/*!

 * jQuery JavaScript Library v1.3.1

 * http://jquery.com/

 *

 * Copyright (c) 2009 John Resig

 * Dual licensed under the MIT and GPL licenses.

 * http://docs.jquery.com/License

 *

 * Date: 2009-01-21 20:42:16 -0500 (Wed, 21 Jan 2009)

 * Revision: 6158

 */

(function(){

var 

	// Will speed up references to window, and allows munging its name.

	window = this,

	// Will speed up references to undefined, and allows munging its name.

	undefined,

	// Map over jQuery in case of overwrite

	_jQuery = window.jQuery,

	// Map over the $ in case of overwrite

	_$ = window.$,

	jQuery = window.jQuery = window.$ = function( selector, context ) {

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

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

	},

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

	// (both of which we optimize for)

	quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,

	// Is it a simple selector

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

jQuery.fn = jQuery.prototype = {

	init: function( selector, context ) {

		// Make sure that a selection was provided

		selector = selector || document;

		// Handle $(DOMElement)

		if ( selector.nodeType ) {

			this[0] = selector;

			this.length = 1;

			this.context = selector;

			return this;

		}

		// Handle HTML strings

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

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

			var 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] )

					selector = jQuery.clean( [ match[1] ], context );

				// HANDLE: $("#id")

				else {

					var elem = document.getElementById( match[3] );

					// Handle the case where IE and Opera return items

					// by name instead of ID

					if ( elem && elem.id != match[3] )

						return jQuery().find( selector );

					// Otherwise, we inject the element directly into the jQuery object

					var ret = jQuery( elem || [] );

					ret.context = document;

					ret.selector = selector;

					return ret;

				}

			// HANDLE: $(expr, [context])

			// (which is just equivalent to: $(content).find(expr)

			} else

				return jQuery( context ).find( selector );

		// HANDLE: $(function)

		// Shortcut for document ready

		} else if ( jQuery.isFunction( selector ) )

			return jQuery( document ).ready( selector );

		// Make sure that old selector state is passed along

		if ( selector.selector && selector.context ) {

			this.selector = selector.selector;

			this.context = selector.context;

		}

		return this.setArray(jQuery.makeArray(selector));

	},

	// Start with an empty selector

	selector: "",

	// The current version of jQuery being used

	jquery: "1.3.1",

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

	size: function() {

		return this.length;

	},

	// 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 === undefined ?

			// Return a 'clean' array

			jQuery.makeArray( this ) :

			// Return just the object

			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 );

		// 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;

		Array.prototype.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 );

	},

	// Determine the position of an element within

	// the matched set of elements

	index: function( elem ) {

		// Locate the position of the desired element

		return jQuery.inArray(

			// If it receives a jQuery object, the first element is used

			elem && elem.jquery ? elem[0] : elem

		, this );

	},

	attr: function( name, value, type ) {

		var options = name;

		// Look for the case where we're accessing a style value

		if ( typeof name === "string" )

			if ( value === undefined )

				return this[0] && jQuery[ type || "attr" ]( this[0], name );

			else {

				options = {};

				options[ name ] = value;

			}

		// Check to see if we're setting style values

		return this.each(function(i){

			// Set all the styles

			for ( name in options )

				jQuery.attr(

					type ?

						this.style :

						this,

					name, jQuery.prop( this, options[ name ], type, i, name )

				);

		});

	},

	css: function( key, value ) {

		// ignore negative width and height values

		if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )

			value = undefined;

		return this.attr( key, value, "curCSS" );

	},

	text: function( text ) {

		if ( typeof text !== "object" && text != null )

			return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );

		var ret = "";

		jQuery.each( text || this, function(){

			jQuery.each( this.childNodes, function(){

				if ( this.nodeType != 8 )

					ret += this.nodeType != 1 ?

						this.nodeValue :

						jQuery.fn.text( [ this ] );

			});

		});

		return ret;

	},

	wrapAll: function( html ) {

		if ( this[0] ) {

			// The elements to wrap the target around

			var wrap = jQuery( html, this[0].ownerDocument ).clone();

			if ( this[0].parentNode )

				wrap.insertBefore( this[0] );

			wrap.map(function(){

				var elem = this;

				while ( elem.firstChild )

					elem = elem.firstChild;

				return elem;

			}).append(this);

		}

		return this;

	},

	wrapInner: function( html ) {

		return this.each(function(){

			jQuery( this ).contents().wrapAll( html );

		});

	},

	wrap: function( html ) {

		return this.each(function(){

			jQuery( this ).wrapAll( html );

		});

	},

	append: function() {

		return this.domManip(arguments, true, function(elem){

			if (this.nodeType == 1)

				this.appendChild( elem );

		});

	},

	prepend: function() {

		return this.domManip(arguments, true, function(elem){

			if (this.nodeType == 1)

				this.insertBefore( elem, this.firstChild );

		});

	},

	before: function() {

		return this.domManip(arguments, false, function(elem){

			this.parentNode.insertBefore( elem, this );

		});

	},

	after: function() {

		return this.domManip(arguments, false, function(elem){

			this.parentNode.insertBefore( elem, this.nextSibling );

		});

	},

	end: function() {

		return this.prevObject || jQuery( [] );

	},

	// For internal use only.

	// Behaves like an Array's .push method, not like a jQuery method.

	push: [].push,

	find: function( selector ) {

		if ( this.length === 1 && !/,/.test(selector) ) {

			var ret = this.pushStack( [], "find", selector );

			ret.length = 0;

			jQuery.find( selector, this[0], ret );

			return ret;

		} else {

			var elems = jQuery.map(this, function(elem){

				return jQuery.find( selector, elem );

			});

			return this.pushStack( /[^+>] [^+>]/.test( selector ) ?

				jQuery.unique( elems ) :

				elems, "find", selector );

		}

	},

	clone: function( events ) {

		// Do the clone

		var ret = this.map(function(){

			if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {

				// IE copies events bound via attachEvent when

				// using cloneNode. Calling detachEvent on the

				// clone will also remove the events from the orignal

				// In order to get around this, we use innerHTML.

				// Unfortunately, this means some modifications to

				// attributes in IE that are actually only stored

				// as properties will not be copied (such as the

				// the name attribute on an input).

				var clone = this.cloneNode(true),

					container = document.createElement("div");

				container.appendChild(clone);

				return jQuery.clean([container.innerHTML])[0];

			} else

				return this.cloneNode(true);

		});

		// Need to set the expando to null on the cloned set if it exists

		// removeData doesn't work here, IE removes it from the original as well

		// this is primarily for IE but the data expando shouldn't be copied over in any browser

		var clone = ret.find("*").andSelf().each(function(){

			if ( this[ expando ] !== undefined )

				this[ expando ] = null;

		});

		// Copy the events from the original to the clone

		if ( events === true )

			this.find("*").andSelf().each(function(i){

				if (this.nodeType == 3)

					return;

				var events = jQuery.data( this, "events" );

				for ( var type in events )

					for ( var handler in events[ type ] )

						jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );

			});

		// Return the cloned set

		return ret;

	},

	filter: function( selector ) {

		return this.pushStack(

			jQuery.isFunction( selector ) &&

			jQuery.grep(this, function(elem, i){

				return selector.call( elem, i );

			}) ||

			jQuery.multiFilter( selector, jQuery.grep(this, function(elem){

				return elem.nodeType === 1;

			}) ), "filter", selector );

	},

	closest: function( selector ) {

		var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null;

		return this.map(function(){

			var cur = this;

			while ( cur && cur.ownerDocument ) {

				if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) )

					return cur;

				cur = cur.parentNode;

			}

		});

	},

	not: function( selector ) {

		if ( typeof selector === "string" )

			// test special case where just one selector is passed in

			if ( isSimple.test( selector ) )

				return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector );

			else

				selector = jQuery.multiFilter( selector, this );

		var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;

		return this.filter(function() {

			return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;

		});

	},

	add: function( selector ) {

		return this.pushStack( jQuery.unique( jQuery.merge(

			this.get(),

			typeof selector === "string" ?

				jQuery( selector ) :

				jQuery.makeArray( selector )

		)));

	},

	is: function( selector ) {

		return !!selector && jQuery.multiFilter( selector, this ).length > 0;

	},

	hasClass: function( selector ) {

		return !!selector && this.is( "." + selector );

	},

	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;				

				}

				// Everything else, we just grab the value

				return (elem.value || "").replace(/\r/g, "");

			}

			return undefined;

		}

		if ( typeof value === "number" )

			value += '';

		return this.each(function(){

			if ( this.nodeType != 1 )

				return;

			if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )

				this.checked = (jQuery.inArray(this.value, value) >= 0 ||

					jQuery.inArray(this.name, value) >= 0);

			else if ( jQuery.nodeName( this, "select" ) ) {

				var values = jQuery.makeArray(value);

				jQuery( "option", this ).each(function(){

					this.selected = (jQuery.inArray( this.value, values ) >= 0 ||

						jQuery.inArray( this.text, values ) >= 0);

				});

				if ( !values.length )

					this.selectedIndex = -1;

			} else

				this.value = value;

		});

	},

	html: function( value ) {

		return value === undefined ?

			(this[0] ?

				this[0].innerHTML :

				null) :

			this.empty().append( value );

	},

	replaceWith: function( value ) {

		return this.after( value ).remove();

	},

	eq: function( i ) {

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

	},

	slice: function() {

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

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

	},

	map: function( callback ) {

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

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

		}));

	},

	andSelf: function() {

		return this.add( this.prevObject );

	},

	domManip: function( args, table, callback ) {

		if ( this[0] ) {

			var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),

				scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),

				first = fragment.firstChild,

				extra = this.length > 1 ? fragment.cloneNode(true) : fragment;

			if ( first )

				for ( var i = 0, l = this.length; i < l; i++ )

					callback.call( root(this[i], first), i > 0 ? extra.cloneNode(true) : fragment );

			if ( scripts )

				jQuery.each( scripts, evalScript );

		}

		return this;

		function root( elem, cur ) {

			return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?

				(elem.getElementsByTagName("tbody")[0] ||

				elem.appendChild(elem.ownerDocument.createElement("tbody"))) :

				elem;

		}

	}