/*!
 * jQuery JavaScript Library v1.4.1
 * http://jquery.com/
 *
 * Copyright 2010, John Resig
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 * Copyright 2010, The Dojo Foundation
 * Released under the MIT, BSD, and GPL Licenses.
 *
 * Date: Mon Jan 25 19:43:33 2010 -0500
 */
(function( window, undefined ) {

// 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 );
	},

	// Map over jQuery in case of overwrite
	_jQuery = window.jQuery,

	// Map over the $ in case of overwrite
	_$ = window.$,

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

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

	// A simple way to check for HTML strings or ID strings
	// (both of which we optimize for)
	quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,

	// Is it a simple selector
	isSimple = /^.[^:#\[\.,]*$/,

	// Check if a string has a non-whitespace character in it
	rnotwhite = /\S/,

	// Used for trimming whitespace
	rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g,

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

	// Keep a UserAgent string for use with jQuery.browser
	userAgent = navigator.userAgent,

	// For matching the engine and version of the browser
	browserMatch,
	
	// Has the ready events already been bound?
	readyBound = false,
	
	// The functions to execute on DOM ready
	readyList = [],

	// The ready event handler
	DOMContentLoaded,

	// Save a reference to some core methods
	toString = Object.prototype.toString,
	hasOwnProperty = Object.prototype.hasOwnProperty,
	push = Array.prototype.push,
	slice = Array.prototype.slice,
	indexOf = Array.prototype.indexOf;

jQuery.fn = jQuery.prototype = {
	init: function( selector, context ) {
		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;
		}

		// Handle HTML strings
		if ( typeof selector === "string" ) {
			// Are we dealing with HTML string or an ID?
			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] ) {
					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 = buildFragment( [ match[1] ], [ doc ] );
						selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
					}

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

					if ( elem ) {
						// 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: $("TAG")
			} else if ( !context && /^\w+$/.test( selector ) ) {
				this.selector = selector;
				this.context = document;
				selector = document.getElementsByTagName( selector );

			// 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 jQuery( 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.isArray( selector ) ?
			this.setArray( selector ) :
			jQuery.makeArray( selector, this );
	},

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

	// The current version of jQuery being used
	jquery: "1.4.1",

	// 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.slice(num)[ 0 ] : 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 = jQuery( elems || null );

		// 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;
	},

	// Force the current matched set of elements to become
	// the specified array of elements (destroying the stack in the process)
	// You should use pushStack() in order to do this, but maintain the stack
	setArray: function( elems ) {
		// Resetting the length to 0, then using the native Array push
		// is a super-fast way to populate an object with array-like properties
		this.length = 0;
		push.apply( this, elems );

		return this;
	},

	// 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();

		// If the DOM is already ready
		if ( jQuery.isReady ) {
			// Execute the function immediately
			fn.call( document, jQuery );

		// Otherwise, remember the function for later
		} else if ( readyList ) {
			// Add the function to the wait list
			readyList.push( 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 || jQuery(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() {
	// copy reference to target object
	var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy;

	// 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 object literal values or arrays
				if ( deep && copy && ( jQuery.isPlainObject(copy) || jQuery.isArray(copy) ) ) {
					var clone = src && ( jQuery.isPlainObject(src) || jQuery.isArray(src) ) ? src
						: jQuery.isArray(copy) ? [] : {};

					// 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 ) {
		window.$ = _$;

		if ( deep ) {
			window.jQuery = _jQuery;
		}

		return jQuery;
	},
	
	// Is the DOM ready to be used? Set to true once it occurs.
	isReady: false,
	
	// Handle when the DOM is ready
	ready: function() {
		// Make sure that the DOM is not already loaded
		if ( !jQuery.isReady ) {
			// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
			if ( !document.body ) {
				return setTimeout( jQuery.ready, 13 );
			}

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

			// If there are functions bound, to execute
			if ( readyList ) {
				// Execute all of them
				var fn, i = 0;
				while ( (fn = readyList[ i++ ]) ) {
					fn.call( document, jQuery );
				}

				// Reset the list of functions
				readyList = null;
			}

			// Trigger any bound ready events
			if ( jQuery.fn.triggerHandler ) {
				jQuery( document ).triggerHandler( "ready" );
			}
		}
	},
	
	bindReady: function() {
		if ( readyBound ) {
			return;
		}

		readyBound = true;

		// Catch cases where $(document).ready() is called after the
		// browser event has already occurred.
		if ( document.readyState === "complete" ) {
			return jQuery.ready();
		}

		// 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 toString.call(obj) === "[object Function]";
	},

	isArray: function( obj ) {
		return toString.call(obj) === "[object Array]";
	},

	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 || toString.call(obj) !== "[object Object]" || obj.nodeType || obj.setInterval ) {
			return false;
		}
		
		// Not own constructor property must be Object
		if ( obj.constructor
			&& !hasOwnProperty.call(obj, "constructor")
			&& !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
			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 || hasOwnProperty.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 the incoming data is actual JSON
		// Logic borrowed from http://json.org/json2.js
		if ( /^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
			.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]")
			.replace(/(?:^|:|,)(?:\s*\[)+/g, "")) ) {

			// Try to use the native JSON parser first
			return window.JSON && window.JSON.parse ?
				window.JSON.parse( data ) :
				(new Function("return " + data))();

		} else {
			jQuery.error( "Invalid JSON: " + data );
		}
	},

	noop: function() {},

	// Evalulates a script in a global context
	globalEval: function( data ) {
		if ( data && rnotwhite.test(data) ) {
			// Inspired by code by Andrea Giammarchi
			// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
			var head = document.getElementsByTagName("head")[0] || document.documentElement,
				script = document.createElement("script");

			script.type = "text/javascript";

			if ( jQuery.support.scriptEval ) {
				script.appendChild( document.createTextNode( data ) );
			} else {
				script.text = data;
			}

			// Use insertBefore instead of appendChild to circumvent an IE6 bug.
			// This arises when a base node is used (#2709).
			head.insertBefore( script, head.firstChild );
			head.removeChild( script );
		}
	},

	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 ( var value = object[0];
					i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {}
			}
		}

		return object;
	},

	trim: function( text ) {
		return (text || "").replace( rtrim, "" );
	},

	// 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)
			if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || (typeof array !== "function" && array.setInterval) ) {
				push.call( ret, array );
			} else {
				jQuery.merge( ret, array );
			}
		}

		return ret;
	},

	inArray: function( elem, array ) {
		if ( array.indexOf ) {
			return array.indexOf( 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 = [];

		// Go through the array, only saving the items
		// that pass the validator function
		for ( var i = 0, length = elems.length; i < length; i++ ) {
			if ( !inv !== !callback( elems[ i ], i ) ) {
				ret.push( elems[ i ] );
			}
		}

		return ret;
	},

	// arg is for internal usage only
	map: function( elems, callback, arg ) {
		var ret = [], value;

		// Go through the array, translating each of the items to their
		// new value (or values).
		for ( var i = 0, length = elems.length; i < length; i++ ) {
			value = callback( elems[ i ], i, arg );

			if ( value != null ) {
				ret[ ret.length ] = value;
			}
		}

		return ret.concat.apply( [], ret );
	},

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

	proxy: function( fn, proxy, thisObject ) {
		if ( arguments.length === 2 ) {
			if ( typeof proxy === "string" ) {
				thisObject = fn;
				fn = thisObject[ proxy ];
				proxy = undefined;

			} else if ( proxy && !jQuery.isFunction( proxy ) ) {
				thisObject = proxy;
				proxy = undefined;
			}
		}

		if ( !proxy && fn ) {
			proxy = function() {
				return fn.apply( thisObject || this, arguments );
			};
		}

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

		// So proxy can be declared as an argument
		return proxy;
	},

	// Use of jQuery.browser is frowned upon.
	// More details: http://docs.jquery.com/Utilities/jQuery.browser
	uaMatch: function( ua ) {
		ua = ua.toLowerCase();

		var match = /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
			/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
			/(msie) ([\w.]+)/.exec( ua ) ||
			!/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
		  	[];

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

	browser: {}
});

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;
}

if ( indexOf ) {
	jQuery.inArray = function( elem, array ) {
		return indexOf.call( array, elem );
	};
}

// 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( error ) {
		setTimeout( doScrollCheck, 1 );
		return;
	}

	// and execute any waiting functions
	jQuery.ready();
}

function evalScript( i, elem ) {
	if ( elem.src ) {
		jQuery.ajax({
			url: elem.src,
			async: false,
			dataType: "script"
		});
	} else {
		jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
	}

	if ( elem.parentNode ) {
		elem.parentNode.removeChild( elem );
	}
}

// Mutifunctional method to get and set values to a collection
// The value/s can be optionally by executed if its a function
function access( elems, key, value, exec, fn, pass ) {
	var length = elems.length;
	
	// Setting many attributes
	if ( typeof key === "object" ) {
		for ( var k in key ) {
			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 ) : null;
}

function now() {
	return (new Date).getTime();
}
(function() {

	jQuery.support = {};

	var root = document.documentElement,
		script = document.createElement("script"),
		div = document.createElement("div"),
		id = "script" + now();

	div.style.display = "none";
	div.innerHTML = "   <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><input type='checkbox'/>";

	var all = div.getElementsByTagName("*"),
		a = div.getElementsByTagName("a")[0];

	// Can't get basic test support
	if ( !all || !all.length || !a ) {
		return;
	}

	jQuery.support = {
		// IE strips leading whitespace when .innerHTML is used
		leadingWhitespace: div.firstChild.nodeType === 3,

		// Make sure that tbody elements aren't automatically inserted
		// IE will insert them into empty tables
		tbody: !div.getElementsByTagName("tbody").length,

		// Make sure that link elements get serialized correctly by innerHTML
		// This requires a wrapper element in IE
		htmlSerialize: !!div.getElementsByTagName("link").length,

		// Get the style information from getAttribute
		// (IE uses .cssText insted)
		style: /red/.test( a.getAttribute("style") ),

		// Make sure that URLs aren't manipulated
		// (IE normalizes it by default)
		hrefNormalized: a.getAttribute("href") === "/a",

		// Make sure that element opacity exists
		// (IE uses filter instead)
		// Use a regex to work around a WebKit issue. See #5145
		opacity: /^0.55$/.test( a.style.opacity ),

		// Verify style float existence
		// (IE uses styleFloat instead of cssFloat)
		cssFloat: !!a.style.cssFloat,

		// Make sure that if no value is specified for a checkbox
		// that it defaults to "on".
		// (WebKit defaults to "" instead)
		checkOn: div.getElementsByTagName("input")[0].value === "on",

		// Make sure that a selected-by-default option has a working selected property.
		// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
		optSelected: document.createElement("select").appendChild( document.createElement("option") ).selected,

		// Will be defined later
		checkClone: false,
		scriptEval: false,
		noCloneEvent: true,
		boxModel: null
	};

	script.type = "text/javascript";
	try {
		script.appendChild( document.createTextNode( "window." + id + "=1;" ) );
	} catch(e) {}

	root.insertBefore( script, root.firstChild );

	// Make sure that the execution of code works by injecting a script
	// tag with appendChild/createTextNode
	// (IE doesn't support this, fails, and uses .text instead)
	if ( window[ id ] ) {
		jQuery.support.scriptEval = true;
		delete window[ id ];
	}

	root.removeChild( script );

	if ( div.attachEvent && div.fireEvent ) {
		div.attachEvent("onclick", function click() {
			// Cloning a node shouldn't copy over any
			// bound event handlers (IE does this)
			jQuery.support.noCloneEvent = false;
			div.detachEvent("onclick", click);
		});
		div.cloneNode(true).fireEvent("onclick");
	}

	div = document.createElement("div");
	div.innerHTML = "<input type='radio' name='radiotest' checked='checked'/>";

	var fragment = document.createDocumentFragment();
	fragment.appendChild( div.firstChild );

	// WebKit doesn't clone checked state correctly in fragments
	jQuery.support.checkClone = fragment.cloneNode(true).cloneNode(true).lastChild.checked;

	// Figure out if the W3C box model works as expected
	// document.body must exist before we can do this
	jQuery(function() {
		var div = document.createElement("div");
		div.style.width = div.style.paddingLeft = "1px";

		document.body.appendChild( div );
		jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
		document.body.removeChild( div ).style.display = 'none';
		div = null;
	});

	// Technique from Juriy Zaytsev
	// http://thinkweb2.com/projects/prototype/detecting-event-support-without-browser-sniffing/
	var eventSupported = function( eventName ) { 
		var el = document.createElement("div"); 
		eventName = "on" + eventName; 

		var isSupported = (eventName in el); 
		if ( !isSupported ) { 
			el.setAttribute(eventName, "return;"); 
			isSupported = typeof el[eventName] === "function"; 
		} 
		el = null; 

		return isSupported; 
	};
	
	jQuery.support.submitBubbles = eventSupported("submit");
	jQuery.support.changeBubbles = eventSupported("change");

	// release memory in IE
	root = script = div = all = a = null;
})();

jQuery.props = {
	"for": "htmlFor",
	"class": "className",
	readonly: "readOnly",
	maxlength: "maxLength",
	cellspacing: "cellSpacing",
	rowspan: "rowSpan",
	colspan: "colSpan",
	tabindex: "tabIndex",
	usemap: "useMap",
	frameborder: "frameBorder"
};
var expando = "jQuery" + now(), uuid = 0, windowData = {};
var emptyObject = {};

jQuery.extend({
	cache: {},
	
	expando:expando,

	// The following elements throw uncatchable exceptions if you
	// attempt to add expando properties to them.
	noData: {
		"embed": true,
		"object": true,
		"applet": true
	},

	data: function( elem, name, data ) {
		if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
			return;
		}

		elem = elem == window ?
			windowData :
			elem;

		var id = elem[ expando ], cache = jQuery.cache, thisCache;

		// Handle the case where there's no name immediately
		if ( !name && !id ) {
			return null;
		}

		// Compute a unique ID for the element
		if ( !id ) { 
			id = ++uuid;
		}

		// Avoid generating a new cache unless none exists and we
		// want to manipulate it.
		if ( typeof name === "object" ) {
			elem[ expando ] = id;
			thisCache = cache[ id ] = jQuery.extend(true, {}, name);
		} else if ( cache[ id ] ) {
			thisCache = cache[ id ];
		} else if ( typeof data === "undefined" ) {
			thisCache = emptyObject;
		} else {
			thisCache = cache[ id ] = {};
		}

		// Prevent overriding the named cache with undefined values
		if ( data !== undefined ) {
			elem[ expando ] = id;
			thisCache[ name ] = data;
		}

		return typeof name === "string" ? thisCache[ name ] : thisCache;
	},

	removeData: function( elem, name ) {
		if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
			return;
		}

		elem = elem == window ?
			windowData :
			elem;

		var id = elem[ expando ], cache = jQuery.cache, thisCache = cache[ id ];

		// If we want to remove a specific section of the element's data
		if ( name ) {
			if ( thisCache ) {
				// Remove the section of cache data
				delete thisCache[ name ];

				// If we've removed all the data, remove the element's cache
				if ( jQuery.isEmptyObject(thisCache) ) {
					jQuery.removeData( elem );
				}
			}

		// Otherwise, we want to remove all of the element's data
		} else {
			// Clean up the element expando
			try {
				delete elem[ expando ];
			} catch( e ) {
				// IE has trouble directly removing the expando
				// but it's ok with using removeAttribute
				if ( elem.removeAttribute ) {
					elem.removeAttribute( expando );
				}
			}

			// Completely remove the data cache
			delete cache[ id ];
		}
	}
});

jQuery.fn.extend({
	data: function( key, value ) {
		if ( typeof key === "undefined" && this.length ) {
			return jQuery.data( this[0] );

		} else if ( typeof key === "object" ) {
			return this.each(function() {
				jQuery.data( this, key );
			});
		}

		var parts = key.split(".");
		parts[1] = parts[1] ? "." + parts[1] : "";

		if ( value === undefined ) {
			var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);

			if ( data === undefined && this.length ) {
				data = jQuery.data( this[0], key );
			}
			return data === undefined && parts[1] ?
				this.data( parts[0] ) :
				data;
		} else {
			return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function() {
				jQuery.data( this, key, value );
			});
		}
	},

	removeData: function( key ) {
		return this.each(function() {
			jQuery.removeData( this, key );
		});
	}
});
jQuery.extend({
	queue: function( elem, type, data ) {
		if ( !elem ) {
			return;
		}

		type = (type || "fx") + "queue";
		var q = jQuery.data( elem, type );

		// Speed up dequeue by getting out quickly if this is just a lookup
		if ( !data ) {
			return q || [];
		}

		if ( !q || jQuery.isArray(data) ) {
			q = jQuery.data( elem, type, jQuery.makeArray(data) );

		} else {
			q.push( data );
		}

		return q;
	},

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

		var queue = jQuery.queue( elem, type ), fn = queue.shift();

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

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

			fn.call(elem, function() {
				jQuery.dequeue(elem, type);
			});
		}
	}
});

jQuery.fn.extend({
	queue: function( type, data ) {
		if ( typeof type !== "string" ) {
			data = type;
			type = "fx";
		}

		if ( data === undefined ) {
			return jQuery.queue( this[0], type );
		}
		return this.each(function( i, elem ) {
			var queue = jQuery.queue( this, type, data );

			if ( type === "fx" && queue[0] !== "inprogress" ) {
				jQuery.dequeue( this, type );
			}
		});
	},
	dequeue: function( type ) {
		return this.each(function() {
			jQuery.dequeue( this, type );
		});
	},

	// Based off of the plugin by Clint Helfers, with permission.
	// http://blindsignals.com/index.php/2009/07/jquery-delay/
	delay: function( time, type ) {
		time = jQuery.fx ? jQuery.fx.speeds[time] || time : time;
		type = type || "fx";

		return this.queue( type, function() {
			var elem = this;
			setTimeout(function() {
				jQuery.dequeue( elem, type );
			}, time );
		});
	},

	clearQueue: function( type ) {
		return this.queue( type || "fx", [] );
	}
});
var rclass = /[\n\t]/g,
	rspace = /\s+/,
	rreturn = /\r/g,
	rspecialurl = /href|src|style/,
	rtype = /(button|input)/i,
	rfocusable = /(button|input|object|select|textarea)/i,
	rclickable = /^(a|area)$/i,
	rradiocheck = /radio|checkbox/;

jQuery.fn.extend({
	attr: function( name, value ) {
		return access( this, name, value, true, jQuery.attr );
	},

	removeAttr: function( name, fn ) {
		return this.each(function(){
			jQuery.attr( this, name, "" );
			if ( this.nodeType === 1 ) {
				this.removeAttribute( name );
			}
		});
	},

	addClass: function( value ) {
		if ( jQuery.isFunction(value) ) {
			return this.each(function(i) {
				var self = jQuery(this);
				self.addClass( value.call(this, i, self.attr("class")) );
			});
		}

		if ( value && typeof value === "string" ) {
			var classNames = (value || "").split( rspace );

			for ( var i = 0, l = this.length; i < l; i++ ) {
				var elem = this[i];

				if ( elem.nodeType === 1 ) {
					if ( !elem.className ) {
						elem.className = value;

					} else {
						var className = " " + elem.className + " ";
						for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
							if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) {
								elem.className += " " + classNames[c];
							}
						}
					}
				}
			}
		}

		return this;
	},

	removeClass: function( value ) {
		if ( jQuery.isFunction(value) ) {
			return this.each(function(i) {
				var self = jQuery(this);
				self.removeClass( value.call(this, i, self.attr("class")) );
			});
		}

		if ( (value && typeof value === "string") || value === undefined ) {
			var classNames = (value || "").split(rspace);

			for ( var i = 0, l = this.length; i < l; i++ ) {
				var elem = this[i];

				if ( elem.nodeType === 1 && elem.className ) {
					if ( value ) {
						var className = (" " + elem.className + " ").replace(rclass, " ");
						for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
							className = className.replace(" " + classNames[c] + " ", " ");
						}
						elem.className = className.substring(1, className.length - 1);

					} else {
						elem.className = "";
					}
				}
			}
		}

		return this;
	},

	toggleClass: function( value, stateVal ) {
		var type = typeof value, isBool = typeof stateVal === "boolean";

		if ( jQuery.isFunction( value ) ) {
			return this.each(function(i) {
				var self = jQuery(this);
				self.toggleClass( value.call(this, i, self.attr("class"), stateVal), stateVal );
			});
		}

		return this.each(function() {
			if ( type === "string" ) {
				// toggle individual class names
				var className, i = 0, self = jQuery(this),
					state = stateVal,
					classNames = value.split( rspace );

				while ( (className = classNames[ i++ ]) ) {
					// check each className given, space seperated list
					state = isBool ? state : !self.hasClass( className );
					self[ state ? "addClass" : "removeClass" ]( className );
				}

			} else if ( type === "undefined" || type === "boolean" ) {
				if ( this.className ) {
					// store className if set
					jQuery.data( this, "__className__", this.className );
				}

				// toggle whole className
				this.className = this.className || value === false ? "" : jQuery.data( this, "__className__" ) || "";
			}
		});
	},

	hasClass: function( selector ) {
		var className = " " + selector + " ";
		for ( var i = 0, l = this.length; i < l; i++ ) {
			if ( (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) > -1 ) {
				return true;
			}
		}

		return false;
	},

	val: function( value ) {
		if ( value === undefined ) {
			var elem = this[0];

			if ( elem ) {
				if ( jQuery.nodeName( elem, "option" ) ) {
					return (elem.attributes.value || {}).specified ? elem.value : elem.text;
				}

				// We need to handle select boxes special
				if ( jQuery.nodeName( elem, "select" ) ) {
					var index = elem.selectedIndex,
						values = [],
						options = elem.options,
						one = elem.type === "select-one";

					// Nothing was selected
					if ( index < 0 ) {
						return null;
					}

					// Loop through all the selected options
					for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
						var option = options[ i ];

						if ( option.selected ) {
							// Get the specifc 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;
				}

				// Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
				if ( rradiocheck.test( elem.type ) && !jQuery.support.checkOn ) {
					return elem.getAttribute("value") === null ? "on" : elem.value;
				}
				

				// Everything else, we just grab the value
				return (elem.value || "").replace(rreturn, "");

			}

			return undefined;
		}

		var isFunction = jQuery.isFunction(value);

		return this.each(function(i) {
			var self = jQuery(this), val = value;

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

			if ( isFunction ) {
				val = value.call(this, i, self.val());
			}

			// Typecast each time if the value is a Function and the appended
			// value is therefore different each time.
			if ( typeof val === "number" ) {
				val += "";
			}

			if ( jQuery.isArray(val) && rradiocheck.test( this.type ) ) {
				this.checked = jQuery.inArray( self.val(), val ) >= 0;

			} else if ( jQuery.nodeName( this, "select" ) ) {
				var values = jQuery.makeArray(val);

				jQuery( "option", this ).each(function() {
					this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
				});

				if ( !values.length ) {
					this.selectedIndex = -1;
				}

			} else {
				this.value = val;
			}
		});
	}
});

jQuery.extend({
	attrFn: {
		val: true,
		css: true,
		html: true,
		text: true,
		data: true,
		width: true,
		height: true,
		offset: true
	},
		
	attr: function( elem, name, value, pass ) {
		// don't set attributes on text and comment nodes
		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
			return undefined;
		}

		if ( pass && name in jQuery.attrFn ) {
			return jQuery(elem)[name](value);
		}

		var notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ),
			// Whether we are setting (or getting)
			set = value !== undefined;

		// Try to normalize/fix the name
		name = notxml && jQuery.props[ name ] || name;

		// Only do all the following if this is a node (faster for style)
		if ( elem.nodeType === 1 ) {
			// These attributes require special treatment
			var special = rspecialurl.test( name );

			// Safari mis-reports the default selected property of an option
			// Accessing the parent's selectedIndex property fixes it
			if ( name === "selected" && !jQuery.support.optSelected ) {
				var parent = elem.parentNode;
				if ( parent ) {
					parent.selectedIndex;
	
					// Make sure that it also works with optgroups, see #5701
					if ( parent.parentNode ) {
						parent.parentNode.selectedIndex;
					}
				}
			}

			// If applicable, access the attribute via the DOM 0 way
			if ( name in elem && notxml && !special ) {
				if ( set ) {
					// We can't allow the type property to be changed (since it causes problems in IE)
					if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) {
						jQuery.error( "type property can't be changed" );
					}

					elem[ name ] = value;
				}

				// browsers index elements by id/name on forms, give priority to attributes.
				if ( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) ) {
					return elem.getAttributeNode( name ).nodeValue;
				}

				// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
				// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
				if ( name === "tabIndex" ) {
					var attributeNode = elem.getAttributeNode( "tabIndex" );

					return attributeNode && attributeNode.specified ?
						attributeNode.value :
						rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
							0 :
							undefined;
				}

				return elem[ name ];
			}

			if ( !jQuery.support.style && notxml && name === "style" ) {
				if ( set ) {
					elem.style.cssText = "" + value;
				}

				return elem.style.cssText;
			}

			if ( set ) {
				// convert the value to a string (all browsers do this but IE) see #1070
				elem.setAttribute( name, "" + value );
			}

			var attr = !jQuery.support.hrefNormalized && notxml && special ?
					// Some attributes require a special call on IE
					elem.getAttribute( name, 2 ) :
					elem.getAttribute( name );

			// Non-existent attributes return null, we normalize to undefined
			return attr === null ? undefined : attr;
		}

		// elem is actually elem.style ... set the style
		// Using attr for specific style information is now deprecated. Use style insead.
		return jQuery.style( elem, name, value );
	}
});
var fcleanup = function( nm ) {
	return nm.replace(/[^\w\s\.\|`]/g, function( ch ) {
		return "\\" + ch;
	});
};

/*
 * A number of helper functions used for managing events.
 * Many of the ideas behind this code originated from
 * Dean Edwards' addEvent library.
 */
jQuery.event = {

	// Bind an event to an element
	// Original by Dean Edwards
	add: function( elem, types, handler, data ) {
		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
			return;
		}

		// For whatever reason, IE has trouble passing the window object
		// around, causing it to be cloned in the process
		if ( elem.setInterval && ( elem !== window && !elem.frameElement ) ) {
			elem = window;
		}

		// Make sure that the function being executed has a unique ID
		if ( !handler.guid ) {
			handler.guid = jQuery.guid++;
		}

		// if data is passed, bind to handler
		if ( data !== undefined ) {
			// Create temporary function pointer to original handler
			var fn = handler;

			// Create unique handler function, wrapped around original handler
			handler = jQuery.proxy( fn );

			// Store data in unique handler
			handler.data = data;
		}

		// Init the element's event structure
		var events = jQuery.data( elem, "events" ) || jQuery.data( elem, "events", {} ),
			handle = jQuery.data( elem, "handle" ), eventHandle;

		if ( !handle ) {
			eventHandle = function() {
				// Handle the second event of a trigger and when
				// an event is called after a page has unloaded
				return typeof jQuery !== "undefined" && !jQuery.event.triggered ?
					jQuery.event.handle.apply( eventHandle.elem, arguments ) :
					undefined;
			};

			handle = jQuery.data( elem, "handle", eventHandle );
		}

		// If no handle is found then we must be trying to bind to one of the
		// banned noData elements
		if ( !handle ) {
			return;
		}

		// Add elem as a property of the handle function
		// This is to prevent a memory leak with non-native
		// event in IE.
		handle.elem = elem;

		// Handle multiple events separated by a space
		// jQuery(...).bind("mouseover mouseout", fn);
		types = types.split( /\s+/ );

		var type, i = 0;

		while ( (type = types[ i++ ]) ) {
			// Namespaced event handlers
			var namespaces = type.split(".");
			type = namespaces.shift();

			if ( i > 1 ) {
				handler = jQuery.proxy( handler );

				if ( data !== undefined ) {
					handler.data = data;
				}
			}

			handler.type = namespaces.slice(0).sort().join(".");

			// Get the current list of functions bound to this event
			var handlers = events[ type ],
				special = this.special[ type ] || {};

			// Init the event handler queue
			if ( !handlers ) {
				handlers = events[ type ] = {};

				// Check for a special event handler
				// Only use addEventListener/attachEvent if the special
				// events handler returns false
				if ( !special.setup || special.setup.call( elem, data, namespaces, handler) === false ) {
					// Bind the global event handler to the element
					if ( elem.addEventListener ) {
						elem.addEventListener( type, handle, false );
					} else if ( elem.attachEvent ) {
						elem.attachEvent( "on" + type, handle );
					}
				}
			}
			
			if ( special.add ) { 
				var modifiedHandler = special.add.call( elem, handler, data, namespaces, handlers ); 
				if ( modifiedHandler && jQuery.isFunction( modifiedHandler ) ) { 
					modifiedHandler.guid = modifiedHandler.guid || handler.guid; 
					modifiedHandler.data = modifiedHandler.data || handler.data; 
					modifiedHandler.type = modifiedHandler.type || handler.type; 
					handler = modifiedHandler; 
				} 
			} 
			
			// Add the function to the element's handler list
			handlers[ handler.guid ] = handler;

			// Keep track of which events have been used, for global triggering
			this.global[ type ] = true;
		}

		// Nullify elem to prevent memory leaks in IE
		elem = null;
	},

	global: {},

	// Detach an event or set of events from an element
	remove: function( elem, types, handler ) {
		// don't do events on text and comment nodes
		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
			return;
		}

		var events = jQuery.data( elem, "events" ), ret, type, fn;

		if ( events ) {
			// Unbind all events for the element
			if ( types === undefined || (typeof types === "string" && types.charAt(0) === ".") ) {
				for ( type in events ) {
					this.remove( elem, type + (types || "") );
				}
			} else {
				// types is actually an event object here
				if ( types.type ) {
					handler = types.handler;
					types = types.type;
				}

				// Handle multiple events separated by a space
				// jQuery(...).unbind("mouseover mouseout", fn);
				types = types.split(/\s+/);
				var i = 0;
				while ( (type = types[ i++ ]) ) {
					// Namespaced event handlers
					var namespaces = type.split(".");
					type = namespaces.shift();
					var all = !namespaces.length,
						cleaned = jQuery.map( namespaces.slice(0).sort(), fcleanup ),
						namespace = new RegExp("(^|\\.)" + cleaned.join("\\.(?:.*\\.)?") + "(\\.|$)"),
						special = this.special[ type ] || {};

					if ( events[ type ] ) {
						// remove the given handler for the given type
						if ( handler ) {
							fn = events[ type ][ handler.guid ];
							delete events[ type ][ handler.guid ];

						// remove all handlers for the given type
						} else {
							for ( var handle in events[ type ] ) {
								// Handle the removal of namespaced events
								if ( all || namespace.test( events[ type ][ handle ].type ) ) {
									delete events[ type ][ handle ];
								}
							}
						}

						if ( special.remove ) {
							special.remove.call( elem, namespaces, fn);
						}

						// remove generic event handler if no more handlers exist
						for ( ret in events[ type ] ) {
							break;
						}
						if ( !ret ) {
							if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) {
								if ( elem.removeEventListener ) {
									elem.removeEventListener( type, jQuery.data( elem, "handle" ), false );
								} else if ( elem.detachEvent ) {
									elem.detachEvent( "on" + type, jQuery.data( elem, "handle" ) );
								}
							}
							ret = null;
							delete events[ type ];
						}
					}
				}
			}

			// Remove the expando if it's no longer used
			for ( ret in events ) {
				break;
			}
			if ( !ret ) {
				var handle = jQuery.data( elem, "handle" );
				if ( handle ) {
					handle.elem = null;
				}
				jQuery.removeData( elem, "events" );
				jQuery.removeData( elem, "handle" );
			}
		}
	},

	// bubbling is internal
	trigger: function( event, data, elem /*, bubbling */ ) {
		// Event object or event type
		var type = event.type || event,
			bubbling = arguments[3];

		if ( !bubbling ) {
			event = typeof event === "object" ?
				// jQuery.Event object
				event[expando] ? event :
				// Object literal
				jQuery.extend( jQuery.Event(type), event ) :
				// Just the event type (string)
				jQuery.Event(type);

			if ( type.indexOf("!") >= 0 ) {
				event.type = type = type.slice(0, -1);
				event.exclusive = true;
			}

			// Handle a global trigger
			if ( !elem ) {
				// Don't bubble custom events when global (to avoid too much overhead)
				event.stopPropagation();

				// Only trigger if we've ever bound an event for it
				if ( this.global[ type ] ) {
					jQuery.each( jQuery.cache, function() {
						if ( this.events && this.events[type] ) {
							jQuery.event.trigger( event, data, this.handle.elem );
						}
					});
				}
			}

			// Handle triggering a single element

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

			// Clean up in case it is reused
			event.result = undefined;
			event.target = elem;

			// Clone the incoming data, if any
			data = jQuery.makeArray( data );
			data.unshift( event );
		}

		event.currentTarget = elem;

		// Trigger the event, it is assumed that "handle" is a function
		var handle = jQuery.data( elem, "handle" );
		if ( handle ) {
			handle.apply( elem, data );
		}

		var parent = elem.parentNode || elem.ownerDocument;

		// Trigger an inline bound script
		try {
			if ( !(elem && elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) ) {
				if ( elem[ "on" + type ] && elem[ "on" + type ].apply( elem, data ) === false ) {
					event.result = false;
				}
			}

		// prevent IE from throwing an error for some elements with some event types, see #3533
		} catch (e) {}

		if ( !event.isPropagationStopped() && parent ) {
			jQuery.event.trigger( event, data, parent, true );

		} else if ( !event.isDefaultPrevented() ) {
			var target = event.target, old,
				isClick = jQuery.nodeName(target, "a") && type === "click";

			if ( !isClick && !(target && target.nodeName && jQuery.noData[target.nodeName.toLowerCase()]) ) {
				try {
					if ( target[ type ] ) {
						// Make sure that we don't accidentally re-trigger the onFOO events
						old = target[ "on" + type ];

						if ( old ) {
							target[ "on" + type ] = null;
						}

						this.triggered = true;
						target[ type ]();
					}

				// prevent IE from throwing an error for some elements with some event types, see #3533
				} catch (e) {}

				if ( old ) {
					target[ "on" + type ] = old;
				}

				this.triggered = false;
			}
		}
	},

	handle: function( event ) {
		// returned undefined or false
		var all, handlers;

		event = arguments[0] = jQuery.event.fix( event || window.event );
		event.currentTarget = this;

		// Namespaced event handlers
		var namespaces = event.type.split(".");
		event.type = namespaces.shift();

		// Cache this now, all = true means, any handler
		all = !namespaces.length && !event.exclusive;

		var namespace = new RegExp("(^|\\.)" + namespaces.slice(0).sort().join("\\.(?:.*\\.)?") + "(\\.|$)");

		handlers = ( jQuery.data(this, "events") || {} )[ event.type ];

		for ( var j in handlers ) {
			var handler = handlers[ j ];

			// Filter the functions by class
			if ( all || namespace.test(handler.type) ) {
				// Pass in a reference to the handler function itself
				// So that we can later remove it
				event.handler = handler;
				event.data = handler.data;

				var ret = handler.apply( this, arguments );

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

				if ( event.isImmediatePropagationStopped() ) {
					break;
				}

			}
		}

		return event.result;
	},

	props: "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode layerX layerY metaKey newValue offsetX offsetY originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "),

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

		// store a copy of the original event object
		// and "clone" to set read-only properties
		var originalEvent = event;
		event = jQuery.Event( originalEvent );

		for ( var i = this.props.length, prop; i; ) {
			prop = this.props[ --i ];
			event[ prop ] = originalEvent[ prop ];
		}

		// Fix target property, if necessary
		if ( !event.target ) {
			event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either
		}

		// check if target is a textnode (safari)
		if ( event.target.nodeType === 3 ) {
			event.target = event.target.parentNode;
		}

		// Add relatedTarget, if necessary
		if ( !event.relatedTarget && event.fromElement ) {
			event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
		}

		// Calculate pageX/Y if missing and clientX/Y available
		if ( event.pageX == null && event.clientX != null ) {
			var doc = document.documentElement, body = document.body;
			event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
			event.pageY = event.clientY + (doc && doc.scrollTop  || body && body.scrollTop  || 0) - (doc && doc.clientTop  || body && body.clientTop  || 0);
		}

		// Add which for key events
		if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) ) {
			event.which = event.charCode || event.keyCode;
		}

		// Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
		if ( !event.metaKey && event.ctrlKey ) {
			event.metaKey = event.ctrlKey;
		}

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

		return event;
	},

	// Deprecated, use jQuery.guid instead
	guid: 1E8,

	// Deprecated, use jQuery.proxy instead
	proxy: jQuery.proxy,

	special: {
		ready: {
			// Make sure the ready event is setup
			setup: jQuery.bindReady,
			teardown: jQuery.noop
		},

		live: {
			add: function( proxy, data, namespaces, live ) {
				jQuery.extend( proxy, data || {} );

				proxy.guid += data.selector + data.live; 
				data.liveProxy = proxy;

				jQuery.event.add( this, data.live, liveHandler, data ); 
				
			},

			remove: function( namespaces ) {
				if ( namespaces.length ) {
					var remove = 0, name = new RegExp("(^|\\.)" + namespaces[0] + "(\\.|$)");

					jQuery.each( (jQuery.data(this, "events").live || {}), function() {
						if ( name.test(this.type) ) {
							remove++;
						}
					});

					if ( remove < 1 ) {
						jQuery.event.remove( this, namespaces[0], liveHandler );
					}
				}
			},
			special: {}
		},
		beforeunload: {
			setup: function( data, namespaces, fn ) {
				// We only want to do this special case on windows
				if ( this.setInterval ) {
					this.onbeforeunload = fn;
				}

				return false;
			},
			teardown: function( namespaces, fn ) {
				if ( this.onbeforeunload === fn ) {
					this.onbeforeunload = null;
				}
			}
		}
	}
};

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

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

	// timeStamp is buggy for some events on Firefox(#3843)
	// So we won't rely on the native value
	this.timeStamp = now();

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

function returnFalse() {
	return false;
}
function returnTrue() {
	return 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 = {
	preventDefault: function() {
		this.isDefaultPrevented = returnTrue;

		var e = this.originalEvent;
		if ( !e ) {
			return;
		}
		
		// if preventDefault exists run it on the original event
		if ( e.preventDefault ) {
			e.preventDefault();
		}
		// otherwise set the returnValue property of the original event to false (IE)
		e.returnValue = false;
	},
	stopPropagation: function() {
		this.isPropagationStopped = returnTrue;

		var e = this.originalEvent;
		if ( !e ) {
			return;
		}
		// if stopPropagation exists run it on the original event
		if ( e.stopPropagation ) {
			e.stopPropagation();
		}
		// otherwise set the cancelBubble property of the original event to true (IE)
		e.cancelBubble = true;
	},
	stopImmediatePropagation: function() {
		this.isImmediatePropagationStopped = returnTrue;
		this.stopPropagation();
	},
	isDefaultPrevented: returnFalse,
	isPropagationStopped: returnFalse,
	isImmediatePropagationStopped: returnFalse
};

// Checks if an event happened on an element within another element
// Used in jQuery.event.special.mouseenter and mouseleave handlers
var withinElement = function( event ) {
	// Check if mouse(over|out) are still within the same parent element
	var parent = event.relatedTarget;

	// Traverse up the tree
	while ( parent && parent !== this ) {
		// Firefox sometimes assigns relatedTarget a XUL element
		// which we cannot access the parentNode property of
		try {
			parent = parent.parentNode;

		// assuming we've left the element since we most likely mousedover a xul element
		} catch(e) {
			break;
		}
	}

	if ( parent !== this ) {
		// set the correct event type
		event.type = event.data;

		// handle event if we actually just moused on to a non sub-element
		jQuery.event.handle.apply( this, arguments );
	}

},

// In case of event delegation, we only need to rename the event.type,
// liveHandler will take care of the rest.
delegate = function( event ) {
	event.type = event.data;
	jQuery.event.handle.apply( this, arguments );
};

// Create mouseenter and mouseleave events
jQuery.each({
	mouseenter: "mouseover",
	mouseleave: "mouseout"
}, function( orig, fix ) {
	jQuery.event.special[ orig ] = {
		setup: function( data ) {
			jQuery.event.add( this, fix, data && data.selector ? delegate : withinElement, orig );
		},
		teardown: function( data ) {
			jQuery.event.remove( this, fix, data && data.selector ? delegate : withinElement );
		}
	};
});

// submit delegation
if ( !jQuery.support.submitBubbles ) {

jQuery.event.special.submit = {
	setup: function( data, namespaces, fn ) {
		if ( this.nodeName.toLowerCase() !== "form" ) {
			jQuery.event.add(this, "click.specialSubmit." + fn.guid, function( e ) {
				var elem = e.target, type = elem.type;

				if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) {
					return trigger( "submit", this, arguments );
				}
			});
	 
			jQuery.event.add(this, "keypress.specialSubmit." + fn.guid, function( e ) {
				var elem = e.target, type = elem.type;

				if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) {
					return trigger( "submit", this, arguments );
				}
			});

		} else {
			return false;
		}
	},

	remove: function( namespaces, fn ) {
		jQuery.event.remove( this, "click.specialSubmit" + (fn ? "."+fn.guid : "") );
		jQuery.event.remove( this, "keypress.specialSubmit" + (fn ? "."+fn.guid : "") );
	}
};

}

// change delegation, happens here so we have bind.
if ( !jQuery.support.changeBubbles ) {

var formElems = /textarea|input|select/i;

function getVal( elem ) {
	var type = elem.type, val = elem.value;

	if ( type === "radio" || type === "checkbox" ) {
		val = elem.checked;

	} else if ( type === "select-multiple" ) {
		val = elem.selectedIndex > -1 ?
			jQuery.map( elem.options, function( elem ) {
				return elem.selected;
			}).join("-") :
			"";

	} else if ( elem.nodeName.toLowerCase() === "select" ) {
		val = elem.selectedIndex;
	}

	return val;
}

function testChange( e ) {
		var elem = e.target, data, val;

		if ( !formElems.test( elem.nodeName ) || elem.readOnly ) {
			return;
		}

		data = jQuery.data( elem, "_change_data" );
		val = getVal(elem);

		// the current data will be also retrieved by beforeactivate
		if ( e.type !== "focusout" || elem.type !== "radio" ) {
			jQuery.data( elem, "_change_data", val );
		}
		
		if ( data === undefined || val === data ) {
			return;
		}

		if ( data != null || val ) {
			e.type = "change";
			return jQuery.event.trigger( e, arguments[1], elem );
		}
}

jQuery.event.special.change = {
	filters: {
		focusout: testChange, 

		click: function( e ) {
			var elem = e.target, type = elem.type;

			if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) {
				return testChange.call( this, e );
			}
		},

		// Change has to be called before submit
		// Keydown will be called before keypress, which is used in submit-event delegation
		keydown: function( e ) {
			var elem = e.target, type = elem.type;

			if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") ||
				(e.keyCode === 32 && (type === "checkbox" || type === "radio")) ||
				type === "select-multiple" ) {
				return testChange.call( this, e );
			}
		},

		// Beforeactivate happens also before the previous element is blurred
		// with this event you can't trigger a change event, but you can store
		// information/focus[in] is not needed anymore
		beforeactivate: function( e ) {
			var elem = e.target;

			if ( elem.nodeName.toLowerCase() === "input" && elem.type === "radio" ) {
				jQuery.data( elem, "_change_data", getVal(elem) );
			}
		}
	},
	setup: function( data, namespaces, fn ) {
		for ( var type in changeFilters ) {
			jQuery.event.add( this, type + ".specialChange." + fn.guid, changeFilters[type] );
		}

		return formElems.test( this.nodeName );
	},
	remove: function( namespaces, fn ) {
		for ( var type in changeFilters ) {
			jQuery.event.remove( this, type + ".specialChange" + (fn ? "."+fn.guid : ""), changeFilters[type] );
		}

		return formElems.test( this.nodeName );
	}
};

var changeFilters = jQuery.event.special.change.filters;

}

function trigger( type, elem, args ) {
	args[0].type = type;
	return jQuery.event.handle.apply( elem, args );
}

// Create "bubbling" focus and blur events
if ( document.addEventListener ) {
	jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
		jQuery.event.special[ fix ] = {
			setup: function() {
				this.addEventListener( orig, handler, true );
			}, 
			teardown: function() { 
				this.removeEventListener( orig, handler, true );
			}
		};

		function handler( e ) { 
			e = jQuery.event.fix( e );
			e.type = fix;
			return jQuery.event.handle.call( this, e );
		}
	});
}

jQuery.each(["bind", "one"], function( i, name ) {
	jQuery.fn[ name ] = function( type, data, fn ) {
		// Handle object literals
		if ( typeof type === "object" ) {
			for ( var key in type ) {
				this[ name ](key, data, type[key], fn);
			}
			return this;
		}
		
		if ( jQuery.isFunction( data ) ) {
			fn = data;
			data = undefined;
		}

		var handler = name === "one" ? jQuery.proxy( fn, function( event ) {
			jQuery( this ).unbind( event, handler );
			return fn.apply( this, arguments );
		}) : fn;

		return type === "unload" && name !== "one" ?
			this.one( type, data, fn ) :
			this.each(function() {
				jQuery.event.add( this, type, handler, data );
			});
	};
});

jQuery.fn.extend({
	unbind: function( type, fn ) {
		// Handle object literals
		if ( typeof type === "object" && !type.preventDefault ) {
			for ( var key in type ) {
				this.unbind(key, type[key]);
			}
			return this;
		}

		return this.each(function() {
			jQuery.event.remove( this, type, fn );
		});
	},
	trigger: function( type, data ) {
		return this.each(function() {
			jQuery.event.trigger( type, data, this );
		});
	},

	triggerHandler: function( type, data ) {
		if ( this[0] ) {
			var event = jQuery.Event( type );
			event.preventDefault();
			event.stopPropagation();
			jQuery.event.trigger( event, data, this[0] );
			return event.result;
		}
	},

	toggle: function( fn ) {
		// Save reference to arguments for access in closure
		var args = arguments, i = 1;

		// link all the functions, so any of them can unbind this click handler
		while ( i < args.length ) {
			jQuery.proxy( fn, args[ i++ ] );
		}

		return this.click( jQuery.proxy( fn, function( event ) {
			// Figure out which function to execute
			var lastToggle = ( jQuery.data( this, "lastToggle" + fn.guid ) || 0 ) % i;
			jQuery.data( this, "lastToggle" + fn.guid, lastToggle + 1 );

			// Make sure that clicks stop
			event.preventDefault();

			// and execute the function
			return args[ lastToggle ].apply( this, arguments ) || false;
		}));
	},

	hover: function( fnOver, fnOut ) {
		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
	}
});

jQuery.each(["live", "die"], function( i, name ) {
	jQuery.fn[ name ] = function( types, data, fn ) {
		var type, i = 0;

		if ( jQuery.isFunction( data ) ) {
			fn = data;
			data = undefined;
		}

		types = (types || "").split( /\s+/ );

		while ( (type = types[ i++ ]) != null ) {
			type = type === "focus" ? "focusin" : // focus --> focusin
					type === "blur" ? "focusout" : // blur --> focusout
					type === "hover" ? types.push("mouseleave") && "mouseenter" : // hover support
					type;
			
			if ( name === "live" ) {
				// bind live handler
				jQuery( this.context ).bind( liveConvert( type, this.selector ), {
					data: data, selector: this.selector, live: type
				}, fn );

			} else {
				// unbind live handler
				jQuery( this.context ).unbind( liveConvert( type, this.selector ), fn ? { guid: fn.guid + this.selector + type } : null );
			}
		}
		
		return this;
	}
});

function liveHandler( event ) {
	var stop, elems = [], selectors = [], args = arguments,
		related, match, fn, elem, j, i, l, data,
		live = jQuery.extend({}, jQuery.data( this, "events" ).live);

	// Make sure we avoid non-left-click bubbling in Firefox (#3861)
	if ( event.button && event.type === "click" ) {
		return;
	}

	for ( j in live ) {
		fn = live[j];
		if ( fn.live === event.type ||
				fn.altLive && jQuery.inArray(event.type, fn.altLive) > -1 ) {

			data = fn.data;
			if ( !(data.beforeFilter && data.beforeFilter[event.type] && 
					!data.beforeFilter[event.type](event)) ) {
				selectors.push( fn.selector );
			}
		} else {
			delete live[j];
		}
	}

	match = jQuery( event.target ).closest( selectors, event.currentTarget );

	for ( i = 0, l = match.length; i < l; i++ ) {
		for ( j in live ) {
			fn = live[j];
			elem = match[i].elem;
			related = null;

			if ( match[i].selector === fn.selector ) {
				// Those two events require additional checking
				if ( fn.live === "mouseenter" || fn.live === "mouseleave" ) {
					related = jQuery( event.relatedTarget ).closest( fn.selector )[0];
				}

				if ( !related || related !== elem ) {
					elems.push({ elem: elem, fn: fn });
				}
			}
		}
	}

	for ( i = 0, l = elems.length; i < l; i++ ) {
		match = elems[i];
		event.currentTarget = match.elem;
		event.data = match.fn.data;
		if ( match.fn.apply( match.elem, args ) === false ) {
			stop = false;
			break;
		}
	}

	return stop;
}

function liveConvert( type, selector ) {
	return "live." + (type ? type + "." : "") + selector.replace(/\./g, "`").replace(/ /g, "&");
}

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").split(" "), function( i, name ) {

	// Handle event binding
	jQuery.fn[ name ] = function( fn ) {
		return fn ? this.bind( name, fn ) : this.trigger( name );
	};

	if ( jQuery.attrFn ) {
		jQuery.attrFn[ name ] = true;
	}
});

// Prevent memory leaks in IE
// Window isn't included so as not to unbind existing unload events
// More info:
//  - http://isaacschlueter.com/2006/10/msie-memory-leaks/
if ( window.attachEvent && !window.addEventListener ) {
	window.attachEvent("onunload", function() {
		for ( var id in jQuery.cache ) {
			if ( jQuery.cache[ id ].handle ) {
				// Try/Catch is to handle iframes being unloaded, see #4280
				try {
					jQuery.event.remove( jQuery.cache[ id ].handle.elem );
				} catch(e) {}
			}
		}
	});
}
/*!
 * Sizzle CSS Selector Engine - v1.0
 *  Copyright 2009, The Dojo Foundation
 *  Released under the MIT, BSD, and GPL Licenses.
 *  More information: http://sizzlejs.com/
 */
(function(){

var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
	done = 0,
	toString = Object.prototype.toString,
	hasDuplicate = false,
	baseHasDuplicate = true;

// Here we check if the JavaScript engine is using some sort of
// optimization where it does not always call our comparision
// function. If that is the case, discard the hasDuplicate value.
//   Thus far that includes Google Chrome.
[0, 0].sort(function(){
	baseHasDuplicate = false;
	return 0;
});

var Sizzle = function(selector, context, results, seed) {
	results = results || [];
	var origContext = context = context || document;

	if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
		return [];
	}
	
	if ( !selector || typeof selector !== "string" ) {
		return results;
	}

	var parts = [], m, set, checkSet, extra, prune = true, contextXML = isXML(context),
		soFar = selector;
	
	// Reset the position of the chunker regexp (start from head)
	while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
		soFar = m[3];
		
		parts.push( m[1] );
		
		if ( m[2] ) {
			extra = m[3];
			break;
		}
	}

	if ( parts.length > 1 && origPOS.exec( selector ) ) {
		if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
			set = posProcess( parts[0] + parts[1], context );
		} else {
			set = Expr.relative[ parts[0] ] ?
				[ context ] :
				Sizzle( parts.shift(), context );

			while ( parts.length ) {
				selector = parts.shift();

				if ( Expr.relative[ selector ] ) {
					selector += parts.shift();
				}
				
				set = posProcess( selector, set );
			}
		}
	} else {
		// Take a shortcut and set the context if the root selector is an ID
		// (but not if it'll be faster if the inner selector is an ID)
		if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
				Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
			var ret = Sizzle.find( parts.shift(), context, contextXML );
			context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
		}

		if ( context ) {
			var ret = seed ?
				{ expr: parts.pop(), set: makeArray(seed) } :
				Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
			set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;

			if ( parts.length > 0 ) {
				checkSet = makeArray(set);
			} else {
				prune = false;
			}

			while ( parts.length ) {
				var cur = parts.pop(), pop = cur;

				if ( !Expr.relative[ cur ] ) {
					cur = "";
				} else {
					pop = parts.pop();
				}

				if ( pop == null ) {
					pop = context;
				}

				Expr.relative[ cur ]( checkSet, pop, contextXML );
			}
		} else {
			checkSet = parts = [];
		}
	}

	if ( !checkSet ) {
		checkSet = set;
	}

	if ( !checkSet ) {
		Sizzle.error( cur || selector );
	}

	if ( toString.call(checkSet) === "[object Array]" ) {
		if ( !prune ) {
			results.push.apply( results, checkSet );
		} else if ( context && context.nodeType === 1 ) {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
					results.push( set[i] );
				}
			}
		} else {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
					results.push( set[i] );
				}
			}
		}
	} else {
		makeArray( checkSet, results );
	}

	if ( extra ) {
		Sizzle( extra, origContext, results, seed );
		Sizzle.uniqueSort( results );
	}

	return results;
};

Sizzle.uniqueSort = function(results){
	if ( sortOrder ) {
		hasDuplicate = baseHasDuplicate;
		results.sort(sortOrder);

		if ( hasDuplicate ) {
			for ( var i = 1; i < results.length; i++ ) {
				if ( results[i] === results[i-1] ) {
					results.splice(i--, 1);
				}
			}
		}
	}

	return results;
};

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

Sizzle.find = function(expr, context, isXML){
	var set, match;

	if ( !expr ) {
		return [];
	}

	for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
		var type = Expr.order[i], match;
		
		if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
			var left = match[1];
			match.splice(1,1);

			if ( left.substr( left.length - 1 ) !== "\\" ) {
				match[1] = (match[1] || "").replace(/\\/g, "");
				set = Expr.find[ type ]( match, context, isXML );
				if ( set != null ) {
					expr = expr.replace( Expr.match[ type ], "" );
					break;
				}
			}
		}
	}

	if ( !set ) {
		set = context.getElementsByTagName("*");
	}

	return {set: set, expr: expr};
};

Sizzle.filter = function(expr, set, inplace, not){
	var old = expr, result = [], curLoop = set, match, anyFound,
		isXMLFilter = set && set[0] && isXML(set[0]);

	while ( expr && set.length ) {
		for ( var type in Expr.filter ) {
			if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) {
				var filter = Expr.filter[ type ], found, item, left = match[1];
				anyFound = false;

				match.splice(1,1);

				if ( left.substr( left.length - 1 ) === "\\" ) {
					continue;
				}

				if ( curLoop === result ) {
					result = [];
				}

				if ( Expr.preFilter[ type ] ) {
					match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );

					if ( !match ) {
						anyFound = found = true;
					} else if ( match === true ) {
						continue;
					}
				}

				if ( match ) {
					for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
						if ( item ) {
							found = filter( item, match, i, curLoop );
							var pass = not ^ !!found;

							if ( inplace && found != null ) {
								if ( pass ) {
									anyFound = true;
								} else {
									curLoop[i] = false;
								}
							} else if ( pass ) {
								result.push( item );
								anyFound = true;
							}
						}
					}
				}

				if ( found !== undefined ) {
					if ( !inplace ) {
						curLoop = result;
					}

					expr = expr.replace( Expr.match[ type ], "" );

					if ( !anyFound ) {
						return [];
					}

					break;
				}
			}
		}

		// Improper expression
		if ( expr === old ) {
			if ( anyFound == null ) {
				Sizzle.error( expr );
			} else {
				break;
			}
		}

		old = expr;
	}

	return curLoop;
};

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

var Expr = Sizzle.selectors = {
	order: [ "ID", "NAME", "TAG" ],
	match: {
		ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
		ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
		TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
		CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
		POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
		PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
	},
	leftMatch: {},
	attrMap: {
		"class": "className",
		"for": "htmlFor"
	},
	attrHandle: {
		href: function(elem){
			return elem.getAttribute("href");
		}
	},
	relative: {
		"+": function(checkSet, part){
			var isPartStr = typeof part === "string",
				isTag = isPartStr && !/\W/.test(part),
				isPartStrNotTag = isPartStr && !isTag;

			if ( isTag ) {
				part = part.toLowerCase();
			}

			for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
				if ( (elem = checkSet[i]) ) {
					while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}

					checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ?
						elem || false :
						elem === part;
				}
			}

			if ( isPartStrNotTag ) {
				Sizzle.filter( part, checkSet, true );
			}
		},
		">": function(checkSet, part){
			var isPartStr = typeof part === "string";

			if ( isPartStr && !/\W/.test(part) ) {
				part = part.toLowerCase();

				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						var parent = elem.parentNode;
						checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false;
					}
				}
			} else {
				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						checkSet[i] = isPartStr ?
							elem.parentNode :
							elem.parentNode === part;
					}
				}

				if ( isPartStr ) {
					Sizzle.filter( part, checkSet, true );
				}
			}
		},
		"": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( typeof part === "string" && !/\W/.test(part) ) {
				var nodeCheck = part = part.toLowerCase();
				checkFn = dirNodeCheck;
			}

			checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
		},
		"~": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( typeof part === "string" && !/\W/.test(part) ) {
				var nodeCheck = part = part.toLowerCase();
				checkFn = dirNodeCheck;
			}

			checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
		}
	},
	find: {
		ID: function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? [m] : [];
			}
		},
		NAME: function(match, context){
			if ( typeof context.getElementsByName !== "undefined" ) {
				var ret = [], results = context.getElementsByName(match[1]);

				for ( var i = 0, l = results.length; i < l; i++ ) {
					if ( results[i].getAttribute("name") === match[1] ) {
						ret.push( results[i] );
					}
				}

				return ret.length === 0 ? null : ret;
			}
		},
		TAG: function(match, context){
			return context.getElementsByTagName(match[1]);
		}
	},
	preFilter: {
		CLASS: function(match, curLoop, inplace, result, not, isXML){
			match = " " + match[1].replace(/\\/g, "") + " ";

			if ( isXML ) {
				return match;
			}

			for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
				if ( elem ) {
					if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n]/g, " ").indexOf(match) >= 0) ) {
						if ( !inplace ) {
							result.push( elem );
						}
					} else if ( inplace ) {
						curLoop[i] = false;
					}
				}
			}

			return false;
		},
		ID: function(match){
			return match[1].replace(/\\/g, "");
		},
		TAG: function(match, curLoop){
			return match[1].toLowerCase();
		},
		CHILD: function(match){
			if ( match[1] === "nth" ) {
				// parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
				var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
					match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" ||
					!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);

				// calculate the numbers (first)n+(last) including if they are negative
				match[2] = (test[1] + (test[2] || 1)) - 0;
				match[3] = test[3] - 0;
			}

			// TODO: Move to normal caching system
			match[0] = done++;

			return match;
		},
		ATTR: function(match, curLoop, inplace, result, not, isXML){
			var name = match[1].replace(/\\/g, "");
			
			if ( !isXML && Expr.attrMap[name] ) {
				match[1] = Expr.attrMap[name];
			}

			if ( match[2] === "~=" ) {
				match[4] = " " + match[4] + " ";
			}

			return match;
		},
		PSEUDO: function(match, curLoop, inplace, result, not){
			if ( match[1] === "not" ) {
				// If we're dealing with a complex expression, or a simple one
				if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
					match[3] = Sizzle(match[3], null, null, curLoop);
				} else {
					var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
					if ( !inplace ) {
						result.push.apply( result, ret );
					}
					return false;
				}
			} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
				return true;
			}
			
			return match;
		},
		POS: function(match){
			match.unshift( true );
			return match;
		}
	},
	filters: {
		enabled: function(elem){
			return elem.disabled === false && elem.type !== "hidden";
		},
		disabled: function(elem){
			return elem.disabled === true;
		},
		checked: function(elem){
			return elem.checked === true;
		},
		selected: function(elem){
			// Accessing this property makes selected-by-default
			// options in Safari work properly
			elem.parentNode.selectedIndex;
			return elem.selected === true;
		},
		parent: function(elem){
			return !!elem.firstChild;
		},
		empty: function(elem){
			return !elem.firstChild;
		},
		has: function(elem, i, match){
			return !!Sizzle( match[3], elem ).length;
		},
		header: function(elem){
			return /h\d/i.test( elem.nodeName );
		},
		text: function(elem){
			return "text" === elem.type;
		},
		radio: function(elem){
			return "radio" === elem.type;
		},
		checkbox: function(elem){
			return "checkbox" === elem.type;
		},
		file: function(elem){
			return "file" === elem.type;
		},
		password: function(elem){
			return "password" === elem.type;
		},
		submit: function(elem){
			return "submit" === elem.type;
		},
		image: function(elem){
			return "image" === elem.type;
		},
		reset: function(elem){
			return "reset" === elem.type;
		},
		button: function(elem){
			return "button" === elem.type || elem.nodeName.toLowerCase() === "button";
		},
		input: function(elem){
			return /input|select|textarea|button/i.test(elem.nodeName);
		}
	},
	setFilters: {
		first: function(elem, i){
			return i === 0;
		},
		last: function(elem, i, match, array){
			return i === array.length - 1;
		},
		even: function(elem, i){
			return i % 2 === 0;
		},
		odd: function(elem, i){
			return i % 2 === 1;
		},
		lt: function(elem, i, match){
			return i < match[3] - 0;
		},
		gt: function(elem, i, match){
			return i > match[3] - 0;
		},
		nth: function(elem, i, match){
			return match[3] - 0 === i;
		},
		eq: function(elem, i, match){
			return match[3] - 0 === i;
		}
	},
	filter: {
		PSEUDO: function(elem, match, i, array){
			var name = match[1], filter = Expr.filters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			} else if ( name === "contains" ) {
				return (elem.textContent || elem.innerText || getText([ elem ]) || "").indexOf(match[3]) >= 0;
			} else if ( name === "not" ) {
				var not = match[3];

				for ( var i = 0, l = not.length; i < l; i++ ) {
					if ( not[i] === elem ) {
						return false;
					}
				}

				return true;
			} else {
				Sizzle.error( "Syntax error, unrecognized expression: " + name );
			}
		},
		CHILD: function(elem, match){
			var type = match[1], node = elem;
			switch (type) {
				case 'only':
				case 'first':
					while ( (node = node.previousSibling) )	 {
						if ( node.nodeType === 1 ) { 
							return false; 
						}
					}
					if ( type === "first" ) { 
						return true; 
					}
					node = elem;
				case 'last':
					while ( (node = node.nextSibling) )	 {
						if ( node.nodeType === 1 ) { 
							return false; 
						}
					}
					return true;
				case 'nth':
					var first = match[2], last = match[3];

					if ( first === 1 && last === 0 ) {
						return true;
					}
					
					var doneName = match[0],
						parent = elem.parentNode;
	
					if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
						var count = 0;
						for ( node = parent.firstChild; node; node = node.nextSibling ) {
							if ( node.nodeType === 1 ) {
								node.nodeIndex = ++count;
							}
						} 
						parent.sizcache = doneName;
					}
					
					var diff = elem.nodeIndex - last;
					if ( first === 0 ) {
						return diff === 0;
					} else {
						return ( diff % first === 0 && diff / first >= 0 );
					}
			}
		},
		ID: function(elem, match){
			return elem.nodeType === 1 && elem.getAttribute("id") === match;
		},
		TAG: function(elem, match){
			return (match === "*" && elem.nodeType === 1) || elem.nodeName.toLowerCase() === match;
		},
		CLASS: function(elem, match){
			return (" " + (elem.className || elem.getAttribute("class")) + " ")
				.indexOf( match ) > -1;
		},
		ATTR: function(elem, match){
			var name = match[1],
				result = Expr.attrHandle[ name ] ?
					Expr.attrHandle[ name ]( elem ) :
					elem[ name ] != null ?
						elem[ name ] :
						elem.getAttribute( name ),
				value = result + "",
				type = match[2],
				check = match[4];

			return result == null ?
				type === "!=" :
				type === "=" ?
				value === check :
				type === "*=" ?
				value.indexOf(check) >= 0 :
				type === "~=" ?
				(" " + value + " ").indexOf(check) >= 0 :
				!check ?
				value && result !== false :
				type === "!=" ?
				value !== check :
				type === "^=" ?
				value.indexOf(check) === 0 :
				type === "$=" ?
				value.substr(value.length - check.length) === check :
				type === "|=" ?
				value === check || value.substr(0, check.length + 1) === check + "-" :
				false;
		},
		POS: function(elem, match, i, array){
			var name = match[2], filter = Expr.setFilters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			}
		}
	}
};

var origPOS = Expr.match.POS;

for ( var type in Expr.match ) {
	Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
	Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source.replace(/\\(\d+)/g, function(all, num){
		return "\\" + (num - 0 + 1);
	}));
}

var makeArray = function(array, results) {
	array = Array.prototype.slice.call( array, 0 );

	if ( results ) {
		results.push.apply( results, array );
		return results;
	}
	
	return array;
};

// Perform a simple check to determine if the browser is capable of
// converting a NodeList to an array using builtin methods.
try {
	Array.prototype.slice.call( document.documentElement.childNodes, 0 );

// Provide a fallback method if it does not work
} catch(e){
	makeArray = function(array, results) {
		var ret = results || [];

		if ( toString.call(array) === "[object Array]" ) {
			Array.prototype.push.apply( ret, array );
		} else {
			if ( typeof array.length === "number" ) {
				for ( var i = 0, l = array.length; i < l; i++ ) {
					ret.push( array[i] );
				}
			} else {
				for ( var i = 0; array[i]; i++ ) {
					ret.push( array[i] );
				}
			}
		}

		return ret;
	};
}

var sortOrder;

if ( document.documentElement.compareDocumentPosition ) {
	sortOrder = function( a, b ) {
		if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return a.compareDocumentPosition ? -1 : 1;
		}

		var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( "sourceIndex" in document.documentElement ) {
	sortOrder = function( a, b ) {
		if ( !a.sourceIndex || !b.sourceIndex ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return a.sourceIndex ? -1 : 1;
		}

		var ret = a.sourceIndex - b.sourceIndex;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( document.createRange ) {
	sortOrder = function( a, b ) {
		if ( !a.ownerDocument || !b.ownerDocument ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return a.ownerDocument ? -1 : 1;
		}

		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
		aRange.setStart(a, 0);
		aRange.setEnd(a, 0);
		bRange.setStart(b, 0);
		bRange.setEnd(b, 0);
		var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
}

// Utility function for retreiving the text value of an array of DOM nodes
function getText( elems ) {
	var ret = "", elem;

	for ( var i = 0; elems[i]; i++ ) {
		elem = elems[i];

		// Get the text from text nodes and CDATA nodes
		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
			ret += elem.nodeValue;

		// Traverse everything else, except comment nodes
		} else if ( elem.nodeType !== 8 ) {
			ret += getText( elem.childNodes );
		}
	}

	return ret;
}

// Check to see if the browser returns elements by name when
// querying by getElementById (and provide a workaround)
(function(){
	// We're going to inject a fake input element with a specified name
	var form = document.createElement("div"),
		id = "script" + (new Date).getTime();
	form.innerHTML = "<a name='" + id + "'/>";

	// Inject it into the root element, check its status, and remove it quickly
	var root = document.documentElement;
	root.insertBefore( form, root.firstChild );

	// The workaround has to do additional checks after a getElementById
	// Which slows things down for other browsers (hence the branching)
	if ( document.getElementById( id ) ) {
		Expr.find.ID = function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
			}
		};

		Expr.filter.ID = function(elem, match){
			var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
			return elem.nodeType === 1 && node && node.nodeValue === match;
		};
	}

	root.removeChild( form );
	root = form = null; // release memory in IE
})();

(function(){
	// Check to see if the browser returns only elements
	// when doing getElementsByTagName("*")

	// Create a fake element
	var div = document.createElement("div");
	div.appendChild( document.createComment("") );

	// Make sure no comments are found
	if ( div.getElementsByTagName("*").length > 0 ) {
		Expr.find.TAG = function(match, context){
			var results = context.getElementsByTagName(match[1]);

			// Filter out possible comments
			if ( match[1] === "*" ) {
				var tmp = [];

				for ( var i = 0; results[i]; i++ ) {
					if ( results[i].nodeType === 1 ) {
						tmp.push( results[i] );
					}
				}

				results = tmp;
			}

			return results;
		};
	}

	// Check to see if an attribute returns normalized href attributes
	div.innerHTML = "<a href='#'></a>";
	if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
			div.firstChild.getAttribute("href") !== "#" ) {
		Expr.attrHandle.href = function(elem){
			return elem.getAttribute("href", 2);
		};
	}

	div = null; // release memory in IE
})();

if ( document.querySelectorAll ) {
	(function(){
		var oldSizzle = Sizzle, div = document.createElement("div");
		div.innerHTML = "<p class='TEST'></p>";

		// Safari can't handle uppercase or unicode characters when
		// in quirks mode.
		if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
			return;
		}
	
		Sizzle = function(query, context, extra, seed){
			context = context || document;

			// Only use querySelectorAll on non-XML documents
			// (ID selectors don't work in non-HTML documents)
			if ( !seed && context.nodeType === 9 && !isXML(context) ) {
				try {
					return makeArray( context.querySelectorAll(query), extra );
				} catch(e){}
			}
		
			return oldSizzle(query, context, extra, seed);
		};

		for ( var prop in oldSizzle ) {
			Sizzle[ prop ] = oldSizzle[ prop ];
		}

		div = null; // release memory in IE
	})();
}

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

	div.innerHTML = "<div class='test e'></div><div class='test'></div>";

	// Opera can't find a second classname (in 9.6)
	// Also, make sure that getElementsByClassName actually exists
	if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) {
		return;
	}

	// Safari caches class attributes, doesn't catch changes (in 3.2)
	div.lastChild.className = "e";

	if ( div.getElementsByClassName("e").length === 1 ) {
		return;
	}
	
	Expr.order.splice(1, 0, "CLASS");
	Expr.find.CLASS = function(match, context, isXML) {
		if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
			return context.getElementsByClassName(match[1]);
		}
	};

	div = null; // release memory in IE
})();

function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 && !isXML ){
					elem.sizcache = doneName;
					elem.sizset = i;
				}

				if ( elem.nodeName.toLowerCase() === cur ) {
					match = elem;
					break;
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 ) {
					if ( !isXML ) {
						elem.sizcache = doneName;
						elem.sizset = i;
					}
					if ( typeof cur !== "string" ) {
						if ( elem === cur ) {
							match = true;
							break;
						}

					} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
						match = elem;
						break;
					}
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

var contains = document.compareDocumentPosition ? function(a, b){
	return a.compareDocumentPosition(b) & 16;
} : function(a, b){
	return a !== b && (a.contains ? a.contains(b) : true);
};

var 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 : 0).documentElement;
	return documentElement ? documentElement.nodeName !== "HTML" : false;
};

var posProcess = function(selector, context){
	var tmpSet = [], later = "", match,
		root = context.nodeType ? [context] : context;

	// Position selectors must be done after the filter
	// And so must :not(positional) so we move all PSEUDOs to the end
	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
		later += match[0];
		selector = selector.replace( Expr.match.PSEUDO, "" );
	}

	selector = Expr.relative[selector] ? selector + "*" : selector;

	for ( var i = 0, l = root.length; i < l; i++ ) {
		Sizzle( selector, root[i], tmpSet );
	}

	return Sizzle.filter( later, tmpSet );
};

// EXPOSE
jQuery.find = Sizzle;
jQuery.expr = Sizzle.selectors;
jQuery.expr[":"] = jQuery.expr.filters;
jQuery.unique = Sizzle.uniqueSort;
jQuery.getText = getText;
jQuery.isXMLDoc = isXML;
jQuery.contains = contains;

return;

window.Sizzle = Sizzle;

})();
var runtil = /Until$/,
	rparentsprev = /^(?:parents|prevUntil|prevAll)/,
	// Note: This RegExp should be improved, or likely pulled from Sizzle
	rmultiselector = /,/,
	slice = Array.prototype.slice;

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

	} else if ( qualifier.nodeType ) {
		return jQuery.grep(elements, function( elem, i ) {
			return (elem === qualifier) === keep;
		});

	} else if ( typeof qualifier === "string" ) {
		var filtered = jQuery.grep(elements, function( elem ) {
			return elem.nodeType === 1;
		});

		if ( isSimple.test( qualifier ) ) {
			return jQuery.filter(qualifier, filtered, !keep);
		} else {
			qualifier = jQuery.filter( qualifier, filtered );
		}
	}

	return jQuery.grep(elements, function( elem, i ) {
		return (jQuery.inArray( elem, qualifier ) >= 0) === keep;
	});
};

jQuery.fn.extend({
	find: function( selector ) {
		var ret = this.pushStack( "", "find", selector ), length = 0;

		for ( var i = 0, l = this.length; i < l; i++ ) {
			length = ret.length;
			jQuery.find( selector, this[i], ret );

			if ( i > 0 ) {
				// Make sure that the results are unique
				for ( var n = length; n < ret.length; n++ ) {
					for ( var r = 0; r < length; r++ ) {
						if ( ret[r] === ret[n] ) {
							ret.splice(n--, 1);
							break;
						}
					}
				}
			}
		}

		return ret;
	},

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

	not: function( selector ) {
		return this.pushStack( winnow(this, selector, false), "not", selector);
	},

	filter: function( selector ) {
		return this.pushStack( winnow(this, selector, true), "filter", selector );
	},
	
	is: function( selector ) {
		return !!selector && jQuery.filter( selector, this ).length > 0;
	},

	closest: function( selectors, context ) {
		if ( jQuery.isArray( selectors ) ) {
			var ret = [], cur = this[0], match, matches = {}, selector;

			if ( cur && selectors.length ) {
				for ( var i = 0, l = selectors.length; i < l; i++ ) {
					selector = selectors[i];

					if ( !matches[selector] ) {
						matches[selector] = jQuery.expr.match.POS.test( selector ) ? 
							jQuery( selector, context || this.context ) :
							selector;
					}
				}

				while ( cur && cur.ownerDocument && cur !== context ) {
					for ( selector in matches ) {
						match = matches[selector];

						if ( match.jquery ? match.index(cur) > -1 : jQuery(cur).is(match) ) {
							ret.push({ selector: selector, elem: cur });
							delete matches[selector];
						}
					}
					cur = cur.parentNode;
				}
			}

			return ret;
		}

		var pos = jQuery.expr.match.POS.test( selectors ) ? 
			jQuery( selectors, context || this.context ) : null;

		return this.map(function( i, cur ) {
			while ( cur && cur.ownerDocument && cur !== context ) {
				if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selectors) ) {
					return cur;
				}
				cur = cur.parentNode;
			}
			return null;
		});
	},
	
	// Determine the position of an element within
	// the matched set of elements
	index: function( elem ) {
		if ( !elem || typeof elem === "string" ) {
			return jQuery.inArray( this[0],
				// If it receives a string, the selector is used
				// If it receives nothing, the siblings are used
				elem ? jQuery( elem ) : this.parent().children() );
		}
		// Locate the position of the desired element
		return jQuery.inArray(
			// If it receives a jQuery object, the first element is used
			elem.jquery ? elem[0] : elem, this );
	},

	add: function( selector, context ) {
		var set = typeof selector === "string" ?
				jQuery( selector, context || this.context ) :
				jQuery.makeArray( selector ),
			all = jQuery.merge( this.get(), set );

		return this.pushStack( isDisconnected( set[0] ) || isDisconnected( all[0] ) ?
			all :
			jQuery.unique( all ) );
	},

	andSelf: function() {
		return this.add( this.prevObject );
	}
});

// A painfully simple check to see if an element is disconnected
// from a document (should be improved, where feasible).
function isDisconnected( node ) {
	return !node || !node.parentNode || node.parentNode.nodeType === 11;
}

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 jQuery.nth( elem, 2, "nextSibling" );
	},
	prev: function( elem ) {
		return jQuery.nth( elem, 2, "previousSibling" );
	},
	nextAll: function( elem ) {
		return jQuery.dir( elem, "nextSibling" );
	},
	prevAll: function( elem ) {
		return jQuery.dir( elem, "previousSibling" );
	},
	nextUntil: fun