/*!

 * jQuery JavaScript Library v1.6.4

 * http://jquery.com/

 *

 * Copyright 2011, John Resig

 * Dual licensed under the MIT or GPL Version 2 licenses.

 * http://jquery.org/license

 *

 * Includes Sizzle.js

 * http://sizzlejs.com/

 * Copyright 2011, The Dojo Foundation

 * Released under the MIT, BSD, and GPL Licenses.

 *

 * Date: Mon Sep 12 18:54:48 2011 -0400

 */

(function( window, undefined ) {

// Use the correct document accordingly with window argument (sandbox)

var document = window.document,

	navigator = window.navigator,

	location = window.location;

var jQuery = (function() {

// Define a local copy of jQuery

var jQuery = function( selector, context ) {

		// The jQuery object is actually just the init constructor 'enhanced'

		return new jQuery.fn.init( selector, context, rootjQuery );

	},

	// Map over jQuery in case of overwrite

	_jQuery = window.jQuery,

	// Map over the $ in case of overwrite

	_$ = window.$,

	// A central reference to the root jQuery(document)

	rootjQuery,

	// A simple way to check for HTML strings or ID strings

	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)

	quickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,

	// Check if a string has a non-whitespace character in it

	rnotwhite = /\S/,

	// Used for trimming whitespace

	trimLeft = /^\s+/,

	trimRight = /\s+$/,

	// Check for digits

	rdigit = /\d/,

	// Match a standalone tag

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

	// JSON RegExp

	rvalidchars = /^[\],:{}\s]*$/,

	rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,

	rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,

	rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,

	// Useragent RegExp

	rwebkit = /(webkit)[ \/]([\w.]+)/,

	ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,

	rmsie = /(msie) ([\w.]+)/,

	rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,

	// Matches dashed string for camelizing

	rdashAlpha = /-([a-z]|[0-9])/ig,

	rmsPrefix = /^-ms-/,

	// Used by jQuery.camelCase as callback to replace()

	fcamelCase = function( all, letter ) {

		return ( letter + "" ).toUpperCase();

	},

	// Keep a UserAgent string for use with jQuery.browser

	userAgent = navigator.userAgent,

	// For matching the engine and version of the browser

	browserMatch,

	// The deferred used on DOM ready

	readyList,

	// The ready event handler

	DOMContentLoaded,

	// Save a reference to some core methods

	toString = Object.prototype.toString,

	hasOwn = Object.prototype.hasOwnProperty,

	push = Array.prototype.push,

	slice = Array.prototype.slice,

	trim = String.prototype.trim,

	indexOf = Array.prototype.indexOf,

	// [[Class]] -> type pairs

	class2type = {};

jQuery.fn = jQuery.prototype = {

	constructor: jQuery,

	init: function( selector, context, rootjQuery ) {

		var match, elem, ret, doc;

		// Handle $(""), $(null), or $(undefined)

		if ( !selector ) {

			return this;

		}

		// Handle $(DOMElement)

		if ( selector.nodeType ) {

			this.context = this[0] = selector;

			this.length = 1;

			return this;

		}

		// The body element only exists once, optimize finding it

		if ( selector === "body" && !context && document.body ) {

			this.context = document;

			this[0] = document.body;

			this.selector = selector;

			this.length = 1;

			return this;

		}

		// Handle HTML strings

		if ( typeof selector === "string" ) {

			// Are we dealing with HTML string or an ID?

			if ( selector.charAt(0) === "<" && selector.charAt( 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 = quickExpr.exec( selector );

			}

			// Verify a match, and that no context was specified for #id

			if ( match && (match[1] || !context) ) {

				// HANDLE: $(html) -> $(array)

				if ( match[1] ) {

					context = context instanceof jQuery ? context[0] : context;

					doc = (context ? context.ownerDocument || context : document);

					// If a single string is passed in and it's a single tag

					// just do a createElement and skip the rest

					ret = rsingleTag.exec( selector );

					if ( ret ) {

						if ( jQuery.isPlainObject( context ) ) {

							selector = [ document.createElement( ret[1] ) ];

							jQuery.fn.attr.call( selector, context, true );

						} else {

							selector = [ doc.createElement( ret[1] ) ];

						}

					} else {

						ret = jQuery.buildFragment( [ match[1] ], [ doc ] );

						selector = (ret.cacheable ? jQuery.clone(ret.fragment) : ret.fragment).childNodes;

					}

					return jQuery.merge( this, selector );

				// HANDLE: $("#id")

				} else {

					elem = document.getElementById( match[2] );

					// Check parentNode to catch when Blackberry 4.6 returns

					// nodes that are no longer in the document #6963

					if ( elem && elem.parentNode ) {

						// Handle the case where IE and Opera return items

						// by name instead of ID

						if ( elem.id !== match[2] ) {

							return rootjQuery.find( selector );

						}

						// Otherwise, we 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: $(function)

		// Shortcut for document ready

		} else if ( jQuery.isFunction( selector ) ) {

			return rootjQuery.ready( selector );

		}

		if (selector.selector !== undefined) {

			this.selector = selector.selector;

			this.context = selector.context;

		}

		return jQuery.makeArray( selector, this );

	},

	// Start with an empty selector

	selector: "",

	// The current version of jQuery being used

	jquery: "1.6.4",

	// The default length of a jQuery object is 0

	length: 0,

	// The number of elements contained in the matched element set

	size: function() {

		return this.length;

	},

	toArray: function() {

		return slice.call( this, 0 );

	},

	// 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 a 'clean' array

			this.toArray() :

			// Return just the object

			( num < 0 ? this[ this.length + num ] : this[ num ] );

	},

	// Take an array of elements and push it onto the stack

	// (returning the new matched element set)

	pushStack: function( elems, name, selector ) {

		// Build a new jQuery matched element set

		var ret = this.constructor();

		if ( jQuery.isArray( elems ) ) {

			push.apply( ret, elems );

		} else {

			jQuery.merge( ret, elems );

		}

		// Add the old object onto the stack (as a reference)

		ret.prevObject = this;

		ret.context = this.context;

		if ( name === "find" ) {

			ret.selector = this.selector + (this.selector ? " " : "") + selector;

		} else if ( name ) {

			ret.selector = this.selector + "." + name + "(" + selector + ")";

		}

		// 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 );

	},

	ready: function( fn ) {

		// Attach the listeners

		jQuery.bindReady();

		// Add the callback

		readyList.done( fn );

		return this;

	},

	eq: function( i ) {

		return i === -1 ?

			this.slice( i ) :

			this.slice( i, +i + 1 );

	},

	first: function() {

		return this.eq( 0 );

	},

	last: function() {

		return this.eq( -1 );

	},

	slice: function() {

		return this.pushStack( slice.apply( this, arguments ),

			"slice", slice.call(arguments).join(",") );

	},

	map: function( callback ) {

		return this.pushStack( jQuery.map(this, function( elem, i ) {

			return callback.call( elem, i, elem );

		}));

	},

	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: [].sort,

	splice: [].splice

};

// Give the init function the jQuery prototype for later instantiation

jQuery.fn.init.prototype = jQuery.fn;

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;

		target = arguments[1] || {};

		// skip the boolean and the target

		i = 2;

	}

	// 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 ( length === i ) {

		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({

	noConflict: function( deep ) {

		if ( window.$ === jQuery ) {

			window.$ = _$;

		}

		if ( deep && window.jQuery === jQuery ) {

			window.jQuery = _jQuery;

		}

		return jQuery;

	},

	// 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 ) {

		// Either a released hold or an DOMready/load event and not yet ready

		if ( (wait === true && !--jQuery.readyWait) || (wait !== true && !jQuery.isReady) ) {

			// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).

			if ( !document.body ) {

				return setTimeout( jQuery.ready, 1 );

			}

			// 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.trigger ) {

				jQuery( document ).trigger( "ready" ).unbind( "ready" );

			}

		}

	},

	bindReady: function() {

		if ( readyList ) {

			return;

		}

		readyList = jQuery._Deferred();

		// Catch cases where $(document).ready() is called after the

		// browser event has already occurred.

		if ( document.readyState === "complete" ) {

			// Handle it asynchronously to allow scripts the opportunity to delay ready

			return setTimeout( jQuery.ready, 1 );

		}

		// Mozilla, Opera and webkit nightlies currently support this event

		if ( document.addEventListener ) {

			// Use the handy event callback

			document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );

			// A fallback to window.onload, that will always work

			window.addEventListener( "load", jQuery.ready, false );

		// If IE event model is used

		} else if ( document.attachEvent ) {

			// ensure firing before onload,

			// maybe late but safe also for iframes

			document.attachEvent( "onreadystatechange", DOMContentLoaded );

			// A fallback to window.onload, that will always work

			window.attachEvent( "onload", jQuery.ready );

			// If IE and not a frame

			// continually check to see if the document is ready

			var toplevel = false;

			try {

				toplevel = window.frameElement == null;

			} catch(e) {}

			if ( document.documentElement.doScroll && toplevel ) {

				doScrollCheck();

			}

		}

	},

	// See test/unit/core.js for details concerning isFunction.

	// Since version 1.3, DOM methods and functions like alert

	// aren't supported. They return false on IE (#2968).

	isFunction: function( obj ) {

		return jQuery.type(obj) === "function";

	},

	isArray: Array.isArray || function( obj ) {

		return jQuery.type(obj) === "array";

	},

	// A crude way of determining if an object is a window

	isWindow: function( obj ) {

		return obj && typeof obj === "object" && "setInterval" in obj;

	},

	isNaN: function( obj ) {

		return obj == null || !rdigit.test( obj ) || isNaN( obj );

	},

	type: function( obj ) {

		return obj == null ?

			String( obj ) :

			class2type[ toString.call(obj) ] || "object";

	},

	isPlainObject: function( obj ) {

		// Must be an Object.

		// Because of IE, we also have to check the presence of the constructor property.

		// Make sure that DOM nodes and window objects don't pass through, as well

		if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {

			return false;

		}

		try {

			// Not own constructor property must be Object

			if ( obj.constructor &&

				!hasOwn.call(obj, "constructor") &&

				!hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {

				return false;

			}

		} catch ( e ) {

			// IE8,9 Will throw exceptions on certain host objects #9897

			return false;

		}

		// Own properties are enumerated firstly, so to speed up,

		// if last one is own, then all properties are own.

		var key;

		for ( key in obj ) {}

		return key === undefined || hasOwn.call( obj, key );

	},

	isEmptyObject: function( obj ) {

		for ( var name in obj ) {

			return false;

		}

		return true;

	},

	error: function( msg ) {

		throw msg;

	},

	parseJSON: function( data ) {

		if ( typeof data !== "string" || !data ) {

			return null;

		}

		// Make sure leading/trailing whitespace is removed (IE can't handle it)

		data = jQuery.trim( data );

		// Attempt to parse using the native JSON parser first

		if ( window.JSON && window.JSON.parse ) {

			return window.JSON.parse( data );

		}

		// Make sure the incoming data is actual JSON

		// Logic borrowed from http://json.org/json2.js

		if ( rvalidchars.test( data.replace( rvalidescape, "@" )

			.replace( rvalidtokens, "]" )

			.replace( rvalidbraces, "")) ) {

			return (new Function( "return " + data ))();

		}

		jQuery.error( "Invalid JSON: " + data );

	},

	// Cross-browser xml parsing

	parseXML: function( data ) {

		var xml, tmp;

		try {

			if ( window.DOMParser ) { // Standard

				tmp = new DOMParser();

				xml = tmp.parseFromString( data , "text/xml" );

			} else { // IE

				xml = new ActiveXObject( "Microsoft.XMLDOM" );

				xml.async = "false";

				xml.loadXML( data );

			}

		} catch( e ) {

			xml = undefined;

		}

		if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {

			jQuery.error( "Invalid XML: " + data );

		}

		return xml;

	},

	noop: function() {},

	// Evaluates a script in a global context

	// Workarounds based on findings by Jim Driscoll

	// http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context

	globalEval: function( data ) {

		if ( data && rnotwhite.test( data ) ) {

			// We use execScript on Internet Explorer

			// We use an anonymous function so that context is window

			// rather than jQuery in Firefox

			( window.execScript || function( data ) {

				window[ "eval" ].call( window, data );

			} )( data );

		}

	},

	// Convert dashed to camelCase; used by the css and data modules

	// 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.toUpperCase() === name.toUpperCase();

	},

	// args is for internal usage only

	each: function( object, callback, args ) {

		var name, i = 0,

			length = object.length,

			isObj = length === undefined || jQuery.isFunction( object );

		if ( args ) {

			if ( isObj ) {

				for ( name in object ) {

					if ( callback.apply( object[ name ], args ) === false ) {

						break;

					}

				}

			} else {

				for ( ; i < length; ) {

					if ( callback.apply( object[ i++ ], args ) === false ) {

						break;

					}

				}

			}

		// A special, fast, case for the most common use of each

		} else {

			if ( isObj ) {

				for ( name in object ) {

					if ( callback.call( object[ name ], name, object[ name ] ) === false ) {

						break;

					}

				}

			} else {

				for ( ; i < length; ) {

					if ( callback.call( object[ i ], i, object[ i++ ] ) === false ) {

						break;

					}

				}

			}

		}

		return object;

	},

	// Use native String.trim function wherever possible

	trim: trim ?

		function( text ) {

			return text == null ?

				"" :

				trim.call( text );

		} :

		// Otherwise use our own trimming functionality

		function( text ) {

			return text == null ?

				"" :

				text.toString().replace( trimLeft, "" ).replace( trimRight, "" );

		},

	// results is for internal usage only

	makeArray: function( array, results ) {

		var ret = results || [];

		if ( array != null ) {

			// The window, strings (and functions) also have 'length'

			// The extra typeof function check is to prevent crashes

			// in Safari 2 (See: #3039)

			// Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930

			var type = jQuery.type( array );

			if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {

				push.call( ret, array );

			} else {

				jQuery.merge( ret, array );

			}

		}

		return ret;

	},

	inArray: function( elem, array ) {

		if ( !array ) {

			return -1;

		}

		if ( indexOf ) {

			return indexOf.call( array, elem );

		}

		for ( var i = 0, length = array.length; i < length; i++ ) {

			if ( array[ i ] === elem ) {

				return i;

			}

		}

		return -1;

	},

	merge: function( first, second ) {

		var i = first.length,

			j = 0;

		if ( typeof second.length === "number" ) {

			for ( var l = second.length; j < l; j++ ) {

				first[ i++ ] = second[ j ];

			}

		} else {

			while ( second[j] !== undefined ) {

				first[ i++ ] = second[ j++ ];

			}

		}

		first.length = i;

		return first;

	},

	grep: function( elems, callback, inv ) {

		var ret = [], retVal;

		inv = !!inv;

		// Go through the array, only saving the items

		// that pass the validator function

		for ( var i = 0, length = elems.length; i < length; i++ ) {

			retVal = !!callback( elems[ i ], i );

			if ( inv !== retVal ) {

				ret.push( elems[ i ] );

			}

		}

		return ret;

	},

	// arg is for internal usage only

	map: function( elems, callback, arg ) {

		var value, key, ret = [],

			i = 0,

			length = elems.length,

			// jquery objects are treated as arrays

			isArray = elems instanceof jQuery || length !== undefined && typeof length === "number" && ( ( length > 0 && elems[ 0 ] && elems[ length -1 ] ) || length === 0 || jQuery.isArray( elems ) ) ;

		// Go through the array, translating each of the items to their

		if ( isArray ) {

			for ( ; i < length; i++ ) {

				value = callback( elems[ i ], i, arg );

				if ( value != null ) {

					ret[ ret.length ] = value;

				}

			}

		// Go through every key on the object,

		} else {

			for ( key in elems ) {

				value = callback( elems[ key ], key, arg );

				if ( value != null ) {

					ret[ ret.length ] = value;

				}

			}

		}

		// Flatten any nested arrays

		return ret.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 ) {

		if ( typeof context === "string" ) {

			var 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

		var args = slice.call( arguments, 2 ),

			proxy = function() {

				return fn.apply( context, 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 || proxy.guid || jQuery.guid++;

		return proxy;

	},

	// Mutifunctional method to get and set values to a collection

	// The value/s can optionally be executed if it's a function

	access: function( elems, key, value, exec, fn, pass ) {

		var length = elems.length;

		// Setting many attributes

		if ( typeof key === "object" ) {

			for ( var k in key ) {

				jQuery.access( elems, k, key[k], exec, fn, value );

			}

			return elems;

		}

		// Setting one attribute

		if ( value !== undefined ) {

			// Optionally, function values get executed if exec is true

			exec = !pass && exec && jQuery.isFunction(value);

			for ( var i = 0; i < length; i++ ) {

				fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );

			}

			return elems;

		}

		// Getting an attribute

		return length ? fn( elems[0], key ) : undefined;

	},

	now: function() {

		return (new Date()).getTime();

	},

	// Use of jQuery.browser is frowned upon.

	// More details: http://docs.jquery.com/Utilities/jQuery.browser

	uaMatch: function( ua ) {

		ua = ua.toLowerCase();

		var match = rwebkit.exec( ua ) ||

			ropera.exec( ua ) ||

			rmsie.exec( ua ) ||

			ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) ||

			[];

		return { browser: match[1] || "", version: match[2] || "0" };

	},

	sub: function() {

		function jQuerySub( selector, context ) {

			return new jQuerySub.fn.init( selector, context );

		}

		jQuery.extend( true, jQuerySub, this );

		jQuerySub.superclass = this;

		jQuerySub.fn = jQuerySub.prototype = this();

		jQuerySub.fn.constructor = jQuerySub;

		jQuerySub.sub = this.sub;

		jQuerySub.fn.init = function init( selector, context ) {

			if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {

				context = jQuerySub( context );

			}

			return jQuery.fn.init.call( this, selector, context, rootjQuerySub );

		};

		jQuerySub.fn.init.prototype = jQuerySub.fn;

		var rootjQuerySub = jQuerySub(document);

		return jQuerySub;

	},

	browser: {}

});

// Populate the class2type map

jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {

	class2type[ "[object " + name + "]" ] = name.toLowerCase();

});

browserMatch = jQuery.uaMatch( userAgent );

if ( browserMatch.browser ) {

	jQuery.browser[ browserMatch.browser ] = true;

	jQuery.browser.version = browserMatch.version;

}

// Deprecated, use jQuery.browser.webkit instead

if ( jQuery.browser.webkit ) {

	jQuery.browser.safari = true;

}

// IE doesn't match non-breaking spaces with \s

if ( rnotwhite.test( "\xA0" ) ) {

	trimLeft = /^[\s\xA0]+/;

	trimRight = /[\s\xA0]+$/;

}

// All jQuery objects should point back to these

rootjQuery = jQuery(document);

// Cleanup functions for the document ready method

if ( document.addEventListener ) {

	DOMContentLoaded = function() {

		document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );

		jQuery.ready();

	};

} else if ( document.attachEvent ) {

	DOMContentLoaded = function() {

		// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).

		if ( document.readyState === "complete" ) {

			document.detachEvent( "onreadystatechange", DOMContentLoaded );

			jQuery.ready();

		}

	};

}

// The DOM ready check for Internet Explorer

function doScrollCheck() {

	if ( jQuery.isReady ) {

		return;

	}

	try {

		// If IE is used, use the trick by Diego Perini

		// http://javascript.nwbox.com/IEContentLoaded/

		document.documentElement.doScroll("left");

	} catch(e) {

		setTimeout( doScrollCheck, 1 );

		return;

	}

	// and execute any waiting functions

	jQuery.ready();

}

return jQuery;

})();

var // Promise methods

	promiseMethods = "done fail isResolved isRejected promise then always pipe".split( " " ),

	// Static reference to slice

	sliceDeferred = [].slice;

jQuery.extend({

	// Create a simple deferred (one callbacks list)

	_Deferred: function() {

		var // callbacks list

			callbacks = [],

			// stored [ context , args ]

			fired,

			// to avoid firing when already doing so

			firing,

			// flag to know if the deferred has been cancelled

			cancelled,

			// the deferred itself

			deferred  = {

				// done( f1, f2, ...)

				done: function() {

					if ( !cancelled ) {

						var args = arguments,

							i,

							length,

							elem,

							type,

							_fired;

						if ( fired ) {

							_fired = fired;

							fired = 0;

						}

						for ( i = 0, length = args.length; i < length; i++ ) {

							elem = args[ i ];

							type = jQuery.type( elem );