) with either: // // 1. An object of properties // 2. A key and value // this.set( owner, key, value );

// Since the "set" path can have two possible entry points // return the expected data based on which path was taken[*] return value !== undefined ? value : key; }, remove: function( owner, key ) { var i, name, camel, unlock = this.key( owner ), cache = this.cache[ unlock ];

if ( key === undefined ) { this.cache[ unlock ] = {};

} else { // Support array or space separated string of keys if ( jQuery.isArray( key ) ) { // If "name" is an array of keys... // When data is initially created, via ("key", "val") signature, // keys will be converted to camelCase. // Since there is no way to tell _how_ a key was added, remove // both plain key and camelCase key. #12786 // This will only penalize the array argument path. name = key.concat( key.map( jQuery.camelCase ) ); } else { camel = jQuery.camelCase( key ); // Try the string as a key before any manipulation if ( key in cache ) { name = [ key, camel ]; } else { // If a key with the spaces exists, use it. // Otherwise, create an array by matching non-whitespace name = camel; name = name in cache ? [ name ] : ( name.match( rnotwhite ) || [] ); } }

i = name.length; while ( i-- ) { delete cache[ name[ i ] ]; } } }, hasData: function( owner ) { return !jQuery.isEmptyObject( this.cache[ owner[ this.expando ] ] || {} ); }, discard: function( owner ) { if ( owner[ this.expando ] ) { delete this.cache[ owner[ this.expando ] ]; } } }; var data_priv = new Data();

var data_user = new Data();

// Implementation Summary // // 1. Enforce API surface and semantic compatibility with 1.9.x branch // 2. Improve the module's maintainability by reducing the storage // paths to a single mechanism. // 3. Use the same single mechanism to support "private" and "user" data. // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) // 5. Avoid exposing implementation details on user objects (eg. expando properties) // 6. Provide a clear path for implementation upgrade to WeakMap in 2014

var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /([A-Z])/g;

function dataAttr( elem, key, data ) { var name;

// If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) { name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); data = elem.getAttribute( name );

if ( typeof data === "string" ) { try { data = data === "true" ? true : data === "false" ? false : data === "null" ? null : // Only convert to a number if it doesn't change the string +data + "" === data ? +data : rbrace.test( data ) ? jQuery.parseJSON( data ) : data; } catch( e ) {}

// Make sure we set the data so it isn't changed later data_user.set( elem, key, data ); } else { data = undefined; } } return data; }

jQuery.extend({ hasData: function( elem ) { return data_user.hasData( elem ) || data_priv.hasData( elem ); },

data: function( elem, name, data ) { return data_user.access( elem, name, data ); },

removeData: function( elem, name ) { data_user.remove( elem, name ); },

// TODO: Now that all calls to _data and _removeData have been replaced // with direct calls to data_priv methods, these can be deprecated. _data: function( elem, name, data ) { return data_priv.access( elem, name, data ); },

_removeData: function( elem, name ) { data_priv.remove( elem, name ); } });

jQuery.fn.extend({ data: function( key, value ) { var i, name, data, elem = this[ 0 ], attrs = elem && elem.attributes;

// Gets all values if ( key === undefined ) { if ( this.length ) { data = data_user.get( elem );

if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) { i = attrs.length; while ( i-- ) {

// Support: IE11+ // The attrs elements can be null (#14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { name = jQuery.camelCase( name.slice(5) ); dataAttr( elem, name, data[ name ] ); } } } data_priv.set( elem, "hasDataAttrs", true ); } }

return data; }

// Sets multiple values if ( typeof key === "object" ) { return this.each(function() { data_user.set( this, key ); }); }

return access( this, function( value ) { var data, camelKey = jQuery.camelCase( key );

// The calling jQuery object (element matches) is not empty // (and therefore has an element appears at this[ 0 ]) and the // `value` parameter was not undefined. An empty jQuery object // will result in `undefined` for elem = this[ 0 ] which will // throw an exception if an attempt to read a data cache is made. if ( elem && value === undefined ) { // Attempt to get data from the cache // with the key as-is data = data_user.get( elem, key ); if ( data !== undefined ) { return data; }

// Attempt to get data from the cache // with the key camelized data = data_user.get( elem, camelKey ); if ( data !== undefined ) { return data; }

// Attempt to "discover" the data in // HTML5 custom data-* attrs data = dataAttr( elem, camelKey, undefined ); if ( data !== undefined ) { return data; }

// We tried really hard, but the data doesn't exist. return; }

// Set the data... this.each(function() { // First, attempt to store a copy or reference of any // data that might've been store with a camelCased key. var data = data_user.get( this, camelKey );

// For HTML5 data-* attribute interop, we have to // store property names with dashes in a camelCase form. // This might not apply to all properties...* data_user.set( this, camelKey, value );

// *... In the case of properties that might _actually_ // have dashes, we need to also store a copy of that // unchanged property. if ( key.indexOf("-") !== -1 && data !== undefined ) { data_user.set( this, key, value ); } }); }, null, value, arguments.length > 1, null, true ); },

removeData: function( key ) { return this.each(function() { data_user.remove( this, key ); }); } });

jQuery.extend({ queue: function( elem, type, data ) { var queue;

if ( elem ) { type = ( type || "fx" ) + "queue"; queue = data_priv.get( elem, type );

// Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || jQuery.isArray( data ) ) { queue = data_priv.access( elem, type, jQuery.makeArray(data) ); } else { queue.push( data ); } } return queue || []; } },

dequeue: function( elem, type ) { type = type || "fx";

var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); };

// If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; }

if ( fn ) {

// Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); }

// Clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); }

if ( !startLength && hooks ) { hooks.empty.fire(); } },

// Not public - generate a queueHooks object, or return the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return data_priv.get( elem, key ) || data_priv.access( elem, key, { empty: jQuery.Callbacks("once memory").add(function() { data_priv.remove( elem, [ type + "queue", key ] ); }) }); } });

jQuery.fn.extend({ queue: function( type, data ) { var setter = 2;

if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; }

if ( arguments.length < setter ) { return jQuery.queue( this[0], type ); }

return data === undefined ? this : this.each(function() { var queue = jQuery.queue( this, type, data );

// Ensure a hooks for this queue jQuery._queueHooks( this, type );

if ( type === "fx" && queue[0] !== "inprogress" ) { jQuery.dequeue( this, type ); } }); }, dequeue: function( type ) { return this.each(function() { jQuery.dequeue( this, type ); }); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); }, // Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } };

if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx";

while ( i-- ) { tmp = data_priv.get( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } }); var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;

var cssExpand = [ "Top", "Right", "Bottom", "Left" ];

var isHidden = function( elem, el ) { // isHidden might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem; return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem ); };

var rcheckableType = (/^(?:checkbox|radio)$/i);

(function() { var fragment = document.createDocumentFragment(), div = fragment.appendChild( document.createElement( "div" ) ), input = document.createElement( "input" );

// Support: Safari<=5.1 // Check state lost if the name is set (#11217) // Support: Windows Web Apps (WWA) // `name` and `type` must use .setAttribute for WWA (#14901) input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" );

div.appendChild( input );

// Support: Safari<=5.1, Android<4.2 // Older WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;

// Support: IE<=11+ // Make sure textarea (and checkbox) defaultValue is properly cloned div.innerHTML = "<textarea>x</textarea>"; support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; })(); var strundefined = typeof undefined;

support.focusinBubbles = "onfocusin" in window;

function returnTrue() { return true; }

function returnFalse() { return false; }

function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } }

/*

* Helper functions for managing events -- not part of the public interface.
* Props to Dean Edwards' addEvent library for many of the ideas.
*/

jQuery.event = {

global: {},

add: function( elem, types, handler, data, selector ) {

var handleObjIn, eventHandle, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = data_priv.get( elem );

// Don't attach events to noData or text/comment nodes (but allow plain objects) if ( !elemData ) { return; }

// Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; }

// Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; }

// Init the element's event structure and main handler, if this is the first if ( !(events = elemData.events) ) { events = elemData.events = {}; } if ( !(eventHandle = elemData.handle) ) { eventHandle = elemData.handle = function( e ) { // Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== strundefined && jQuery.event.triggered !== e.type ? jQuery.event.dispatch.apply( elem, arguments ) : undefined; }; }

// Handle multiple events separated by a space types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort();

// There *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; }

// If event changes its type, use the special event handlers for the changed type special = jQuery.event.special[ type ] || {};

// If selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegateType : special.bindType ) || type;

// Update special based on newly reset type special = jQuery.event.special[ type ] || {};

// handleObj is passed to all event handlers handleObj = jQuery.extend({ type: type, origType: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join(".") }, handleObjIn );

// Init the event handler queue if we're the first if ( !(handlers = events[ type ]) ) { handlers = events[ type ] = []; handlers.delegateCount = 0;

// Only use addEventListener if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle, false ); } } }

if ( special.add ) { special.add.call( elem, handleObj );

if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } }

// Add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); }

// Keep track of which events have ever been used, for event optimization jQuery.event.global[ type ] = true; }

},

// Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) {

var j, origCount, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = data_priv.hasData( elem ) && data_priv.get( elem );

if ( !elemData || !(events = elemData.events) ) { return; }

// Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort();

// Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; }

special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );

// Remove matching events origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ];

if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 );

if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } }

// Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { jQuery.removeEvent( elem, type, elemData.handle ); }

delete events[ type ]; } }

// Remove the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { delete elemData.handle; data_priv.remove( elem, "events" ); } },

trigger: function( event, data, elem, onlyHandlers ) {

var i, cur, tmp, bubbleType, ontype, handle, special, eventPath = [ elem || document ], type = hasOwn.call( event, "type" ) ? event.type : event, namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];

cur = tmp = elem = elem || document;

// Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; }

// focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; }

if ( type.indexOf(".") >= 0 ) { // Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split("."); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf(":") < 0 && "on" + type;

// Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event );

// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) event.isTrigger = onlyHandlers ? 2 : 3; event.namespace = namespaces.join("."); event.namespace_re = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : null;

// Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; }

// Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] );

// Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; }

// Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {

bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; }

// Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === (elem.ownerDocument || document) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } }

// Fire handlers on the event path i = 0; while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {

event.type = i > 1 ? bubbleType : special.bindType || type;

// jQuery handler handle = ( data_priv.get( cur, "events" ) || {} )[ event.type ] && data_priv.get( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); }

// Native handler handle = ontype && cur[ ontype ]; if ( handle && handle.apply && jQuery.acceptData( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventDefault(); } } } event.type = type;

// If nobody prevented the default action, do it now if ( !onlyHandlers && !event.isDefaultPrevented() ) {

if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && jQuery.acceptData( elem ) ) {

// Call a native DOM method on the target with the same name name as the event. // Don't do default actions on window, that's where global variables be (#6170) if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {

// Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ];

if ( tmp ) { elem[ ontype ] = null; }

// Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; elem[ type ](); jQuery.event.triggered = undefined;

if ( tmp ) { elem[ ontype ] = tmp; } } } }

return event.result; },

dispatch: function( event ) {

// Make a writable jQuery.Event from the native event object event = jQuery.event.fix( event );

var i, j, ret, matched, handleObj, handlerQueue = [], args = slice.call( arguments ), handlers = ( data_priv.get( this, "events" ) || {} )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {};

// Use the fix-ed jQuery.Event rather than the (read-only) native event args[0] = event; event.delegateTarget = this;

// Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; }

// Determine handlers handlerQueue = jQuery.event.handlers.call( this, event, handlers );

// Run delegates first; they may want to stop propagation beneath us i = 0; while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem;

j = 0; while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {

// Triggered event must either 1) have no namespace, or 2) have namespace(s) // a subset or equal to those in the bound event (both can have no namespace). if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {

event.handleObj = handleObj; event.data = handleObj.data;

ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) .apply( matched.elem, args );

if ( ret !== undefined ) { if ( (event.result = ret) === false ) { event.preventDefault(); event.stopPropagation(); } } } } }

// Call the postDispatch hook for the mapped type if ( special.postDispatch ) { special.postDispatch.call( this, event ); }

return event.result; },

handlers: function( event, handlers ) { var i, matches, sel, handleObj, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target;

// Find delegate handlers // Black-hole SVG <use> instance trees (#13180) // Avoid non-left-click bubbling in Firefox (#3861) if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {

for ( ; cur !== this; cur = cur.parentNode || this ) {

// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.disabled !== true || event.type !== "click" ) { matches = []; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ];

// Don't conflict with Object.prototype properties (#13203) sel = handleObj.selector + " ";

if ( matches[ sel ] === undefined ) { matches[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) >= 0 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matches[ sel ] ) { matches.push( handleObj ); } } if ( matches.length ) { handlerQueue.push({ elem: cur, handlers: matches }); } } } }

// Add the remaining (directly-bound) handlers if ( delegateCount < handlers.length ) { handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); }

return handlerQueue; },

// Includes some event props shared by KeyEvent and MouseEvent props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),

fixHooks: {},

keyHooks: { props: "char charCode key keyCode".split(" "), filter: function( event, original ) {

// Add which for key events if ( event.which == null ) { event.which = original.charCode != null ? original.charCode : original.keyCode; }

return event; } },

mouseHooks: { props: "button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "), filter: function( event, original ) { var eventDoc, doc, body, button = original.button;

// Calculate pageX/Y if missing and clientX/Y available if ( event.pageX == null && original.clientX != null ) { eventDoc = event.target.ownerDocument || document; doc = eventDoc.documentElement; body = eventDoc.body;

event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ); }

// Add which for click: 1 === left; 2 === middle; 3 === right // Note: button is not normalized, so don't use it if ( !event.which && button !== undefined ) { event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); }

return event; } },

fix: function( event ) { if ( event[ jQuery.expando ] ) { return event; }

// Create a writable copy of the event object and normalize some properties var i, prop, copy, type = event.type, originalEvent = event, fixHook = this.fixHooks[ type ];

if ( !fixHook ) { this.fixHooks[ type ] = fixHook = rmouseEvent.test( type ) ? this.mouseHooks : rkeyEvent.test( type ) ? this.keyHooks : {}; } copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;

event = new jQuery.Event( originalEvent );

i = copy.length; while ( i-- ) { prop = copy[ i ]; event[ prop ] = originalEvent[ prop ]; }

// Support: Cordova 2.5 (WebKit) (#13255) // All events should have a target; Cordova deviceready doesn't if ( !event.target ) { event.target = document; }

// Support: Safari 6.0+, Chrome<28 // Target should not be a text node (#504, #13143) if ( event.target.nodeType === 3 ) { event.target = event.target.parentNode; }

return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; },

special: { load: { // Prevent triggered image.load events from bubbling to window.load noBubble: true }, focus: { // Fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== safeActiveElement() && this.focus ) { this.focus(); return false; } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === safeActiveElement() && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" }, click: { // For checkbox, fire native event so checked state will be right trigger: function() { if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) { this.click(); return false; } },

// For cross-browser consistency, don't fire native .click() on links _default: function( event ) { return jQuery.nodeName( event.target, "a" ); } },

beforeunload: { postDispatch: function( event ) {

// Support: Firefox 20+ // Firefox doesn't alert if the returnValue field is not set. if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } },

simulate: function( type, elem, event, bubble ) { // Piggyback on a donor event to simulate a different one. // Fake originalEvent to avoid donor's stopPropagation, but if the // simulated event prevents default then we do the same on the donor. var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true, originalEvent: {} } ); if ( bubble ) { jQuery.event.trigger( e, null, elem ); } else { jQuery.event.dispatch.call( elem, e ); } if ( e.isDefaultPrevented() ) { event.preventDefault(); } } };

jQuery.removeEvent = function( elem, type, handle ) { if ( elem.removeEventListener ) { elem.removeEventListener( type, handle, false ); } };

jQuery.Event = function( src, props ) { // Allow instantiation without the 'new' keyword if ( !(this instanceof jQuery.Event) ) { return new jQuery.Event( src, props ); }

// Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type;

// Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && // Support: Android<4.0 src.returnValue === false ? returnTrue : returnFalse;

// Event type } else { this.type = src; }

// Put explicitly provided properties onto the event object if ( props ) { jQuery.extend( this, props ); }

// Create a timestamp if incoming event doesn't have one this.timeStamp = src && src.timeStamp || jQuery.now();

// Mark it as fixed this[ jQuery.expando ] = true; };

// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse,

preventDefault: function() { var e = this.originalEvent;

this.isDefaultPrevented = returnTrue;

if ( e && e.preventDefault ) { e.preventDefault(); } }, stopPropagation: function() { var e = this.originalEvent;

this.isPropagationStopped = returnTrue;

if ( e && e.stopPropagation ) { e.stopPropagation(); } }, stopImmediatePropagation: function() { var e = this.originalEvent;

this.isImmediatePropagationStopped = returnTrue;

if ( e && e.stopImmediatePropagation ) { e.stopImmediatePropagation(); }

this.stopPropagation(); } };

// Create mouseenter/leave events using mouseover/out and event-time checks // Support: Chrome 15+ jQuery.each({ mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix,

handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj;

// For mousenter/leave call the handler if related is outside the target. // NB: No relatedTarget if the mouse left/entered the browser window if ( !related || (related !== target && !jQuery.contains( target, related )) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; });

// Support: Firefox, Chrome, Safari // Create "bubbling" focus and blur events if ( !support.focusinBubbles ) { jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {

// Attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); };

jQuery.event.special[ fix ] = { setup: function() { var doc = this.ownerDocument || this, attaches = data_priv.access( doc, fix );

if ( !attaches ) { doc.addEventListener( orig, handler, true ); } data_priv.access( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerDocument || this, attaches = data_priv.access( doc, fix ) - 1;

if ( !attaches ) { doc.removeEventListener( orig, handler, true ); data_priv.remove( doc, fix );

} else { data_priv.access( doc, fix, attaches ); } } }; }); }

jQuery.fn.extend({

on: function( types, selector, data, fn, /*INTERNAL*/ one ) { var origFn, type;

// Types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-Object, selector, data ) if ( typeof selector !== "string" ) { // ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { this.on( type, selector, data, types[ type ], one ); } return this; }

if ( data == null && fn == null ) { // ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) { // ( types, selector, fn ) fn = data; data = undefined; } else { // ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return this; }

if ( one === 1 ) { origFn = fn; fn = function( event ) { // Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); }; // Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return this.each( function() { jQuery.event.add( this, types, fn, data, selector ); }); }, one: function( types, selector, data, fn ) { return this.on( types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) { // ( event ) dispatched jQuery.Event handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) { // ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) { // ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each(function() { jQuery.event.remove( this, types, fn, selector ); }); },

trigger: function( type, data ) { return this.each(function() { jQuery.event.trigger( type, data, this ); }); }, triggerHandler: function( type, data ) { var elem = this[0]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } });

// We have to close these tags to support XHTML (#13200) wrapMap = {

// Support: IE9 option: [ 1, "<select multiple='multiple'>", "</select>" ],

thead: [ 1, "", "

" ], col: [ 2, "<colgroup>", "</colgroup>

" ], tr: [ 2, "<tbody>", "</tbody>

" ], td: [ 3, "<tbody>", "</tbody>

" ],

_default: [ 0, "", "" ] };

// Support: IE9 wrapMap.optgroup = wrapMap.option;

wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td;

// Support: 1.x compatibility // Manipulating tables requires a tbody function manipulationTarget( elem, content ) { return jQuery.nodeName( elem, "table" ) && jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?

elem.getElementsByTagName("tbody")[0] || elem.appendChild( elem.ownerDocument.createElement("tbody") ) : elem; }

// Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type; return elem; } function restoreScript( elem ) { var match = rscriptTypeMasked.exec( elem.type );

if ( match ) { elem.type = match[ 1 ]; } else { elem.removeAttribute("type"); }

return elem; }

// Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { var i = 0, l = elems.length;

for ( ; i < l; i++ ) { data_priv.set( elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" ) ); } }

function cloneCopyEvent( src, dest ) { var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;

if ( dest.nodeType !== 1 ) { return; }

// 1. Copy private data: events, handlers, etc. if ( data_priv.hasData( src ) ) { pdataOld = data_priv.access( src ); pdataCur = data_priv.set( dest, pdataOld ); events = pdataOld.events;

if ( events ) { delete pdataCur.handle; pdataCur.events = {};

for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } } }

// 2. Copy user data if ( data_user.hasData( src ) ) { udataOld = data_user.access( src ); udataCur = jQuery.extend( {}, udataOld );

data_user.set( dest, udataCur ); } }

function getAll( context, tag ) { var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) : context.querySelectorAll ? context.querySelectorAll( tag || "*" ) : [];

return tag === undefined || tag && jQuery.nodeName( context, tag ) ? jQuery.merge( [ context ], ret ) : ret; }

// Fix IE bugs, see support tests function fixInput( src, dest ) { var nodeName = dest.nodeName.toLowerCase();

// Fails to persist the checked state of a cloned checkbox or radio button. if ( nodeName === "input" && rcheckableType.test( src.type ) ) { dest.checked = src.checked;

// Fails to return the selected option to the default selected state when cloning options } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } }

jQuery.extend({ clone: function( elem, dataAndEvents, deepDataAndEvents ) { var i, l, srcElements, destElements, clone = elem.cloneNode( true ), inPage = jQuery.contains( elem.ownerDocument, elem );

// Fix IE cloning issues if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) {

// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem );

for ( i = 0, l = srcElements.length; i < l; i++ ) { fixInput( srcElements[ i ], destElements[ i ] ); } }

// Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone );

for ( i = 0, l = srcElements.length; i < l; i++ ) { cloneCopyEvent( srcElements[ i ], destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); } }

// Preserve script evaluation history destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); }

// Return the cloned set return clone; },

buildFragment: function( elems, context, scripts, selection ) { var elem, tmp, tag, wrap, contains, j, fragment = context.createDocumentFragment(), nodes = [], i = 0, l = elems.length;

for ( ; i < l; i++ ) { elem = elems[ i ];

if ( elem || elem === 0 ) {

// Add nodes directly if ( jQuery.type( elem ) === "object" ) { // Support: QtWebKit, PhantomJS // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );

// Convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) );

// Convert html into DOM nodes } else { tmp = tmp || fragment.appendChild( context.createElement("div") );

// Deserialize a standard representation tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default; tmp.innerHTML = wrap[ 1 ] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[ 2 ];

// Descend through wrappers to the right content j = wrap[ 0 ]; while ( j-- ) { tmp = tmp.lastChild; }

// Support: QtWebKit, PhantomJS // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, tmp.childNodes );

// Remember the top-level container tmp = fragment.firstChild;

// Ensure the created nodes are orphaned (#12392) tmp.textContent = ""; } } }

// Remove wrapper from fragment fragment.textContent = "";

i = 0; while ( (elem = nodes[ i++ ]) ) {

// #4087 - If origin and destination elements are the same, and this is // that element, do not do anything if ( selection && jQuery.inArray( elem, selection ) !== -1 ) { continue; }

contains = jQuery.contains( elem.ownerDocument, elem );

// Append to fragment tmp = getAll( fragment.appendChild( elem ), "script" );

// Preserve script evaluation history if ( contains ) { setGlobalEval( tmp ); }

// Capture executables if ( scripts ) { j = 0; while ( (elem = tmp[ j++ ]) ) { if ( rscriptType.test( elem.type || "" ) ) { scripts.push( elem ); } } } }

return fragment; },

cleanData: function( elems ) { var data, elem, type, key, special = jQuery.event.special, i = 0;

for ( ; (elem = elems[ i ]) !== undefined; i++ ) { if ( jQuery.acceptData( elem ) ) { key = elem[ data_priv.expando ];

if ( key && (data = data_priv.cache[ key ]) ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type );

// This is a shortcut to avoid jQuery.event.remove's overhead } else { jQuery.removeEvent( elem, type, data.handle ); } } } if ( data_priv.cache[ key ] ) { // Discard any remaining `private` data delete data_priv.cache[ key ]; } } } // Discard any remaining `user` data delete data_user.cache[ elem[ data_user.expando ] ]; } } });

jQuery.fn.extend({ text: function( value ) { return access( this, function( value ) { return value === undefined ? jQuery.text( this ) : this.empty().each(function() { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { this.textContent = value; } }); }, null, value, arguments.length ); },

append: function() { return this.domManip( arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.appendChild( elem ); } }); },

prepend: function() { return this.domManip( arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.insertBefore( elem, target.firstChild ); } }); },

before: function() { return this.domManip( arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this ); } }); },

after: function() { return this.domManip( arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this.nextSibling ); } }); },

remove: function( selector, keepData /* Internal Use Only */ ) { var elem, elems = selector ? jQuery.filter( selector, this ) : this, i = 0;

for ( ; (elem = elems[i]) != null; i++ ) { if ( !keepData && elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem ) ); }

if ( elem.parentNode ) { if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) { setGlobalEval( getAll( elem, "script" ) ); } elem.parentNode.removeChild( elem ); } }

return this; },

empty: function() { var elem, i = 0;

for ( ; (elem = this[i]) != null; i++ ) { if ( elem.nodeType === 1 ) {

// Prevent memory leaks jQuery.cleanData( getAll( elem, false ) );

// Remove any remaining nodes elem.textContent = ""; } }

return this; },

clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? false : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

return this.map(function() { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); }); },

html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length;

if ( value === undefined && elem.nodeType === 1 ) { return elem.innerHTML; }

// See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {

value = value.replace( rxhtmlTag, "<$1></$2>" );

try { for ( ; i < l; i++ ) { elem = this[ i ] || {};

// Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; } }

elem = 0;

// If using innerHTML throws an exception, use the fallback method } catch( e ) {} }

if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); },

replaceWith: function() { var arg = arguments[ 0 ];

// Make the changes, replacing each context element with the new content this.domManip( arguments, function( elem ) { arg = this.parentNode;

jQuery.cleanData( getAll( this ) );

if ( arg ) { arg.replaceChild( elem, this ); } });

// Force removal if there was no new content (e.g., from empty arguments) return arg && (arg.length || arg.nodeType) ? this : this.remove(); },

detach: function( selector ) { return this.remove( selector, true ); },

domManip: function( args, callback ) {

// Flatten any nested arrays args = concat.apply( [], args );

var fragment, first, scripts, hasScripts, node, doc, i = 0, l = this.length, set = this, iNoClone = l - 1, value = args[ 0 ], isFunction = jQuery.isFunction( value );

// We can't cloneNode fragments that contain checked, in WebKit if ( isFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return this.each(function( index ) { var self = set.eq( index ); if ( isFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } self.domManip( args, callback ); }); }

if ( l ) { fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this ); first = fragment.firstChild;

if ( fragment.childNodes.length === 1 ) { fragment = first; }

if ( first ) { scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length;

// Use the original fragment for the last item instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment;

if ( i !== iNoClone ) { node = jQuery.clone( node, true, true );

// Keep references to cloned scripts for later restoration if ( hasScripts ) { // Support: QtWebKit // jQuery.merge because push.apply(_, arraylike) throws jQuery.merge( scripts, getAll( node, "script" ) ); } }

callback.call( this[ i ], node, i ); }

if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument;

// Reenable scripts jQuery.map( scripts, restoreScript );

// Evaluate executable scripts on first document insertion for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && !data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) {

if ( node.src ) { // Optional AJAX dependency, but won't run scripts if not present if ( jQuery._evalUrl ) { jQuery._evalUrl( node.src ); } } else { jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) ); } } } } } }

return this; } });

jQuery.each({ appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, ret = [], insert = jQuery( selector ), last = insert.length - 1, i = 0;

for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems );

// Support: QtWebKit // .get() because push.apply(_, arraylike) throws push.apply( ret, elems.get() ); }

return this.pushStack( ret ); }; });

var iframe, elemdisplay = {};

/**

* Retrieve the actual display of a element
* @param {String} name nodeName of the element
* @param {Object} doc Document object
*/

// Called only from within defaultDisplay function actualDisplay( name, doc ) { var style, elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),

// getDefaultComputedStyle might be reliably used only on attached element display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ?

// Use of this method is a temporary fix (more like optimization) until something better comes along, // since it was removed from specification and supported only in FF style.display : jQuery.css( elem[ 0 ], "display" );

// We don't have any data stored on the element, // so use "detach" method as fast way to get rid of the element elem.detach();

return display; }

/**

* Try to determine the default display value of an element
* @param {String} nodeName
*/

function defaultDisplay( nodeName ) { var doc = document, display = elemdisplay[ nodeName ];

if ( !display ) { display = actualDisplay( nodeName, doc );

// If the simple way fails, read from inside an iframe if ( display === "none" || !display ) {

// Use the already-created iframe if possible iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );

// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse doc = iframe[ 0 ].contentDocument;

// Support: IE doc.write(); doc.close();

display = actualDisplay( nodeName, doc ); iframe.detach(); }

// Store the correct default display elemdisplay[ nodeName ] = display; }

return display; } var rmargin = (/^margin/);

var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );

var getStyles = function( elem ) { // Support: IE<=11+, Firefox<=30+ (#15098, #14150) // IE throws on elements created in popups // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" if ( elem.ownerDocument.defaultView.opener ) { return elem.ownerDocument.defaultView.getComputedStyle( elem, null ); }

return window.getComputedStyle( elem, null ); };

function curCSS( elem, name, computed ) { var width, minWidth, maxWidth, ret, style = elem.style;

computed = computed || getStyles( elem );

// Support: IE9 // getPropertyValue is only needed for .css('filter') (#12537) if ( computed ) { ret = computed.getPropertyValue( name ) || computed[ name ]; }

if ( computed ) {

if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) { ret = jQuery.style( elem, name ); }

// Support: iOS < 6 // A tribute to the "awesome hack by Dean Edwards" // iOS < 6 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {

// Remember the original values width = style.width; minWidth = style.minWidth; maxWidth = style.maxWidth;

// Put in the new values to get a computed value out style.minWidth = style.maxWidth = style.width = ret; ret = computed.width;

// Revert the changed values style.width = width; style.minWidth = minWidth; style.maxWidth = maxWidth; } }

return ret !== undefined ? // Support: IE // IE returns zIndex value as an integer. ret + "" : ret; }

function addGetHookIf( conditionFn, hookFn ) { // Define the hook, we'll check on the first run if it's really needed. return { get: function() { if ( conditionFn() ) { // Hook not needed (or it's not possible to use it due // to missing dependency), remove it. delete this.get; return; }

// Hook needed; redefine it so that the support test is not executed again. return (this.get = hookFn).apply( this, arguments ); } }; }

(function() { var pixelPositionVal, boxSizingReliableVal, docElem = document.documentElement, container = document.createElement( "div" ), div = document.createElement( "div" );

if ( !div.style ) { return; }

// Support: IE9-11+ // Style of cloned element affects source element cloned (#8908) div.style.backgroundClip = "content-box"; div.cloneNode( true ).style.backgroundClip = ""; support.clearCloneStyle = div.style.backgroundClip === "content-box";

container.style.cssText = "border:0;width:0;height:0;top:0;left:-9999px;margin-top:1px;" + "position:absolute"; container.appendChild( div );

// Executing both pixelPosition & boxSizingReliable tests require only one layout // so they're executed at the same time to save the second computation. function computePixelPositionAndBoxSizingReliable() { div.style.cssText = // Support: Firefox<29, Android 2.3 // Vendor-prefix box-sizing "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" + "box-sizing:border-box;display:block;margin-top:1%;top:1%;" + "border:1px;padding:1px;width:4px;position:absolute"; div.innerHTML = ""; docElem.appendChild( container );

var divStyle = window.getComputedStyle( div, null ); pixelPositionVal = divStyle.top !== "1%"; boxSizingReliableVal = divStyle.width === "4px";

docElem.removeChild( container ); }

// Support: node.js jsdom // Don't assume that getComputedStyle is a property of the global object if ( window.getComputedStyle ) { jQuery.extend( support, { pixelPosition: function() {

// This test is executed only once but we still do memoizing // since we can use the boxSizingReliable pre-computing. // No need to check if the test was already performed, though. computePixelPositionAndBoxSizingReliable(); return pixelPositionVal; }, boxSizingReliable: function() { if ( boxSizingReliableVal == null ) { computePixelPositionAndBoxSizingReliable(); } return boxSizingReliableVal; }, reliableMarginRight: function() {

// Support: Android 2.3 // Check if div with explicit width and no margin-right incorrectly // gets computed margin-right based on width of container. (#3333) // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right // This support function is only executed once so no memoizing is needed. var ret, marginDiv = div.appendChild( document.createElement( "div" ) );

// Reset CSS: box-sizing; display; margin; border; padding marginDiv.style.cssText = div.style.cssText = // Support: Firefox<29, Android 2.3 // Vendor-prefix box-sizing "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" + "box-sizing:content-box;display:block;margin:0;border:0;padding:0"; marginDiv.style.marginRight = marginDiv.style.width = "0"; div.style.width = "1px"; docElem.appendChild( container );

ret = !parseFloat( window.getComputedStyle( marginDiv, null ).marginRight );

docElem.removeChild( container ); div.removeChild( marginDiv );

return ret; } }); } })();

// A method for quickly swapping in/out CSS properties to get correct calculations. jQuery.swap = function( elem, options, callback, args ) { var ret, name, old = {};

// Remember the old values, and insert the new ones for ( name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; }

ret = callback.apply( elem, args || [] );

// Revert the old values for ( name in options ) { elem.style[ name ] = old[ name ]; }

return ret; };

var // Swappable if display is none or starts with table except "table", "table-cell", or "table-caption" // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display rdisplayswap = /^(none|table(?!-c[ea]).+)/, rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ), rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),

cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssNormalTransform = { letterSpacing: "0", fontWeight: "400" },

cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];

// Return a css property mapped to a potentially vendor prefixed property function vendorPropName( style, name ) {

// Shortcut for names that are not vendor prefixed if ( name in style ) { return name; }

// Check for vendor prefixed names var capName = name[0].toUpperCase() + name.slice(1), origName = name, i = cssPrefixes.length;

while ( i-- ) { name = cssPrefixes[ i ] + capName; if ( name in style ) { return name; } }

return origName; }

function setPositiveNumber( elem, value, subtract ) { var matches = rnumsplit.exec( value ); return matches ? // Guard against undefined "subtract", e.g., when used as in cssHooks Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) : value; }

function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) { var i = extra === ( isBorderBox ? "border" : "content" ) ? // If we already have the right measurement, avoid augmentation 4 : // Otherwise initialize for horizontal or vertical properties name === "width" ? 1 : 0,

val = 0;

for ( ; i < 4; i += 2 ) { // Both box models exclude margin, so add it if we want it if ( extra === "margin" ) { val += jQuery.css( elem, extra + cssExpand[ i ], true, styles ); }

if ( isBorderBox ) { // border-box includes padding, so remove it if we want content if ( extra === "content" ) { val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); }

// At this point, extra isn't border nor margin, so remove border if ( extra !== "margin" ) { val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } else { // At this point, extra isn't content, so add padding val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );

// At this point, extra isn't content nor padding, so add border if ( extra !== "padding" ) { val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } }

return val; }

function getWidthOrHeight( elem, name, extra ) {

// Start with offset property, which is equivalent to the border-box value var valueIsBorderBox = true, val = name === "width" ? elem.offsetWidth : elem.offsetHeight, styles = getStyles( elem ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";

// Some non-html elements return undefined for offsetWidth, so check for null/undefined // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 if ( val <= 0 || val == null ) { // Fall back to computed then uncomputed css if necessary val = curCSS( elem, name, styles ); if ( val < 0 || val == null ) { val = elem.style[ name ]; }

// Computed unit is not pixels. Stop here and return. if ( rnumnonpx.test(val) ) { return val; }

// Check for style in case a browser which returns unreliable values // for getComputedStyle silently falls back to the reliable elem.style valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );

// Normalize "", auto, and prepare for extra val = parseFloat( val ) || 0; }

// Use the active box-sizing model to add/subtract irrelevant styles return ( val + augmentWidthOrHeight( elem, name, extra || ( isBorderBox ? "border" : "content" ), valueIsBorderBox, styles ) ) + "px"; }

function showHide( elements, show ) { var display, elem, hidden, values = [], index = 0, length = elements.length;

for ( ; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; }

values[ index ] = data_priv.get( elem, "olddisplay" ); display = elem.style.display; if ( show ) { // Reset the inline display of this element to learn if it is // being hidden by cascaded rules or not if ( !values[ index ] && display === "none" ) { elem.style.display = ""; }

// Set elements which have been overridden with display: none // in a stylesheet to whatever the default browser style is // for such an element if ( elem.style.display === "" && isHidden( elem ) ) { values[ index ] = data_priv.access( elem, "olddisplay", defaultDisplay(elem.nodeName) ); } } else { hidden = isHidden( elem );

if ( display !== "none" || !hidden ) { data_priv.set( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) ); } } }

// Set the display of most of the elements in a second loop // to avoid the constant reflow for ( index = 0; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; } if ( !show || elem.style.display === "none" || elem.style.display === "" ) { elem.style.display = show ? values[ index ] || "" : "none"; } }

return elements; }

jQuery.extend({

// Add in style property hooks for overriding the default // behavior of getting and setting a style property cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) {

// We should always get a number back from opacity var ret = curCSS( elem, "opacity" ); return ret === "" ? "1" : ret; } } } },

// Don't automatically add "px" to these possibly-unitless properties cssNumber: { "columnCount": true, "fillOpacity": true, "flexGrow": true, "flexShrink": true, "fontWeight": true, "lineHeight": true, "opacity": true, "order": true, "orphans": true, "widows": true, "zIndex": true, "zoom": true },

// Add in properties whose names you wish to fix before // setting or getting the value cssProps: { "float": "cssFloat" },

// Get and set the style property on a DOM Node style: function( elem, name, value, extra ) {

// Don't set styles on text and comment nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { return; }

// Make sure that we're working with the right name var ret, type, hooks, origName = jQuery.camelCase( name ), style = elem.style;

name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );

// Gets hook for the prefixed version, then unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

// Check if we're setting a value if ( value !== undefined ) { type = typeof value;

// Convert "+=" or "-=" to relative numbers (#7345) if ( type === "string" && (ret = rrelNum.exec( value )) ) { value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) ); // Fixes bug #9237 type = "number"; }

// Make sure that null and NaN values aren't set (#7116) if ( value == null || value !== value ) { return; }

// If a number, add 'px' to the (except for certain CSS properties) if ( type === "number" && !jQuery.cssNumber[ origName ] ) { value += "px"; }

// Support: IE9-11+ // background-* props affect original clone's values if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { style[ name ] = "inherit"; }

// If a hook was provided, use that value, otherwise just set the specified value if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) { style[ name ] = value; }

} else { // If a hook was provided get the non-computed value from there if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) { return ret; }

// Otherwise just get the value from the style object return style[ name ]; } },

css: function( elem, name, extra, styles ) { var val, num, hooks, origName = jQuery.camelCase( name );

// Make sure that we're working with the right name name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );

// Try prefixed name followed by the unprefixed name hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

// If a hook was provided get the computed value from there if ( hooks && "get" in hooks ) { val = hooks.get( elem, true, extra ); }

// Otherwise, if a way to get the computed value exists, use that if ( val === undefined ) { val = curCSS( elem, name, styles ); }

// Convert "normal" to computed value if ( val === "normal" && name in cssNormalTransform ) { val = cssNormalTransform[ name ]; }

// Make numeric if forced or a qualifier was provided and val looks numeric if ( extra === "" || extra ) { num = parseFloat( val ); return extra === true || jQuery.isNumeric( num ) ? num || 0 : val; } return val; } });

jQuery.each([ "height", "width" ], function( i, name ) { jQuery.cssHooks[ name ] = { get: function( elem, computed, extra ) { if ( computed ) {

// Certain elements can have dimension info if we invisibly show them // but it must have a current display style that would benefit return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ? jQuery.swap( elem, cssShow, function() { return getWidthOrHeight( elem, name, extra ); }) : getWidthOrHeight( elem, name, extra ); } },

set: function( elem, value, extra ) { var styles = extra && getStyles( elem ); return setPositiveNumber( elem, value, extra ? augmentWidthOrHeight( elem, name, extra, jQuery.css( elem, "boxSizing", false, styles ) === "border-box", styles ) : 0 ); } }; });

// Support: Android 2.3 jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight, function( elem, computed ) { if ( computed ) { return jQuery.swap( elem, { "display": "inline-block" }, curCSS, [ elem, "marginRight" ] ); } } );

// These hooks are used by animate to expand properties jQuery.each({ margin: "", padding: "", border: "Width" }, function( prefix, suffix ) { jQuery.cssHooks[ prefix + suffix ] = { expand: function( value ) { var i = 0, expanded = {},

// Assumes a single number if not a string parts = typeof value === "string" ? value.split(" ") : [ value ];

for ( ; i < 4; i++ ) { expanded[ prefix + cssExpand[ i ] + suffix ] = parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; }

return expanded; } };

if ( !rmargin.test( prefix ) ) { jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; } });

jQuery.fn.extend({ css: function( name, value ) { return access( this, function( elem, name, value ) { var styles, len, map = {}, i = 0;

if ( jQuery.isArray( name ) ) { styles = getStyles( elem ); len = name.length;

for ( ; i < len; i++ ) { map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); }

return map; }

return value !== undefined ? jQuery.style( elem, name, value ) : jQuery.css( elem, name ); }, name, value, arguments.length > 1 ); }, show: function() { return showHide( this, true ); }, hide: function() { return showHide( this ); }, toggle: function( state ) { if ( typeof state === "boolean" ) { return state ? this.show() : this.hide(); }

return this.each(function() { if ( isHidden( this ) ) { jQuery( this ).show(); } else { jQuery( this ).hide(); } }); } });

function Tween( elem, options, prop, end, easing ) { return new Tween.prototype.init( elem, options, prop, end, easing ); } jQuery.Tween = Tween;

Tween.prototype = { constructor: Tween, init: function( elem, options, prop, end, easing, unit ) { this.elem = elem; this.prop = prop; this.easing = easing || "swing"; this.options = options; this.start = this.now = this.cur(); this.end = end; this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); }, cur: function() { var hooks = Tween.propHooks[ this.prop ];

return hooks && hooks.get ? hooks.get( this ) : Tween.propHooks._default.get( this ); }, run: function( percent ) { var eased, hooks = Tween.propHooks[ this.prop ];

if ( this.options.duration ) { this.pos = eased = jQuery.easing[ this.easing ]( percent, this.options.duration * percent, 0, 1, this.options.duration ); } else { this.pos = eased = percent; } this.now = ( this.end - this.start ) * eased + this.start;

if ( this.options.step ) { this.options.step.call( this.elem, this.now, this ); }

if ( hooks && hooks.set ) { hooks.set( this ); } else { Tween.propHooks._default.set( this ); } return this; } };

Tween.prototype.init.prototype = Tween.prototype;

Tween.propHooks = { _default: { get: function( tween ) { var result;

if ( tween.elem[ tween.prop ] != null && (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) { return tween.elem[ tween.prop ]; }

// Passing an empty string as a 3rd parameter to .css will automatically // attempt a parseFloat and fallback to a string if the parse fails. // Simple values such as "10px" are parsed to Float; // complex values such as "rotate(1rad)" are returned as-is. result = jQuery.css( tween.elem, tween.prop, "" ); // Empty strings, null, undefined and "auto" are converted to 0. return !result || result === "auto" ? 0 : result; }, set: function( tween ) { // Use step hook for back compat. // Use cssHook if its there. // Use .style if available and use plain properties where available. if ( jQuery.fx.step[ tween.prop ] ) { jQuery.fx.step[ tween.prop ]( tween ); } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) { jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); } else { tween.elem[ tween.prop ] = tween.now; } } } };

// Support: IE9 // Panic based approach to setting things on disconnected nodes Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { set: function( tween ) { if ( tween.elem.nodeType && tween.elem.parentNode ) { tween.elem[ tween.prop ] = tween.now; } } };

jQuery.easing = { linear: function( p ) { return p; }, swing: function( p ) { return 0.5 - Math.cos( p * Math.PI ) / 2; } };

jQuery.fx = Tween.prototype.init;

// Back Compat <1.8 extension point jQuery.fx.step = {};

var fxNow, timerId, rfxtypes = /^(?:toggle|show|hide)$/, rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ), rrun = /queueHooks$/, animationPrefilters = [ defaultPrefilter ], tweeners = { "*": [ function( prop, value ) { var tween = this.createTween( prop, value ), target = tween.cur(), parts = rfxnum.exec( value ), unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),

// Starting value computation is required for potential unit mismatches start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) && rfxnum.exec( jQuery.css( tween.elem, prop ) ), scale = 1, maxIterations = 20;

if ( start && start[ 3 ] !== unit ) { // Trust units reported by jQuery.css unit = unit || start[ 3 ];

// Make sure we update the tween properties later on parts = parts || [];

// Iteratively approximate from a nonzero starting point start = +target || 1;

do { // If previous iteration zeroed out, double until we get *something*. // Use string for doubling so we don't accidentally see scale as unchanged below scale = scale || ".5";

// Adjust and apply start = start / scale; jQuery.style( tween.elem, prop, start + unit );

// Update scale, tolerating zero or NaN from tween.cur(), // break the loop if scale is unchanged or perfect, or if we've just had enough } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations ); }

// Update tween properties if ( parts ) { start = tween.start = +start || +target || 0; tween.unit = unit; // If a +=/-= token was provided, we're doing a relative animation tween.end = parts[ 1 ] ? start + ( parts[ 1 ] + 1 ) * parts[ 2 ] : +parts[ 2 ]; }

return tween; } ] };

// Animations created synchronously will run synchronously function createFxNow() { setTimeout(function() { fxNow = undefined; }); return ( fxNow = jQuery.now() ); }

// Generate parameters to create a standard animation function genFx( type, includeWidth ) { var which, i = 0, attrs = { height: type };

// If we include width, step value is 1 to do all cssExpand values, // otherwise step value is 2 to skip over Left and Right includeWidth = includeWidth ? 1 : 0; for ( ; i < 4 ; i += 2 - includeWidth ) { which = cssExpand[ i ]; attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; }

if ( includeWidth ) { attrs.opacity = attrs.width = type; }

return attrs; }

function createTween( value, prop, animation ) { var tween, collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ), index = 0, length = collection.length; for ( ; index < length; index++ ) { if ( (tween = collection[ index ].call( animation, prop, value )) ) {

// We're done with this property return tween; } } }

function defaultPrefilter( elem, props, opts ) { /* jshint validthis: true */ var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay, anim = this, orig = {}, style = elem.style, hidden = elem.nodeType && isHidden( elem ), dataShow = data_priv.get( elem, "fxshow" );

// Handle queue: false promises if ( !opts.queue ) { hooks = jQuery._queueHooks( elem, "fx" ); if ( hooks.unqueued == null ) { hooks.unqueued = 0; oldfire = hooks.empty.fire; hooks.empty.fire = function() { if ( !hooks.unqueued ) { oldfire(); } }; } hooks.unqueued++;

anim.always(function() { // Ensure the complete handler is called before this completes anim.always(function() { hooks.unqueued--; if ( !jQuery.queue( elem, "fx" ).length ) { hooks.empty.fire(); } }); }); }

// Height/width overflow pass if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) { // Make sure that nothing sneaks out // Record all 3 overflow attributes because IE9-10 do not // change the overflow attribute when overflowX and // overflowY are set to the same value opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];

// Set display property to inline-block for height/width // animations on inline elements that are having width/height animated display = jQuery.css( elem, "display" );

// Test default display if display is currently "none" checkDisplay = display === "none" ? data_priv.get( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;

if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) { style.display = "inline-block"; } }

if ( opts.overflow ) { style.overflow = "hidden"; anim.always(function() { style.overflow = opts.overflow[ 0 ]; style.overflowX = opts.overflow[ 1 ]; style.overflowY = opts.overflow[ 2 ]; }); }

// show/hide pass for ( prop in props ) { value = props[ prop ]; if ( rfxtypes.exec( value ) ) { delete props[ prop ]; toggle = toggle || value === "toggle"; if ( value === ( hidden ? "hide" : "show" ) ) {

// If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { hidden = true; } else { continue; } } orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );

// Any non-fx value stops us from restoring the original display value } else { display = undefined; } }

if ( !jQuery.isEmptyObject( orig ) ) { if ( dataShow ) { if ( "hidden" in dataShow ) { hidden = dataShow.hidden; } } else { dataShow = data_priv.access( elem, "fxshow", {} ); }

// Store state if its toggle - enables .stop().toggle() to "reverse" if ( toggle ) { dataShow.hidden = !hidden; } if ( hidden ) { jQuery( elem ).show(); } else { anim.done(function() { jQuery( elem ).hide(); }); } anim.done(function() { var prop;

data_priv.remove( elem, "fxshow" ); for ( prop in orig ) { jQuery.style( elem, prop, orig[ prop ] ); } }); for ( prop in orig ) { tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );

if ( !( prop in dataShow ) ) { dataShow[ prop ] = tween.start; if ( hidden ) { tween.end = tween.start; tween.start = prop === "width" || prop === "height" ? 1 : 0; } } }

// If this is a noop like .hide().hide(), restore an overwritten display value } else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) { style.display = display; } }

function propFilter( props, specialEasing ) { var index, name, easing, value, hooks;

// camelCase, specialEasing and expand cssHook pass for ( index in props ) { name = jQuery.camelCase( index ); easing = specialEasing[ name ]; value = props[ index ]; if ( jQuery.isArray( value ) ) { easing = value[ 1 ]; value = props[ index ] = value[ 0 ]; }

if ( index !== name ) { props[ name ] = value; delete props[ index ]; }

hooks = jQuery.cssHooks[ name ]; if ( hooks && "expand" in hooks ) { value = hooks.expand( value ); delete props[ name ];

// Not quite $.extend, this won't overwrite existing keys. // Reusing 'index' because we have the correct "name" for ( index in value ) { if ( !( index in props ) ) { props[ index ] = value[ index ]; specialEasing[ index ] = easing; } } } else { specialEasing[ name ] = easing; } } }

function Animation( elem, properties, options ) { var result, stopped, index = 0, length = animationPrefilters.length, deferred = jQuery.Deferred().always( function() { // Don't match elem in the :animated selector delete tick.elem; }), tick = function() { if ( stopped ) { return false; } var currentTime = fxNow || createFxNow(), remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), // Support: Android 2.3 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) temp = remaining / animation.duration || 0, percent = 1 - temp, index = 0, length = animation.tweens.length;

for ( ; index < length ; index++ ) { animation.tweens[ index ].run( percent ); }

deferred.notifyWith( elem, [ animation, percent, remaining ]);

if ( percent < 1 && length ) { return remaining; } else { deferred.resolveWith( elem, [ animation ] ); return false; } }, animation = deferred.promise({ elem: elem, props: jQuery.extend( {}, properties ), opts: jQuery.extend( true, { specialEasing: {} }, options ), originalProperties: properties, originalOptions: options, startTime: fxNow || createFxNow(), duration: options.duration, tweens: [], createTween: function( prop, end ) { var tween = jQuery.Tween( elem, animation.opts, prop, end, animation.opts.specialEasing[ prop ] || animation.opts.easing ); animation.tweens.push( tween ); return tween; }, stop: function( gotoEnd ) { var index = 0, // If we are going to the end, we want to run all the tweens // otherwise we skip this part length = gotoEnd ? animation.tweens.length : 0; if ( stopped ) { return this; } stopped = true; for ( ; index < length ; index++ ) { animation.tweens[ index ].run( 1 ); }

// Resolve when we played the last frame; otherwise, reject if ( gotoEnd ) { deferred.resolveWith( elem, [ animation, gotoEnd ] ); } else { deferred.rejectWith( elem, [ animation, gotoEnd ] ); } return this; } }), props = animation.props;

propFilter( props, animation.opts.specialEasing );

for ( ; index < length ; index++ ) { result = animationPrefilters[ index ].call( animation, elem, props, animation.opts ); if ( result ) { return result; } }

jQuery.map( props, createTween, animation );

if ( jQuery.isFunction( animation.opts.start ) ) { animation.opts.start.call( elem, animation ); }

jQuery.fx.timer( jQuery.extend( tick, { elem: elem, anim: animation, queue: animation.opts.queue }) );

// attach callbacks from options return animation.progress( animation.opts.progress ) .done( animation.opts.done, animation.opts.complete ) .fail( animation.opts.fail ) .always( animation.opts.always ); }

jQuery.Animation = jQuery.extend( Animation, {

tweener: function( props, callback ) { if ( jQuery.isFunction( props ) ) { callback = props; props = [ "*" ]; } else { props = props.split(" "); }

var prop, index = 0, length = props.length;

for ( ; index < length ; index++ ) { prop = props[ index ]; tweeners[ prop ] = tweeners[ prop ] || []; tweeners[ prop ].unshift( callback ); } },

prefilter: function( callback, prepend ) { if ( prepend ) { animationPrefilters.unshift( callback ); } else { animationPrefilters.push( callback ); } } });

jQuery.speed = function( speed, easing, fn ) { var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { complete: fn || !fn && easing || jQuery.isFunction( speed ) && speed, duration: speed, easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing };

opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration : opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;

// Normalize opt.queue - true/undefined/null -> "fx" if ( opt.queue == null || opt.queue === true ) { opt.queue = "fx"; }

// Queueing opt.old = opt.complete;

opt.complete = function() { if ( jQuery.isFunction( opt.old ) ) { opt.old.call( this ); }

if ( opt.queue ) { jQuery.dequeue( this, opt.queue ); } };

return opt; };

jQuery.fn.extend({ fadeTo: function( speed, to, easing, callback ) {

// Show any hidden elements after setting opacity to 0 return this.filter( isHidden ).css( "opacity", 0 ).show()

// Animate to the value specified .end().animate({ opacity: to }, speed, easing, callback ); }, animate: function( prop, speed, easing, callback ) { var empty = jQuery.isEmptyObject( prop ), optall = jQuery.speed( speed, easing, callback ), doAnimation = function() { // Operate on a copy of prop so per-property easing won't be lost var anim = Animation( this, jQuery.extend( {}, prop ), optall );

// Empty animations, or finishing resolves immediately if ( empty || data_priv.get( this, "finish" ) ) { anim.stop( true ); } }; doAnimation.finish = doAnimation;

return empty || optall.queue === false ? this.each( doAnimation ) : this.queue( optall.queue, doAnimation ); }, stop: function( type, clearQueue, gotoEnd ) { var stopQueue = function( hooks ) { var stop = hooks.stop; delete hooks.stop; stop( gotoEnd ); };

if ( typeof type !== "string" ) { gotoEnd = clearQueue; clearQueue = type; type = undefined; } if ( clearQueue && type !== false ) { this.queue( type || "fx", [] ); }

return this.each(function() { var dequeue = true, index = type != null && type + "queueHooks", timers = jQuery.timers, data = data_priv.get( this );

if ( index ) { if ( data[ index ] && data[ index ].stop ) { stopQueue( data[ index ] ); } } else { for ( index in data ) { if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { stopQueue( data[ index ] ); } } }

for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) { timers[ index ].anim.stop( gotoEnd ); dequeue = false; timers.splice( index, 1 ); } }

// Start the next in the queue if the last step wasn't forced. // Timers currently will call their complete callbacks, which // will dequeue but only if they were gotoEnd. if ( dequeue || !gotoEnd ) { jQuery.dequeue( this, type ); } }); }, finish: function( type ) { if ( type !== false ) { type = type || "fx"; } return this.each(function() { var index, data = data_priv.get( this ), queue = data[ type + "queue" ], hooks = data[ type + "queueHooks" ], timers = jQuery.timers, length = queue ? queue.length : 0;

// Enable finishing flag on private data data.finish = true;

// Empty the queue first jQuery.queue( this, type, [] );

if ( hooks && hooks.stop ) { hooks.stop.call( this, true ); }

// Look for any active animations, and finish them for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && timers[ index ].queue === type ) { timers[ index ].anim.stop( true ); timers.splice( index, 1 ); } }

// Look for any animations in the old queue and finish them for ( index = 0; index < length; index++ ) { if ( queue[ index ] && queue[ index ].finish ) { queue[ index ].finish.call( this ); } }

// Turn off finishing flag delete data.finish; }); } });

jQuery.each([ "toggle", "show", "hide" ], function( i, name ) { var cssFn = jQuery.fn[ name ]; jQuery.fn[ name ] = function( speed, easing, callback ) { return speed == null || typeof speed === "boolean" ? cssFn.apply( this, arguments ) : this.animate( genFx( name, true ), speed, easing, callback ); }; });

// Generate shortcuts for custom animations jQuery.each({ slideDown: genFx("show"), slideUp: genFx("hide"), slideToggle: genFx("toggle"), fadeIn: { opacity: "show" }, fadeOut: { opacity: "hide" }, fadeToggle: { opacity: "toggle" } }, function( name, props ) { jQuery.fn[ name ] = function( speed, easing, callback ) { return this.animate( props, speed, easing, callback ); }; });

jQuery.timers = []; jQuery.fx.tick = function() { var timer, i = 0, timers = jQuery.timers;

fxNow = jQuery.now();

for ( ; i < timers.length; i++ ) { timer = timers[ i ]; // Checks the timer has not already been removed if ( !timer() && timers[ i ] === timer ) { timers.splice( i--, 1 ); } }

if ( !timers.length ) { jQuery.fx.stop(); } fxNow = undefined; };

jQuery.fx.timer = function( timer ) { jQuery.timers.push( timer ); if ( timer() ) { jQuery.fx.start(); } else { jQuery.timers.pop(); } };

jQuery.fx.interval = 13;

jQuery.fx.start = function() { if ( !timerId ) { timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval ); } };

jQuery.fx.stop = function() { clearInterval( timerId ); timerId = null; };

jQuery.fx.speeds = { slow: 600, fast: 200, // Default speed _default: 400 };

// Based off of the plugin by Clint Helfers, with permission. // http://blindsignals.com/index.php/2009/07/jquery-delay/ jQuery.fn.delay = function( time, type ) { time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; type = type || "fx";

return this.queue( type, function( next, hooks ) { var timeout = setTimeout( next, time ); hooks.stop = function() { clearTimeout( timeout ); }; }); };

(function() { var input = document.createElement( "input" ), select = document.createElement( "select" ), opt = select.appendChild( document.createElement( "option" ) );

input.type = "checkbox";

// Support: iOS<=5.1, Android<=4.2+ // Default value for a checkbox should be "on" support.checkOn = input.value !== "";

// Support: IE<=11+ // Must access selectedIndex to make default options select support.optSelected = opt.selected;

// Support: Android<=2.3 // Options inside disabled selects are incorrectly marked as disabled select.disabled = true; support.optDisabled = !opt.disabled;

// Support: IE<=11+ // An input loses its value after becoming a radio input = document.createElement( "input" ); input.value = "t"; input.type = "radio"; support.radioValue = input.value === "t"; })();

var nodeHook, boolHook, attrHandle = jQuery.expr.attrHandle;

jQuery.fn.extend({ attr: function( name, value ) { return access( this, jQuery.attr, name, value, arguments.length > 1 ); },

removeAttr: function( name ) { return this.each(function() { jQuery.removeAttr( this, name ); }); } });

jQuery.extend({ attr: function( elem, name, value ) { var hooks, ret, nType = elem.nodeType;

// don't get/set attributes on text, comment and attribute nodes if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { return; }

// Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === strundefined ) { return jQuery.prop( elem, name, value ); }

// All attributes are lowercase // Grab necessary hook if one is defined if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { name = name.toLowerCase(); hooks = jQuery.attrHooks[ name ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook ); }

if ( value !== undefined ) {

if ( value === null ) { jQuery.removeAttr( elem, name );

} else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) { return ret;

} else { elem.setAttribute( name, value + "" ); return value; }

} else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) { return ret;

} else { ret = jQuery.find.attr( elem, name );

// Non-existent attributes return null, we normalize to undefined return ret == null ? undefined : ret; } },

removeAttr: function( elem, value ) { var name, propName, i = 0, attrNames = value && value.match( rnotwhite );

if ( attrNames && elem.nodeType === 1 ) { while ( (name = attrNames[i++]) ) { propName = jQuery.propFix[ name ] || name;

// Boolean attributes get special treatment (#10870) if ( jQuery.expr.match.bool.test( name ) ) { // Set corresponding property to false elem[ propName ] = false; }

elem.removeAttribute( name ); } } },

attrHooks: { type: { set: function( elem, value ) { if ( !support.radioValue && value === "radio" && jQuery.nodeName( elem, "input" ) ) { var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } } });

// Hooks for boolean attributes boolHook = { set: function( elem, value, name ) { if ( value === false ) { // Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else { elem.setAttribute( name, name ); } return name; } }; jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { var getter = attrHandle[ name ] || jQuery.find.attr;

attrHandle[ name ] = function( elem, name, isXML ) { var ret, handle; if ( !isXML ) { // Avoid an infinite loop by temporarily removing this function from the getter handle = attrHandle[ name ]; attrHandle[ name ] = ret; ret = getter( elem, name, isXML ) != null ? name.toLowerCase() : null; attrHandle[ name ] = handle; } return ret; }; });

var rfocusable = /^(?:input|select|textarea|button)$/i;

jQuery.fn.extend({ prop: function( name, value ) { return access( this, jQuery.prop, name, value, arguments.length > 1 ); },

removeProp: function( name ) { return this.each(function() { delete this[ jQuery.propFix[ name ] || name ]; }); } });

jQuery.extend({ propFix: { "for": "htmlFor", "class": "className" },

prop: function( elem, name, value ) { var ret, hooks, notxml, nType = elem.nodeType;

// Don't get/set properties on text, comment and attribute nodes if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { return; }

notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

if ( notxml ) { // Fix name and attach hooks name = jQuery.propFix[ name ] || name; hooks = jQuery.propHooks[ name ]; }

if ( value !== undefined ) { return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ? ret : ( elem[ name ] = value );

} else { return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ? ret : elem[ name ]; } },

propHooks: { tabIndex: { get: function( elem ) { return elem.hasAttribute( "tabindex" ) || rfocusable.test( elem.nodeName ) || elem.href ? elem.tabIndex : -1; } } } });

if ( !support.optSelected ) { jQuery.propHooks.selected = { get: function( elem ) { var parent = elem.parentNode; if ( parent && parent.parentNode ) { parent.parentNode.selectedIndex; } return null; } }; }

jQuery.each([ "tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable" ], function() { jQuery.propFix[ this.toLowerCase() ] = this; });

var rclass = /[\t\r\n\f]/g;

jQuery.fn.extend({ addClass: function( value ) { var classes, elem, cur, clazz, j, finalValue, proceed = typeof value === "string" && value, i = 0, len = this.length;

if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).addClass( value.call( this, j, this.className ) ); }); }

if ( proceed ) { // The disjunction here is for better compressibility (see removeClass) classes = ( value || "" ).match( rnotwhite ) || [];

for ( ; i < len; i++ ) { elem = this[ i ]; cur = elem.nodeType === 1 && ( elem.className ? ( " " + elem.className + " " ).replace( rclass, " " ) : " " );

if ( cur ) { j = 0; while ( (clazz = classes[j++]) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } }

// only assign if different to avoid unneeded rendering. finalValue = jQuery.trim( cur ); if ( elem.className !== finalValue ) { elem.className = finalValue; } } } }

return this; },

removeClass: function( value ) { var classes, elem, cur, clazz, j, finalValue, proceed = arguments.length === 0 || typeof value === "string" && value, i = 0, len = this.length;

if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).removeClass( value.call( this, j, this.className ) ); }); } if ( proceed ) { classes = ( value || "" ).match( rnotwhite ) || [];

for ( ; i < len; i++ ) { elem = this[ i ]; // This expression is here for better compressibility (see addClass) cur = elem.nodeType === 1 && ( elem.className ? ( " " + elem.className + " " ).replace( rclass, " " ) : "" );

if ( cur ) { j = 0; while ( (clazz = classes[j++]) ) { // Remove *all* instances while ( cur.indexOf( " " + clazz + " " ) >= 0 ) { cur = cur.replace( " " + clazz + " ", " " ); } }

// Only assign if different to avoid unneeded rendering. finalValue = value ? jQuery.trim( cur ) : ""; if ( elem.className !== finalValue ) { elem.className = finalValue; } } } }

return this; },

toggleClass: function( value, stateVal ) { var type = typeof value;

if ( typeof stateVal === "boolean" && type === "string" ) { return stateVal ? this.addClass( value ) : this.removeClass( value ); }

if ( jQuery.isFunction( value ) ) { return this.each(function( i ) { jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal ); }); }

return this.each(function() { if ( type === "string" ) { // Toggle individual class names var className, i = 0, self = jQuery( this ), classNames = value.match( rnotwhite ) || [];

while ( (className = classNames[ i++ ]) ) { // Check each className given, space separated list if ( self.hasClass( className ) ) { self.removeClass( className ); } else { self.addClass( className ); } }

// Toggle whole class name } else if ( type === strundefined || type === "boolean" ) { if ( this.className ) { // store className if set data_priv.set( this, "__className__", this.className ); }

// If the element has a class name or if we're passed `false`, // then remove the whole classname (if there was one, the above saved it). // Otherwise bring back whatever was previously saved (if anything), // falling back to the empty string if nothing was stored. this.className = this.className || value === false ? "" : data_priv.get( this, "__className__" ) || ""; } }); },

hasClass: function( selector ) { var className = " " + selector + " ", i = 0, l = this.length; for ( ; i < l; i++ ) { if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) { return true; } }

return false; } });

var rreturn = /\r/g;

jQuery.fn.extend({ val: function( value ) { var hooks, ret, isFunction, elem = this[0];

if ( !arguments.length ) { if ( elem ) { hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];

if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) { return ret; }

ret = elem.value;

return typeof ret === "string" ? // Handle most common string cases ret.replace(rreturn, "") : // Handle cases where value is null/undef or number ret == null ? "" : ret; }

return; }

isFunction = jQuery.isFunction( value );

return this.each(function( i ) { var val;

if ( this.nodeType !== 1 ) { return; }

if ( isFunction ) { val = value.call( this, i, jQuery( this ).val() ); } else { val = value; }

// Treat null/undefined as ""; convert numbers to string if ( val == null ) { val = "";

} else if ( typeof val === "number" ) { val += "";

} else if ( jQuery.isArray( val ) ) { val = jQuery.map( val, function( value ) { return value == null ? "" : value + ""; }); }

hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];

// If set returns undefined, fall back to normal setting if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) { this.value = val; } }); } });

jQuery.extend({ valHooks: { option: { get: function( elem ) { var val = jQuery.find.attr( elem, "value" ); return val != null ? val : // Support: IE10-11+ // option.text throws exceptions (#14686, #14858) jQuery.trim( jQuery.text( elem ) ); } }, select: { get: function( elem ) { var value, option, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one" || index < 0, values = one ? null : [], max = one ? index + 1 : options.length, i = index < 0 ? max : one ? index : 0;

// Loop through all the selected options for ( ; i < max; i++ ) { option = options[ i ];

// IE6-9 doesn't update selected after form reset (#2551) if ( ( option.selected || i === index ) && // Don't return options that are disabled or in a disabled optgroup ( support.optDisabled ? !option.disabled : option.getAttribute( "disabled" ) === null ) && ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {

// Get the specific value for the option value = jQuery( option ).val();

// We don't need an array for one selects if ( one ) { return value; }

// Multi-Selects return an array values.push( value ); } }

return values; },

set: function( elem, value ) { var optionSet, option, options = elem.options, values = jQuery.makeArray( value ), i = options.length;

while ( i-- ) { option = options[ i ]; if ( (option.selected = jQuery.inArray( option.value, values ) >= 0) ) { optionSet = true; } }

// Force browsers to behave consistently when non-matching value is set if ( !optionSet ) { elem.selectedIndex = -1; } return values; } } } });

// Radios and checkboxes getter/setter jQuery.each([ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { set: function( elem, value ) { if ( jQuery.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 ); } } }; if ( !support.checkOn ) { jQuery.valHooks[ this ].get = function( elem ) { return elem.getAttribute("value") === null ? "on" : elem.value; }; } });

// Return jQuery for attributes-only inclusion

jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " + "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {

// Handle event binding jQuery.fn[ name ] = function( data, fn ) { return arguments.length > 0 ? this.on( name, null, data, fn ) : this.trigger( name ); }; });

jQuery.fn.extend({ hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); },

bind: function( types, data, fn ) { return this.on( types, null, data, fn ); }, unbind: function( types, fn ) { return this.off( types, null, fn ); },

delegate: function( selector, types, data, fn ) { return this.on( types, selector, data, fn ); }, undelegate: function( selector, types, fn ) { // ( namespace ) or ( selector, types [, fn] ) return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); } });

var nonce = jQuery.now();

var rquery = (/\?/);

// Support: Android 2.3 // Workaround failure to string-cast null input jQuery.parseJSON = function( data ) { return JSON.parse( data + "" ); };

// Cross-browser xml parsing jQuery.parseXML = function( data ) { var xml, tmp; if ( !data || typeof data !== "string" ) { return null; }

// Support: IE9 try { tmp = new DOMParser(); xml = tmp.parseFromString( data, "text/xml" ); } catch ( e ) { xml = undefined; }

if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) { jQuery.error( "Invalid XML: " + data ); } return xml; };

var rhash = /#.*$/, rts = /([?&])_=[^&]*/, rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, // #7653, #8125, #8152: local protocol detection rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//, rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,

/* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {},

/* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {},

// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression allTypes = "*/".concat( "*" ),

// Document location ajaxLocation = window.location.href,

// Segment location into parts ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];

// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) {

// dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) {

if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; }

var dataType, i = 0, dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];

if ( jQuery.isFunction( func ) ) { // For each dataType in the dataTypeExpression while ( (dataType = dataTypes[i++]) ) { // Prepend if requested if ( dataType[0] === "+" ) { dataType = dataType.slice( 1 ) || "*"; (structure[ dataType ] = structure[ dataType ] || []).unshift( func );

// Otherwise append } else { (structure[ dataType ] = structure[ dataType ] || []).push( func ); } } } }; }

// Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {

var inspected = {}, seekingTransport = ( structure === transports );

return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); }

// A special extend for ajax options // that takes "flat" options (not to be deep extended) // Fixes #9887 function ajaxExtend( target, src ) { var key, deep, flatOptions = jQuery.ajaxSettings.flatOptions || {};

for ( key in src ) { if ( src[ key ] !== undefined ) { ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ]; } } if ( deep ) { jQuery.extend( true, target, deep ); }

return target; }

/* Handles responses to an ajax request:

* - finds the right dataType (mediates between content-type and expected dataType)
* - returns the corresponding response
*/

function ajaxHandleResponses( s, jqXHR, responses ) {

var ct, type, finalDataType, firstDataType, contents = s.contents, dataTypes = s.dataTypes;

// Remove auto dataType and get content-type in the process while ( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = s.mimeType || jqXHR.getResponseHeader("Content-Type"); } }

// Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } }

// Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else { // Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } } // Or just use first one finalDataType = finalDataType || firstDataType; }

// If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } }

/* Chain conversions given the request and the original response

* Also sets the responseXXX fields on the jqXHR instance
*/

function ajaxConvert( s, response, jqXHR, isSuccess ) { var conv2, current, conv, tmp, prev, converters = {}, // Work with a copy of dataTypes in case we need to modify it for conversion dataTypes = s.dataTypes.slice();

// Create converters map with lowercased keys if ( dataTypes[ 1 ] ) { for ( conv in s.converters ) { converters[ conv.toLowerCase() ] = s.converters[ conv ]; } }

current = dataTypes.shift();

// Convert to each sequential dataType while ( current ) {

if ( s.responseFields[ current ] ) { jqXHR[ s.responseFields[ current ] ] = response; }

// Apply the dataFilter if provided if ( !prev && isSuccess && s.dataFilter ) { response = s.dataFilter( response, s.dataType ); }

prev = current; current = dataTypes.shift();

if ( current ) {

// There's only work to do if current dataType is non-auto if ( current === "*" ) {

current = prev;

// Convert response if prev dataType is non-auto and differs from current } else if ( prev !== "*" && prev !== current ) {

// Seek a direct converter conv = converters[ prev + " " + current ] || converters[ "* " + current ];

// If none found, seek a pair if ( !conv ) { for ( conv2 in converters ) {

// If conv2 outputs current tmp = conv2.split( " " ); if ( tmp[ 1 ] === current ) {

// If prev can be converted to accepted input conv = converters[ prev + " " + tmp[ 0 ] ] || converters[ "* " + tmp[ 0 ] ]; if ( conv ) { // Condense equivalence converters if ( conv === true ) { conv = converters[ conv2 ];

// Otherwise, insert the intermediate dataType } else if ( converters[ conv2 ] !== true ) { current = tmp[ 0 ]; dataTypes.unshift( tmp[ 1 ] ); } break; } } } }

// Apply converter (if not an equivalence) if ( conv !== true ) {

// Unless errors are allowed to bubble, catch and return them if ( conv && s[ "throws" ] ) { response = conv( response ); } else { try { response = conv( response ); } catch ( e ) { return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; } } } } } }

return { state: "success", data: response }; }

jQuery.extend({

// Counter for holding the number of active queries active: 0,

// Last-Modified header cache for next request lastModified: {}, etag: {},

ajaxSettings: { url: ajaxLocation, type: "GET", isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ), global: true, processData: true, async: true, contentType: "application/x-www-form-urlencoded; charset=UTF-8", /* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, throws: false, traditional: false, headers: {}, */

accepts: { "*": allTypes, text: "text/plain", html: "text/html", xml: "application/xml, text/xml", json: "application/json, text/javascript" },

contents: { xml: /xml/, html: /html/, json: /json/ },

responseFields: { xml: "responseXML", text: "responseText", json: "responseJSON" },

// Data converters // Keys separate source (or catchall "*") and destination types with a single space converters: {

// Convert anything to text "* text": String,

// Text to html (true = no transformation) "text html": true,

// Evaluate text as a json expression "text json": jQuery.parseJSON,

// Parse text as xml "text xml": jQuery.parseXML },

// For options that shouldn't be deep extended: // you can add your own custom options here if // and when you create one that shouldn't be // deep extended (see ajaxExtend) flatOptions: { url: true, context: true } },

// Creates a full fledged settings object into target // with both ajaxSettings and settings fields. // If target is omitted, writes into ajaxSettings. ajaxSetup: function( target, settings ) { return settings ?

// Building a settings object ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :

// Extending ajaxSettings ajaxExtend( jQuery.ajaxSettings, target ); },

ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ),

// Main method ajax: function( url, options ) {

// If url is an object, simulate pre-1.5 signature if ( typeof url === "object" ) { options = url; url = undefined; }

// Force options to be an object options = options || {};

var transport, // URL without anti-cache param cacheURL, // Response headers responseHeadersString, responseHeaders, // timeout handle timeoutTimer, // Cross-domain detection vars parts, // To know if global events are to be dispatched fireGlobals, // Loop variable i, // Create the final options object s = jQuery.ajaxSetup( {}, options ), // Callbacks context callbackContext = s.context || s, // Context for global events is callbackContext if it is a DOM node or jQuery collection globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? jQuery( callbackContext ) : jQuery.event, // Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery.Callbacks("once memory"), // Status-dependent callbacks statusCode = s.statusCode || {}, // Headers (they are sent all at once) requestHeaders = {}, requestHeadersNames = {}, // The jqXHR state state = 0, // Default abort message strAbort = "canceled", // Fake xhr jqXHR = { readyState: 0,

// Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( state === 2 ) { if ( !responseHeaders ) { responseHeaders = {}; while ( (match = rheaders.exec( responseHeadersString )) ) { responseHeaders[ match[1].toLowerCase() ] = match[ 2 ]; } } match = responseHeaders[ key.toLowerCase() ]; } return match == null ? null : match; },

// Raw string getAllResponseHeaders: function() { return state === 2 ? responseHeadersString : null; },

// Caches the header setRequestHeader: function( name, value ) { var lname = name.toLowerCase(); if ( !state ) { name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name; requestHeaders[ name ] = value; } return this; },

// Overrides response content-type header overrideMimeType: function( type ) { if ( !state ) { s.mimeType = type; } return this; },

// Status-dependent callbacks statusCode: function( map ) { var code; if ( map ) { if ( state < 2 ) { for ( code in map ) { // Lazy-add the new callback in a way that preserves old ones statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; } } else { // Execute the appropriate callbacks jqXHR.always( map[ jqXHR.status ] ); } } return this; },

// Cancel the request abort: function( statusText ) { var finalText = statusText || strAbort; if ( transport ) { transport.abort( finalText ); } done( 0, finalText ); return this; } };

// Attach deferreds deferred.promise( jqXHR ).complete = completeDeferred.add; jqXHR.success = jqXHR.done; jqXHR.error = jqXHR.fail;

// Remove hash character (#7531: and string promotion) // Add protocol if not provided (prefilters might expect it) // Handle falsy url in the settings object (#10093: consistency with old signature) // We also use the url parameter if available s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ) .replace( rprotocol, ajaxLocParts[ 1 ] + "//" );

// Alias method option to type as per ticket #12004 s.type = options.method || options.type || s.method || s.type;

// Extract dataTypes list s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];

// A cross-domain request is in order when we have a protocol:host:port mismatch if ( s.crossDomain == null ) { parts = rurl.exec( s.url.toLowerCase() ); s.crossDomain = !!( parts && ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] || ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !== ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) ) ); }

// Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); }

// Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );

// If request was aborted inside a prefilter, stop there if ( state === 2 ) { return jqXHR; }

// We can fire global events as of now if asked to // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) fireGlobals = jQuery.event && s.global;

// Watch for a new set of requests if ( fireGlobals && jQuery.active++ === 0 ) { jQuery.event.trigger("ajaxStart"); }

// Uppercase the type s.type = s.type.toUpperCase();

// Determine if request has content s.hasContent = !rnoContent.test( s.type );

// Save the URL in case we're toying with the If-Modified-Since // and/or If-None-Match header later on cacheURL = s.url;

// More options handling for requests with no content if ( !s.hasContent ) {

// If data is available, append data to url if ( s.data ) { cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data ); // #9682: remove data so that it's not used in an eventual retry delete s.data; }

// Add anti-cache in url if needed if ( s.cache === false ) { s.url = rts.test( cacheURL ) ?

// If there is already a '_' parameter, set its value cacheURL.replace( rts, "$1_=" + nonce++ ) :

// Otherwise add one to the end cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++; } }

// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( jQuery.lastModified[ cacheURL ] ) { jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); } if ( jQuery.etag[ cacheURL ] ) { jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); } }

// Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { jqXHR.setRequestHeader( "Content-Type", s.contentType ); }

// Set the Accepts header for the server, depending on the dataType jqXHR.setRequestHeader( "Accept", s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ? s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : s.accepts[ "*" ] );

// Check for headers option for ( i in s.headers ) { jqXHR.setRequestHeader( i, s.headers[ i ] ); }

// Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) { // Abort if not done already and return return jqXHR.abort(); }

// Aborting is no longer a cancellation strAbort = "abort";

// Install callbacks on deferreds for ( i in { success: 1, error: 1, complete: 1 } ) { jqXHR[ i ]( s[ i ] ); }

// Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );

// If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { jqXHR.readyState = 1;

// Send global event if ( fireGlobals ) { globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); } // Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = setTimeout(function() { jqXHR.abort("timeout"); }, s.timeout ); }

try { state = 1; transport.send( requestHeaders, done ); } catch ( e ) { // Propagate exception as error if not done if ( state < 2 ) { done( -1, e ); // Simply rethrow otherwise } else { throw e; } } }

// Callback for when everything is done function done( status, nativeStatusText, responses, headers ) { var isSuccess, success, error, response, modified, statusText = nativeStatusText;

// Called once if ( state === 2 ) { return; }

// State is "done" now state = 2;

// Clear timeout if it exists if ( timeoutTimer ) { clearTimeout( timeoutTimer ); }

// Dereference transport for early garbage collection // (no matter how long the jqXHR object will be used) transport = undefined;

// Cache response headers responseHeadersString = headers || "";

// Set readyState jqXHR.readyState = status > 0 ? 4 : 0;

// Determine if successful isSuccess = status >= 200 && status < 300 || status === 304;

// Get response data if ( responses ) { response = ajaxHandleResponses( s, jqXHR, responses ); }

// Convert no matter what (that way responseXXX fields are always set) response = ajaxConvert( s, response, jqXHR, isSuccess );

// If successful, handle type chaining if ( isSuccess ) {

// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { modified = jqXHR.getResponseHeader("Last-Modified"); if ( modified ) { jQuery.lastModified[ cacheURL ] = modified; } modified = jqXHR.getResponseHeader("etag"); if ( modified ) { jQuery.etag[ cacheURL ] = modified; } }

// if no content if ( status === 204 || s.type === "HEAD" ) { statusText = "nocontent";

// if not modified } else if ( status === 304 ) { statusText = "notmodified";

// If we have data, let's convert it } else { statusText = response.state; success = response.data; error = response.error; isSuccess = !error; } } else { // Extract error from statusText and normalize for non-aborts error = statusText; if ( status || !statusText ) { statusText = "error"; if ( status < 0 ) { status = 0; } } }

// Set data for the fake xhr object jqXHR.status = status; jqXHR.statusText = ( nativeStatusText || statusText ) + "";

// Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); } else { deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); }

// Status-dependent callbacks jqXHR.statusCode( statusCode ); statusCode = undefined;

if ( fireGlobals ) { globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", [ jqXHR, s, isSuccess ? success : error ] ); }

// Complete completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );

if ( fireGlobals ) { globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); // Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger("ajaxStop"); } } }

return jqXHR; },

getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); },

getScript: function( url, callback ) { return jQuery.get( url, undefined, callback, "script" ); } });

jQuery.each( [ "get", "post" ], function( i, method ) { jQuery[ method ] = function( url, data, callback, type ) { // Shift arguments if data argument was omitted if ( jQuery.isFunction( data ) ) { type = type || callback; callback = data; data = undefined; }

return jQuery.ajax({ url: url, type: method, dataType: type, data: data, success: callback }); }; });

jQuery._evalUrl = function( url ) { return jQuery.ajax({ url: url, type: "GET", dataType: "script", async: false, global: false, "throws": true }); };

jQuery.fn.extend({ wrapAll: function( html ) { var wrap;

if ( jQuery.isFunction( html ) ) { return this.each(function( i ) { jQuery( this ).wrapAll( html.call(this, i) ); }); }

if ( this[ 0 ] ) {

// The elements to wrap the target around wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );

if ( this[ 0 ].parentNode ) { wrap.insertBefore( this[ 0 ] ); }

wrap.map(function() { var elem = this;

while ( elem.firstElementChild ) { elem = elem.firstElementChild; }

return elem; }).append( this ); }

return this; },

wrapInner: function( html ) { if ( jQuery.isFunction( html ) ) { return this.each(function( i ) { jQuery( this ).wrapInner( html.call(this, i) ); }); }

return this.each(function() { var self = jQuery( this ), contents = self.contents();

if ( contents.length ) { contents.wrapAll( html );

} else { self.append( html ); } }); },

wrap: function( html ) { var isFunction = jQuery.isFunction( html );

return this.each(function( i ) { jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html ); }); },

unwrap: function() { return this.parent().each(function() { if ( !jQuery.nodeName( this, "body" ) ) { jQuery( this ).replaceWith( this.childNodes ); } }).end(); } });

jQuery.expr.filters.hidden = function( elem ) { // Support: Opera <= 12.12 // Opera reports offsetWidths and offsetHeights less than zero on some elements return elem.offsetWidth <= 0 && elem.offsetHeight <= 0; }; jQuery.expr.filters.visible = function( elem ) { return !jQuery.expr.filters.hidden( elem ); };

function buildParams( prefix, obj, traditional, add ) { var name;

if ( jQuery.isArray( obj ) ) { // Serialize array item. jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) { // Treat each array item as a scalar. add( prefix, v );

} else { // Item is non-scalar (array or object), encode its numeric index. buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add ); } });

} else if ( !traditional && jQuery.type( obj ) === "object" ) { // Serialize object item. for ( name in obj ) { buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); }

} else { // Serialize scalar item. add( prefix, obj ); } }

// Serialize an array of form elements or a set of // key/values into a query string jQuery.param = function( a, traditional ) { var prefix, s = [], add = function( key, value ) { // If value is a function, invoke it and return its value value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value ); s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); };

// Set traditional to true for jQuery <= 1.3.2 behavior. if ( traditional === undefined ) { traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional; }

// If an array was passed in, assume that it is an array of form elements. if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { // Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); });

} else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } }

// Return the resulting serialization return s.join( "&" ).replace( r20, "+" ); };

jQuery.fn.extend({ serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map(function() { // Can add propHook for "elements" to filter or add form elements var elements = jQuery.prop( this, "elements" ); return elements ? jQuery.makeArray( elements ) : this; }) .filter(function() { var type = this.type;

// Use .is( ":disabled" ) so that fieldset[disabled] works return this.name && !jQuery( this ).is( ":disabled" ) && rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && ( this.checked || !rcheckableType.test( type ) ); }) .map(function( i, elem ) { var val = jQuery( this ).val();

return val == null ? null : jQuery.isArray( val ) ? jQuery.map( val, function( val ) { return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }) : { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }).get(); } });

jQuery.ajaxSettings.xhr = function() { try { return new XMLHttpRequest(); } catch( e ) {} };

var xhrId = 0, xhrCallbacks = {}, xhrSuccessStatus = { // file protocol always yields status code 0, assume 200 0: 200, // Support: IE9 // #1450: sometimes IE returns 1223 when it should be 204 1223: 204 }, xhrSupported = jQuery.ajaxSettings.xhr();

// Support: IE9 // Open requests must be manually aborted on unload (#5280) // See https://support.microsoft.com/kb/2856746 for more info if ( window.attachEvent ) { window.attachEvent( "onunload", function() { for ( var key in xhrCallbacks ) { xhrCallbacks[ key ](); } }); }

support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); support.ajax = xhrSupported = !!xhrSupported;

jQuery.ajaxTransport(function( options ) { var callback;

// Cross domain only allowed if supported through XMLHttpRequest if ( support.cors || xhrSupported && !options.crossDomain ) { return { send: function( headers, complete ) { var i, xhr = options.xhr(), id = ++xhrId;

xhr.open( options.type, options.url, options.async, options.username, options.password );

// Apply custom fields if provided if ( options.xhrFields ) { for ( i in options.xhrFields ) { xhr[ i ] = options.xhrFields[ i ]; } }

// Override mime type if needed if ( options.mimeType && xhr.overrideMimeType ) { xhr.overrideMimeType( options.mimeType ); }

// X-Requested-With header // For cross-domain requests, seeing as conditions for a preflight are // akin to a jigsaw puzzle, we simply never set it to be sure. // (it can always be set on a per-request basis or even using ajaxSetup) // For same-domain requests, won't change header if already provided. if ( !options.crossDomain && !headers["X-Requested-With"] ) { headers["X-Requested-With"] = "XMLHttpRequest"; }

// Set headers for ( i in headers ) { xhr.setRequestHeader( i, headers[ i ] ); }

// Callback callback = function( type ) { return function() { if ( callback ) { delete xhrCallbacks[ id ]; callback = xhr.onload = xhr.onerror = null;

if ( type === "abort" ) { xhr.abort(); } else if ( type === "error" ) { complete( // file: protocol always yields status 0; see #8605, #14207 xhr.status, xhr.statusText ); } else { complete( xhrSuccessStatus[ xhr.status ] || xhr.status, xhr.statusText, // Support: IE9 // Accessing binary-data responseText throws an exception // (#11426) typeof xhr.responseText === "string" ? { text: xhr.responseText } : undefined, xhr.getAllResponseHeaders() ); } } }; };

// Listen to events xhr.onload = callback(); xhr.onerror = callback("error");

// Create the abort callback callback = xhrCallbacks[ id ] = callback("abort");

try { // Do send the request (this may raise an exception) xhr.send( options.hasContent && options.data || null ); } catch ( e ) { // #14683: Only rethrow if this hasn't been notified as an error yet if ( callback ) { throw e; } } },

abort: function() { if ( callback ) { callback(); } } }; } });

// Install script dataType jQuery.ajaxSetup({ accepts: { script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript" }, contents: { script: /(?:java|ecma)script/ }, converters: { "text script": function( text ) { jQuery.globalEval( text ); return text; } } });

// Handle cache's special case and crossDomain jQuery.ajaxPrefilter( "script", function( s ) { if ( s.cache === undefined ) { s.cache = false; } if ( s.crossDomain ) { s.type = "GET"; } });

// Bind script tag hack transport jQuery.ajaxTransport( "script", function( s ) { // This transport only deals with cross domain requests if ( s.crossDomain ) { var script, callback; return { send: function( _, complete ) { script = jQuery("<script>").prop({ async: true, charset: s.scriptCharset, src: s.url }).on( "load error", callback = function( evt ) { script.remove(); callback = null; if ( evt ) { complete( evt.type === "error" ? 404 : 200, evt.type ); } } ); document.head.appendChild( script[ 0 ] ); }, abort: function() { if ( callback ) { callback(); } } }; } });

var oldCallbacks = [], rjsonp = /(=)\?(?=&|$)|\?\?/;

// Default jsonp settings jQuery.ajaxSetup({ jsonp: "callback", jsonpCallback: function() { var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) ); this[ callback ] = true; return callback; } });

// Detect, normalize options and install callbacks for jsonp requests jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

var callbackName, overwritten, responseContainer, jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? "url" : typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data" );

// Handle iff the expected data type is "jsonp" or we have a parameter to set if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {

// Get callback name, remembering preexisting value associated with it callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback;

// Insert callback into url or form data if ( jsonProp ) { s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); } else if ( s.jsonp !== false ) { s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; }

// Use data converter to retrieve json after script execution s.converters["script json"] = function() { if ( !responseContainer ) { jQuery.error( callbackName + " was not called" ); } return responseContainer[ 0 ]; };

// force json dataType s.dataTypes[ 0 ] = "json";

// Install callback overwritten = window[ callbackName ]; window[ callbackName ] = function() { responseContainer = arguments; };

// Clean-up function (fires after converters) jqXHR.always(function() { // Restore preexisting value window[ callbackName ] = overwritten;

// Save back as free if ( s[ callbackName ] ) { // make sure that re-using the options doesn't screw things around s.jsonpCallback = originalSettings.jsonpCallback;

// save the callback name for future use oldCallbacks.push( callbackName ); }

// Call if it was a function and we have a response if ( responseContainer && jQuery.isFunction( overwritten ) ) { overwritten( responseContainer[ 0 ] ); }

responseContainer = overwritten = undefined; });

// Delegate to script return "script"; } });

// data: string of html // context (optional): If specified, the fragment will be created in this context, defaults to document // keepScripts (optional): If true, will include scripts passed in the html string jQuery.parseHTML = function( data, context, keepScripts ) { if ( !data || typeof data !== "string" ) { return null; } if ( typeof context === "boolean" ) { keepScripts = context; context = false; } context = context || document;

var parsed = rsingleTag.exec( data ), scripts = !keepScripts && [];

// Single tag if ( parsed ) { return [ context.createElement( parsed[1] ) ]; }

parsed = jQuery.buildFragment( [ data ], context, scripts );

if ( scripts && scripts.length ) { jQuery( scripts ).remove(); }

return jQuery.merge( [], parsed.childNodes ); };

// Keep a copy of the old load method var _load = jQuery.fn.load;

/**

* Load a url into a page
*/

jQuery.fn.load = function( url, params, callback ) { if ( typeof url !== "string" && _load ) { return _load.apply( this, arguments ); }

var selector, type, response, self = this, off = url.indexOf(" ");

if ( off >= 0 ) { selector = jQuery.trim( url.slice( off ) ); url = url.slice( 0, off ); }

// If it's a function if ( jQuery.isFunction( params ) ) {

// We assume that it's the callback callback = params; params = undefined;

// Otherwise, build a param string } else if ( params && typeof params === "object" ) { type = "POST"; }

// If we have elements to modify, make the request if ( self.length > 0 ) { jQuery.ajax({ url: url,

// if "type" variable is undefined, then "GET" method will be used type: type, dataType: "html", data: params }).done(function( responseText ) {

// Save response for use in complete callback response = arguments;

self.html( selector ?

// If a selector was specified, locate the right elements in a dummy div // Exclude scripts to avoid IE 'Permission Denied' errors

jQuery("

").append( jQuery.parseHTML( responseText ) ).find( selector ) :

// Otherwise use the full result responseText );

}).complete( callback && function( jqXHR, status ) { self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] ); }); }

return this; };

// Attach a bunch of functions for handling common AJAX events jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) { jQuery.fn[ type ] = function( fn ) { return this.on( type, fn ); }; });

jQuery.expr.filters.animated = function( elem ) { return jQuery.grep(jQuery.timers, function( fn ) { return elem === fn.elem; }).length; };

var docElem = window.document.documentElement;

/**

* Gets a window from an element
*/

function getWindow( elem ) { return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView; }

jQuery.offset = { setOffset: function( elem, options, i ) { var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, position = jQuery.css( elem, "position" ), curElem = jQuery( elem ), props = {};

// Set position first, in-case top/left are set even on static elem if ( position === "static" ) { elem.style.position = "relative"; }

curOffset = curElem.offset(); curCSSTop = jQuery.css( elem, "top" ); curCSSLeft = jQuery.css( elem, "left" ); calculatePosition = ( position === "absolute" || position === "fixed" ) && ( curCSSTop + curCSSLeft ).indexOf("auto") > -1;

// Need to be able to calculate position if either // top or left is auto and position is either absolute or fixed if ( calculatePosition ) { curPosition = curElem.position(); curTop = curPosition.top; curLeft = curPosition.left;

} else { curTop = parseFloat( curCSSTop ) || 0; curLeft = parseFloat( curCSSLeft ) || 0; }

if ( jQuery.isFunction( options ) ) { options = options.call( elem, i, curOffset ); }

if ( options.top != null ) { props.top = ( options.top - curOffset.top ) + curTop; } if ( options.left != null ) { props.left = ( options.left - curOffset.left ) + curLeft; }

if ( "using" in options ) { options.using.call( elem, props );

} else { curElem.css( props ); } } };

jQuery.fn.extend({ offset: function( options ) { if ( arguments.length ) { return options === undefined ? this : this.each(function( i ) { jQuery.offset.setOffset( this, options, i ); }); }

var docElem, win, elem = this[ 0 ], box = { top: 0, left: 0 }, doc = elem && elem.ownerDocument;

if ( !doc ) { return; }

docElem = doc.documentElement;

// Make sure it's not a disconnected DOM node if ( !jQuery.contains( docElem, elem ) ) { return box; }

// Support: BlackBerry 5, iOS 3 (original iPhone) // If we don't have gBCR, just use 0,0 rather than error if ( typeof elem.getBoundingClientRect !== strundefined ) { box = elem.getBoundingClientRect(); } win = getWindow( doc ); return { top: box.top + win.pageYOffset - docElem.clientTop, left: box.left + win.pageXOffset - docElem.clientLeft }; },

position: function() { if ( !this[ 0 ] ) { return; }

var offsetParent, offset, elem = this[ 0 ], parentOffset = { top: 0, left: 0 };

// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent if ( jQuery.css( elem, "position" ) === "fixed" ) { // Assume getBoundingClientRect is there when computed position is fixed offset = elem.getBoundingClientRect();

} else { // Get *real* offsetParent offsetParent = this.offsetParent();

// Get correct offsets offset = this.offset(); if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) { parentOffset = offsetParent.offset(); }

// Add offsetParent borders parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ); parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ); }

// Subtract parent offsets and element margins return { top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) }; },

offsetParent: function() { return this.map(function() { var offsetParent = this.offsetParent || docElem;

while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) { offsetParent = offsetParent.offsetParent; }

return offsetParent || docElem; }); } });

// Create scrollLeft and scrollTop methods jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { var top = "pageYOffset" === prop;

jQuery.fn[ method ] = function( val ) { return access( this, function( elem, method, val ) { var win = getWindow( elem );

if ( val === undefined ) { return win ? win[ prop ] : elem[ method ]; }

if ( win ) { win.scrollTo( !top ? val : window.pageXOffset, top ? val : window.pageYOffset );

} else { elem[ method ] = val; } }, method, val, arguments.length, null ); }; });

// Support: Safari<7+, Chrome<37+ // Add the top/left cssHooks using jQuery.fn.position // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 // Blink bug: https://code.google.com/p/chromium/issues/detail?id=229280 // getComputedStyle returns percent when specified for top/left/bottom/right; // rather than make the css module depend on the offset module, just check for it here jQuery.each( [ "top", "left" ], function( i, prop ) { jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, function( elem, computed ) { if ( computed ) { computed = curCSS( elem, prop ); // If curCSS returns percentage, fallback to offset return rnumnonpx.test( computed ) ? jQuery( elem ).position()[ prop ] + "px" : computed; } } ); });

// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods jQuery.each( { Height: "height", Width: "width" }, function( name, type ) { jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) { // Margin is only for outerHeight, outerWidth jQuery.fn[ funcName ] = function( margin, value ) { var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );

return access( this, function( elem, type, value ) { var doc;

if ( jQuery.isWindow( elem ) ) { // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there // isn't a whole lot we can do. See pull request at this URL for discussion: // https://github.com/jquery/jquery/pull/764 return elem.document.documentElement[ "client" + name ]; }

// Get document width or height if ( elem.nodeType === 9 ) { doc = elem.documentElement;

// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], // whichever is greatest return Math.max( elem.body[ "scroll" + name ], doc[ "scroll" + name ], elem.body[ "offset" + name ], doc[ "offset" + name ], doc[ "client" + name ] ); }

return value === undefined ? // Get width or height on the element, requesting but not forcing parseFloat jQuery.css( elem, type, extra ) :

// Set width or height on the element jQuery.style( elem, type, value, extra ); }, type, chainable ? margin : undefined, chainable, null ); }; }); });

// The number of elements contained in the matched element set jQuery.fn.size = function() { return this.length; };

jQuery.fn.andSelf = jQuery.fn.addBack;

// Register as a named AMD module, since jQuery can be concatenated with other // files that may use define, but not via a proper concatenation script that // understands anonymous AMD modules. A named AMD is safest and most robust // way to register. Lowercase jquery is used because AMD module names are // derived from file names, and jQuery is normally delivered in a lowercase // file name. Do this after creating the global so that if an AMD module wants // to call noConflict to hide this version of jQuery, it will work.

// Note that for maximum portability, libraries that are not jQuery should // declare themselves as anonymous modules, and avoid setting a global if an // AMD loader is present. jQuery is a special case. For more information, see // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon

if ( typeof define === "function" && define.amd ) { define( "jquery", [], function() { return jQuery; }); }

var // Map over jQuery in case of overwrite _jQuery = window.jQuery,

// Map over the $ in case of overwrite _$ = window.$;

jQuery.noConflict = function( deep ) { if ( window.$ === jQuery ) { window.$ = _$; }

if ( deep && window.jQuery === jQuery ) { window.jQuery = _jQuery; }

return jQuery; };

// Expose jQuery and $ identifiers, even in AMD // (#7102#comment:10, https://github.com/jquery/jquery/pull/557) // and CommonJS for browser emulators (#13566) if ( typeof noGlobal === strundefined ) { window.jQuery = window.$ = jQuery; }

return jQuery;

}));