jquery.js

/*!
 * jQuery JavaScript Library v1.7.1
 * 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 Nov 21 21:11:03 2011 -0500
 */
(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+$/,

	// 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 );
		}