// prevent execution of jquery if included more than once
if(typeof window.jquery == "undefined") {
/*
 * jquery 1.1.3.1 - new wave javascript
 *
 * copyright (c) 2007 john resig (jquery.com)
 * dual licensed under the mit (mit-license.txt)
 * and gpl (gpl-license.txt) licenses.
 *
 * $date: 2007-07-05 00:43:24 -0400 (thu, 05 jul 2007) $
 * $rev: 2243 $
 */

// global undefined variable
window.undefined = window.undefined;
var jquery = function(a,c) {
	// if the context is global, return a new object
	if ( window == this || !this.init )
		return new jquery(a,c);
	
	return this.init(a,c);
};

// map over the $ in case of overwrite
if ( typeof $ != "undefined" )
	jquery._$ = $;
	
// map the jquery namespace to the '$' one
var $ = jquery;

jquery.fn = jquery.prototype = {
	init: function(a,c) {
		// make sure that a selection was provided
		a = a || document;

		// handle: $(function)
		// shortcut for document ready
		if ( jquery.isfunction(a) )
			return new jquery(document)[ jquery.fn.ready ? "ready" : "load" ]( a );

		// handle html strings
		if ( typeof a  == "string" ) {
			// handle: $(html) -> $(array)
			var m = /^[^<]*(<(.|\s)+>)[^>]*$/.exec(a);
			if ( m )
				a = jquery.clean( [ m[1] ] );

			// handle: $(expr)
			else
				return new jquery( c ).find( a );
		}

		return this.setarray(
			// handle: $(array)
			a.constructor == array && a ||

			// handle: $(arraylike)
			// watch for when an array-like object is passed as the selector
			(a.jquery || a.length && a != window && !a.nodetype && a[0] != undefined && a[0].nodetype) && jquery.makearray( a ) ||

			// handle: $(*)
			[ a ] );
	},
	jquery: "1.1.3.1",

	size: function() {
		return this.length;
	},
	
	length: 0,

	get: function( num ) {
		return num == undefined ?

			// return a 'clean' array
			jquery.makearray( this ) :

			// return just the object
			this[num];
	},
	pushstack: function( a ) {
		var ret = jquery(a);
		ret.prevobject = this;
		return ret;
	},
	setarray: function( a ) {
		this.length = 0;
		[].push.apply( this, a );
		return this;
	},
	each: function( fn, args ) {
		return jquery.each( this, fn, args );
	},
	index: function( obj ) {
		var pos = -1;
		this.each(function(i){
			if ( this == obj ) pos = i;
		});
		return pos;
	},

	attr: function( key, value, type ) {
		var obj = key;
		
		// look for the case where we're accessing a style value
		if ( key.constructor == string )
			if ( value == undefined )
				return this.length && jquery[ type || "attr" ]( this[0], key ) || undefined;
			else {
				obj = {};
				obj[ key ] = value;
			}
		
		// check to see if we're setting style values
		return this.each(function(index){
			// set all the styles
			for ( var prop in obj )
				jquery.attr(
					type ? this.style : this,
					prop, jquery.prop(this, obj[prop], type, index, prop)
				);
		});
	},

	css: function( key, value ) {
		return this.attr( key, value, "curcss" );
	},

	text: function(e) {
		if ( typeof e == "string" )
			return this.empty().append( document.createtextnode( e ) );

		var t = "";
		jquery.each( e || this, function(){
			jquery.each( this.childnodes, function(){
				if ( this.nodetype != 8 )
					t += this.nodetype != 1 ?
						this.nodevalue : jquery.fn.text([ this ]);
			});
		});
		return t;
	},

	wrap: function() {
		// the elements to wrap the target around
		var a, args = arguments;

		// wrap each of the matched elements individually
		return this.each(function(){
			if ( !a )
				a = jquery.clean(args, this.ownerdocument);

			// clone the structure that we're using to wrap
			var b = a[0].clonenode(true);

			// insert it before the element to be wrapped
			this.parentnode.insertbefore( b, this );

			// find the deepest point in the wrap structure
			while ( b.firstchild )
				b = b.firstchild;

			// move the matched element to within the wrap structure
			b.appendchild( this );
		});
	},
	append: function() {
		return this.dommanip(arguments, true, 1, function(a){
			this.appendchild( a );
		});
	},
	prepend: function() {
		return this.dommanip(arguments, true, -1, function(a){
			this.insertbefore( a, this.firstchild );
		});
	},
	before: function() {
		return this.dommanip(arguments, false, 1, function(a){
			this.parentnode.insertbefore( a, this );
		});
	},
	after: function() {
		return this.dommanip(arguments, false, -1, function(a){
			this.parentnode.insertbefore( a, this.nextsibling );
		});
	},
	end: function() {
		return this.prevobject || jquery([]);
	},
	find: function(t) {
		var data = jquery.map(this, function(a){ return jquery.find(t,a); });
		return this.pushstack( /[^+>] [^+>]/.test( t ) || t.indexof("..") > -1 ?
			jquery.unique( data ) : data );
	},
	clone: function(deep) {
		// need to remove events on the element and its descendants
		var $this = this.add(this.find("*"));
		$this.each(function() {
			this._$events = {};
			for (var type in this.$events)
				this._$events[type] = jquery.extend({},this.$events[type]);
		}).unbind();

		// do the clone
		var r = this.pushstack( jquery.map( this, function(a){
			return a.clonenode( deep != undefined ? deep : true );
		}) );

		// add the events back to the original and its descendants
		$this.each(function() {
			var events = this._$events;
			for (var type in events)
				for (var handler in events[type])
					jquery.event.add(this, type, events[type][handler], events[type][handler].data);
			this._$events = null;
		});

		// return the cloned set
		return r;
	},

	filter: function(t) {
		return this.pushstack(
			jquery.isfunction( t ) &&
			jquery.grep(this, function(el, index){
				return t.apply(el, [index])
			}) ||

			jquery.multifilter(t,this) );
	},

	not: function(t) {
		return this.pushstack(
			t.constructor == string &&
			jquery.multifilter(t, this, true) ||

			jquery.grep(this, function(a) {
				return ( t.constructor == array || t.jquery )
					? jquery.inarray( a, t ) < 0
					: a != t;
			})
		);
	},

	add: function(t) {
		return this.pushstack( jquery.merge(
			this.get(),
			t.constructor == string ?
				jquery(t).get() :
				t.length != undefined && (!t.nodename || t.nodename == "form") ?
					t : [t] )
		);
	},
	is: function(expr) {
		return expr ? jquery.multifilter(expr,this).length > 0 : false;
	},

	val: function( val ) {
		return val == undefined ?
			( this.length ? this[0].value : null ) :
			this.attr( "value", val );
	},

	html: function( val ) {
		return val == undefined ?
			( this.length ? this[0].innerhtml : null ) :
			this.empty().append( val );
	},
	dommanip: function(args, table, dir, fn){
		var clone = this.length > 1, a; 

		return this.each(function(){
			if ( !a ) {
				a = jquery.clean(args, this.ownerdocument);
				if ( dir < 0 )
					a.reverse();
			}

			var obj = this;

			if ( table && jquery.nodename(this, "table") && jquery.nodename(a[0], "tr") )
				obj = this.getelementsbytagname("tbody")[0] || this.appendchild(document.createelement("tbody"));

			jquery.each( a, function(){
				fn.apply( obj, [ clone ? this.clonenode(true) : this ] );
			});

		});
	}
};

jquery.extend = jquery.fn.extend = function() {
	// copy reference to target object
	var target = arguments[0], a = 1;

	// extend jquery itself if only one argument is passed
	if ( arguments.length == 1 ) {
		target = this;
		a = 0;
	}
	var prop;
	while ( (prop = arguments[a++]) != null )
		// extend the base object
		for ( var i in prop ) target[i] = prop[i];

	// return the modified object
	return target;
};

jquery.extend({
	noconflict: function() {
		if ( jquery._$ )
			$ = jquery._$;
		return jquery;
	},

	// this may seem like some crazy code, but trust me when i say that this
	// is the only cross-browser way to do this. --john
	isfunction: function( fn ) {
		return !!fn && typeof fn != "string" && !fn.nodename && 
			fn.constructor != array && /function/i.test( fn + "" );
	},
	
	// check if an element is in a xml document
	isxmldoc: function(elem) {
		return elem.tagname && elem.ownerdocument && !elem.ownerdocument.body;
	},

	nodename: function( elem, name ) {
		return elem.nodename && elem.nodename.touppercase() == name.touppercase();
	},
	// args is for internal usage only
	each: function( obj, fn, args ) {
		if ( obj.length == undefined )
			for ( var i in obj )
				fn.apply( obj[i], args || [i, obj[i]] );
		else
			for ( var i = 0, ol = obj.length; i < ol; i++ )
				if ( fn.apply( obj[i], args || [i, obj[i]] ) === false ) break;
		return obj;
	},
	
	prop: function(elem, value, type, index, prop){
			// handle executable functions
			if ( jquery.isfunction( value ) )
				value = value.call( elem, [index] );
				
			// exclude the following css properties to add px
			var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;

			// handle passing in a number to a css property
			return value && value.constructor == number && type == "curcss" && !exclude.test(prop) ?
				value + "px" :
				value;
	},

	classname: {
		// internal only, use addclass("class")
		add: function( elem, c ){
			jquery.each( c.split(/\s+/), function(i, cur){
				if ( !jquery.classname.has( elem.classname, cur ) )
					elem.classname += ( elem.classname ? " " : "" ) + cur;
			});
		},

		// internal only, use removeclass("class")
		remove: function( elem, c ){
			elem.classname = c != undefined ?
				jquery.grep( elem.classname.split(/\s+/), function(cur){
					return !jquery.classname.has( c, cur );	
				}).join(" ") : "";
		},

		// internal only, use is(".class")
		has: function( t, c ) {
			return jquery.inarray( c, (t.classname || t).tostring().split(/\s+/) ) > -1;
		}
	},
	swap: function(e,o,f) {
		for ( var i in o ) {
			e.style["old"+i] = e.style[i];
			e.style[i] = o[i];
		}
		f.apply( e, [] );
		for ( var i in o )
			e.style[i] = e.style["old"+i];
	},

	css: function(e,p) {
		if ( p == "height" || p == "width" ) {
			var old = {}, oheight, owidth, d = ["top","bottom","right","left"];

			jquery.each( d, function(){
				old["padding" + this] = 0;
				old["border" + this + "width"] = 0;
			});

			jquery.swap( e, old, function() {
				if ( jquery(e).is(':visible') ) {
					oheight = e.offsetheight;
					owidth = e.offsetwidth;
				} else {
					e = jquery(e.clonenode(true))
						.find(":radio").removeattr("checked").end()
						.css({
							visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0"
						}).appendto(e.parentnode)[0];

					var parpos = jquery.css(e.parentnode,"position") || "static";
					if ( parpos == "static" )
						e.parentnode.style.position = "relative";

					oheight = e.clientheight;
					owidth = e.clientwidth;

					if ( parpos == "static" )
						e.parentnode.style.position = "static";

					e.parentnode.removechild(e);
				}
			});

			return p == "height" ? oheight : owidth;
		}

		return jquery.curcss( e, p );
	},

	curcss: function(elem, prop, force) {
		var ret;

		if (prop == "opacity" && jquery.browser.msie) {
			ret = jquery.attr(elem.style, "opacity");
			return ret == "" ? "1" : ret;
		}
		
		if (prop.match(/float/i))
			prop = jquery.stylefloat;

		if (!force && elem.style[prop])
			ret = elem.style[prop];

		else if (document.defaultview && document.defaultview.getcomputedstyle) {

			if (prop.match(/float/i))
				prop = "float";

			prop = prop.replace(/([a-z])/g,"-$1").tolowercase();
			var cur = document.defaultview.getcomputedstyle(elem, null);

			if ( cur )
				ret = cur.getpropertyvalue(prop);
			else if ( prop == "display" )
				ret = "none";
			else
				jquery.swap(elem, { display: "block" }, function() {
				    var c = document.defaultview.getcomputedstyle(this, "");
				    ret = c && c.getpropertyvalue(prop) || "";
				});

		} else if (elem.currentstyle) {
			var newprop = prop.replace(/\-(\w)/g,function(m,c){return c.touppercase();});
			ret = elem.currentstyle[prop] || elem.currentstyle[newprop];
		}

		return ret;
	},
	
	clean: function(a, doc) {
		var r = [];
		doc = doc || document;

		jquery.each( a, function(i,arg){
			if ( !arg ) return;

			if ( arg.constructor == number )
				arg = arg.tostring();
			
			// convert html string into dom nodes
			if ( typeof arg == "string" ) {
				// trim whitespace, otherwise indexof won't work as expected
				var s = jquery.trim(arg).tolowercase(), div = doc.createelement("div"), tb = [];

				var wrap =
					// option or optgroup
					!s.indexof("<opt") &&
					[1, "<select>", "</select>"] ||
					
					!s.indexof("<leg") &&
					[1, "<fieldset>", "</fieldset>"] ||
					
					(!s.indexof("<thead") || !s.indexof("<tbody") || !s.indexof("<tfoot") || !s.indexof("<colg")) &&
					[1, "<table>", "</table>"] ||
					
					!s.indexof("<tr") &&
					[2, "<table><tbody>", "</tbody></table>"] ||
					
				 	// <thead> matched above
					(!s.indexof("<td") || !s.indexof("<th")) &&
					[3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
					
					!s.indexof("<col") &&
					[2, "<table><colgroup>", "</colgroup></table>"] ||
					
					[0,"",""];

				// go to html and back, then peel off extra wrappers
				div.innerhtml = wrap[1] + arg + wrap[2];
				
				// move to the right depth
				while ( wrap[0]-- )
					div = div.firstchild;
				
				// remove ie's autoinserted <tbody> from table fragments
				if ( jquery.browser.msie ) {
					
					// string was a <table>, *may* have spurious <tbody>
					if ( !s.indexof("<table") && s.indexof("<tbody") < 0 ) 
						tb = div.firstchild && div.firstchild.childnodes;
						
					// string was a bare <thead> or <tfoot>
					else if ( wrap[1] == "<table>" && s.indexof("<tbody") < 0 )
						tb = div.childnodes;

					for ( var n = tb.length-1; n >= 0 ; --n )
						if ( jquery.nodename(tb[n], "tbody") && !tb[n].childnodes.length )
							tb[n].parentnode.removechild(tb[n]);
					
				}
				
				arg = jquery.makearray( div.childnodes );
			}

			if ( 0 === arg.length && (!jquery.nodename(arg, "form") && !jquery.nodename(arg, "select")) )
				return;

			if ( arg[0] == undefined || jquery.nodename(arg, "form") || arg.options )
				r.push( arg );
			else
				r = jquery.merge( r, arg );

		});

		return r;
	},
	
	attr: function(elem, name, value){
		var fix = jquery.isxmldoc(elem) ? {} : jquery.props;
		
		// certain attributes only work when accessed via the old dom 0 way
		if ( fix[name] ) {
			if ( value != undefined ) elem[fix[name]] = value;
			return elem[fix[name]];

		} else if ( value == undefined && jquery.browser.msie && jquery.nodename(elem, "form") && (name == "action" || name == "method") )
			return elem.getattributenode(name).nodevalue;

		// ie elem.getattribute passes even for style
		else if ( elem.tagname ) {
			

			if ( value != undefined ) elem.setattribute( name, value );
			if ( jquery.browser.msie && /href|src/.test(name) && !jquery.isxmldoc(elem) ) 
				return elem.getattribute( name, 2 );
			return elem.getattribute( name );

		// elem is actually elem.style ... set the style
		} else {
			// ie actually uses filters for opacity
			if ( name == "opacity" && jquery.browser.msie ) {
				if ( value != undefined ) {
					// ie has trouble with opacity if it does not have layout
					// force it by setting the zoom level
					elem.zoom = 1; 
	
					// set the alpha filter to set the opacity
					elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") +
						(parsefloat(value).tostring() == "nan" ? "" : "alpha(opacity=" + value * 100 + ")");
				}
	
				return elem.filter ? 
					(parsefloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).tostring() : "";
			}
			name = name.replace(/-([a-z])/ig,function(z,b){return b.touppercase();});
			if ( value != undefined ) elem[name] = value;
			return elem[name];
		}
	},
	trim: function(t){
		return t.replace(/^\s+|\s+$/g, "");
	},

	makearray: function( a ) {
		var r = [];

		// need to use typeof to fight safari childnodes crashes
		if ( typeof a != "array" )
			for ( var i = 0, al = a.length; i < al; i++ )
				r.push( a[i] );
		else
			r = a.slice( 0 );

		return r;
	},

	inarray: function( b, a ) {
		for ( var i = 0, al = a.length; i < al; i++ )
			if ( a[i] == b )
				return i;
		return -1;
	},
	merge: function(first, second) {
		// we have to loop this way because ie & opera overwrite the length
		// expando of getelementsbytagname
		for ( var i = 0; second[i]; i++ )
			first.push(second[i]);
		return first;
	},
	unique: function(first) {
		var r = [], num = jquery.mergenum++;

		for ( var i = 0, fl = first.length; i < fl; i++ )
			if ( num != first[i].mergenum ) {
				first[i].mergenum = num;
				r.push(first[i]);
			}

		return r;
	},

	mergenum: 0,
	grep: function(elems, fn, inv) {
		// if a string is passed in for the function, make a function
		// for it (a handy shortcut)
		if ( typeof fn == "string" )
			fn = new function("a","i","return " + fn);

		var result = [];

		// go through the array, only saving the items
		// that pass the validator function
		for ( var i = 0, el = elems.length; i < el; i++ )
			if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) )
				result.push( elems[i] );

		return result;
	},
	map: function(elems, fn) {
		// if a string is passed in for the function, make a function
		// for it (a handy shortcut)
		if ( typeof fn == "string" )
			fn = new function("a","return " + fn);

		var result = [];

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

			if ( val !== null && val != undefined ) {
				if ( val.constructor != array ) val = [val];
				result = result.concat( val );
			}
		}

		return result;
	}
});
 
/*
 * whether the w3c compliant box model is being used.
 *
 * @property
 * @name $.boxmodel
 * @type boolean
 * @cat javascript
 */
new function() {
	var b = navigator.useragent.tolowercase();

	// figure out what browser is being used
	jquery.browser = {
		version: (b.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
		safari: /webkit/.test(b),
		opera: /opera/.test(b),
		msie: /msie/.test(b) && !/opera/.test(b),
		mozilla: /mozilla/.test(b) && !/(compatible|webkit)/.test(b)
	};

	// check to see if the w3c box model is being used
	jquery.boxmodel = !jquery.browser.msie || document.compatmode == "css1compat";

	jquery.stylefloat = jquery.browser.msie ? "stylefloat" : "cssfloat",

	jquery.props = {
		"for": "htmlfor",
		"class": "classname",
		"float": jquery.stylefloat,
		cssfloat: jquery.stylefloat,
		stylefloat: jquery.stylefloat,
		innerhtml: "innerhtml",
		classname: "classname",
		value: "value",
		disabled: "disabled",
		checked: "checked",
		readonly: "readonly",
		selected: "selected",
		maxlength: "maxlength"
	};
};

jquery.each({
	parent: "a.parentnode",
	parents: "jquery.parents(a)",
	next: "jquery.nth(a,2,'nextsibling')",
	prev: "jquery.nth(a,2,'previoussibling')",
	siblings: "jquery.sibling(a.parentnode.firstchild,a)",
	children: "jquery.sibling(a.firstchild)"
}, function(i,n){
	jquery.fn[ i ] = function(a) {
		var ret = jquery.map(this,n);
		if ( a && typeof a == "string" )
			ret = jquery.multifilter(a,ret);
		return this.pushstack( ret );
	};
});

jquery.each({
	appendto: "append",
	prependto: "prepend",
	insertbefore: "before",
	insertafter: "after"
}, function(i,n){
	jquery.fn[ i ] = function(){
		var a = arguments;
		return this.each(function(){
			for ( var j = 0, al = a.length; j < al; j++ )
				jquery(a[j])[n]( this );
		});
	};
});

jquery.each( {
	removeattr: function( key ) {
		jquery.attr( this, key, "" );
		this.removeattribute( key );
	},
	addclass: function(c){
		jquery.classname.add(this,c);
	},
	removeclass: function(c){
		jquery.classname.remove(this,c);
	},
	toggleclass: function( c ){
		jquery.classname[ jquery.classname.has(this,c) ? "remove" : "add" ](this, c);
	},
	remove: function(a){
		if ( !a || jquery.filter( a, [this] ).r.length )
			this.parentnode.removechild( this );
	},
	empty: function() {
		while ( this.firstchild )
			this.removechild( this.firstchild );
	}
}, function(i,n){
	jquery.fn[ i ] = function() {
		return this.each( n, arguments );
	};
});

jquery.each( [ "eq", "lt", "gt", "contains" ], function(i,n){
	jquery.fn[ n ] = function(num,fn) {
		return this.filter( ":" + n + "(" + num + ")", fn );
	};
});

jquery.each( [ "height", "width" ], function(i,n){
	jquery.fn[ n ] = function(h) {
		return h == undefined ?
			( this.length ? jquery.css( this[0], n ) : null ) :
			this.css( n, h.constructor == string ? h : h + "px" );
	};
});
jquery.extend({
	expr: {
		"": "m[2]=='*'||jquery.nodename(a,m[2])",
		"#": "a.getattribute('id')==m[2]",
		":": {
			// position checks
			lt: "i<m[3]-0",
			gt: "i>m[3]-0",
			nth: "m[3]-0==i",
			eq: "m[3]-0==i",
			first: "i==0",
			last: "i==r.length-1",
			even: "i%2==0",
			odd: "i%2",

			// child checks
			"first-child": "a.parentnode.getelementsbytagname('*')[0]==a",
			"last-child": "jquery.nth(a.parentnode.lastchild,1,'previoussibling')==a",
			"only-child": "!jquery.nth(a.parentnode.lastchild,2,'previoussibling')",

			// parent checks
			parent: "a.firstchild",
			empty: "!a.firstchild",

			// text check
			contains: "(a.textcontent||a.innertext||'').indexof(m[3])>=0",

			// visibility
			visible: '"hidden"!=a.type&&jquery.css(a,"display")!="none"&&jquery.css(a,"visibility")!="hidden"',
			hidden: '"hidden"==a.type||jquery.css(a,"display")=="none"||jquery.css(a,"visibility")=="hidden"',

			// form attributes
			enabled: "!a.disabled",
			disabled: "a.disabled",
			checked: "a.checked",
			selected: "a.selected||jquery.attr(a,'selected')",

			// form elements
			text: "'text'==a.type",
			radio: "'radio'==a.type",
			checkbox: "'checkbox'==a.type",
			file: "'file'==a.type",
			password: "'password'==a.type",
			submit: "'submit'==a.type",
			image: "'image'==a.type",
			reset: "'reset'==a.type",
			button: '"button"==a.type||jquery.nodename(a,"button")',
			input: "/input|select|textarea|button/i.test(a.nodename)"
		},
		"[": "jquery.find(m[2],a).length"
	},
	
	// the regular expressions that power the parsing engine
	parse: [
		// match: [@value='test'], [@foo]
		/^\[ *(@)([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,

		// match: [div], [div p]
		/^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,

		// match: :contains('foo')
		/^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,

		// match: :even, :last-chlid, #id, .class
		new regexp("^([:.#]*)(" + 
			( jquery.chars = jquery.browser.safari && jquery.browser.version < "3.0.0" ? "\\w" : "(?:[\\w\u0128-\uffff*_-]|\\\\.)" ) + "+)")
	],

	multifilter: function( expr, elems, not ) {
		var old, cur = [];

		while ( expr && expr != old ) {
			old = expr;
			var f = jquery.filter( expr, elems, not );
			expr = f.t.replace(/^\s*,\s*/, "" );
			cur = not ? elems = f.r : jquery.merge( cur, f.r );
		}

		return cur;
	},
	find: function( t, context ) {
		// quickly handle non-string expressions
		if ( typeof t != "string" )
			return [ t ];

		// make sure that the context is a dom element
		if ( context && !context.nodetype )
			context = null;

		// set the correct context (if none is provided)
		context = context || document;

		// handle the common xpath // expression
		if ( !t.indexof("//") ) {
			context = context.documentelement;
			t = t.substr(2,t.length);

		// and the / root expression
		} else if ( !t.indexof("/") && !context.ownerdocument ) {
			context = context.documentelement;
			t = t.substr(1,t.length);
			if ( t.indexof("/") >= 1 )
				t = t.substr(t.indexof("/"),t.length);
		}

		// initialize the search
		var ret = [context], done = [], last;

		// continue while a selector expression exists, and while
		// we're no longer looping upon ourselves
		while ( t && last != t ) {
			var r = [];
			last = t;

			t = jquery.trim(t).replace( /^\/\//, "" );

			var foundtoken = false;

			// an attempt at speeding up child selectors that
			// point to a specific element tag
			var re = new regexp("^[/>]\\s*(" + jquery.chars + "+)");
			var m = re.exec(t);

			if ( m ) {
				var nodename = m[1].touppercase();

				// perform our own iteration and filter
				for ( var i = 0; ret[i]; i++ )
					for ( var c = ret[i].firstchild; c; c = c.nextsibling )
						if ( c.nodetype == 1 && (nodename == "*" || c.nodename.touppercase() == nodename.touppercase()) )
							r.push( c );

				ret = r;
				t = t.replace( re, "" );
				if ( t.indexof(" ") == 0 ) continue;
				foundtoken = true;
			} else {
				re = /^((\/?\.\.)|([>\/+~]))\s*([a-z]*)/i;

				if ( (m = re.exec(t)) != null ) {
					r = [];

					var nodename = m[4], mergenum = jquery.mergenum++;
					m = m[1];

					for ( var j = 0, rl = ret.length; j < rl; j++ )
						if ( m.indexof("..") < 0 ) {
							var n = m == "~" || m == "+" ? ret[j].nextsibling : ret[j].firstchild;
							for ( ; n; n = n.nextsibling )
								if ( n.nodetype == 1 ) {
									if ( m == "~" && n.mergenum == mergenum ) break;
									
									if (!nodename || n.nodename.touppercase() == nodename.touppercase() ) {
										if ( m == "~" ) n.mergenum = mergenum;
										r.push( n );
									}
									
									if ( m == "+" ) break;
								}
						} else
							r.push( ret[j].parentnode );

					ret = r;

					// and remove the token
					t = jquery.trim( t.replace( re, "" ) );
					foundtoken = true;
				}
			}

			// see if there's still an expression, and that we haven't already
			// matched a token
			if ( t && !foundtoken ) {
				// handle multiple expressions
				if ( !t.indexof(",") ) {
					// clean the result set
					if ( context == ret[0] ) ret.shift();

					// merge the result sets
					done = jquery.merge( done, ret );

					// reset the context
					r = ret = [context];

					// touch up the selector string
					t = " " + t.substr(1,t.length);

				} else {
					// optomize for the case nodename#idname
					var re2 = new regexp("^(" + jquery.chars + "+)(#)(" + jquery.chars + "+)");
					var m = re2.exec(t);
					
					// re-organize the results, so that they're consistent
					if ( m ) {
					   m = [ 0, m[2], m[3], m[1] ];

					} else {
						// otherwise, do a traditional filter check for
						// id, class, and element selectors
						re2 = new regexp("^([#.]?)(" + jquery.chars + "*)");
						m = re2.exec(t);
					}

					m[2] = m[2].replace(/\\/g, "");

					var elem = ret[ret.length-1];

					// try to do a global search by id, where we can
					if ( m[1] == "#" && elem && elem.getelementbyid ) {
						// optimization for html document case
						var oid = elem.getelementbyid(m[2]);
						
						// do a quick check for the existence of the actual id attribute
						// to avoid selecting by the name attribute in ie
						// also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form
						if ( (jquery.browser.msie||jquery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2] )
							oid = jquery('[@id="'+m[2]+'"]', elem)[0];

						// do a quick check for node name (where applicable) so
						// that div#foo searches will be really fast
						ret = r = oid && (!m[3] || jquery.nodename(oid, m[3])) ? [oid] : [];
					} else {
						// we need to find all descendant elements
						for ( var i = 0; ret[i]; i++ ) {
							// grab the tag name being searched for
							var tag = m[1] != "" || m[0] == "" ? "*" : m[2];

							// handle ie7 being really dumb about <object>s
							if ( tag == "*" && ret[i].nodename.tolowercase() == "object" )
								tag = "param";

							r = jquery.merge( r, ret[i].getelementsbytagname( tag ));
						}

						// it's faster to filter by class and be done with it
						if ( m[1] == "." )
							r = jquery.classfilter( r, m[2] );

						// same with id filtering
						if ( m[1] == "#" ) {
							var tmp = [];

							// try to find the element with the id
							for ( var i = 0; r[i]; i++ )
								if ( r[i].getattribute("id") == m[2] ) {
									tmp = [ r[i] ];
									break;
								}

							r = tmp;
						}

						ret = r;
					}

					t = t.replace( re2, "" );
				}

			}

			// if a selector string still exists
			if ( t ) {
				// attempt to filter it
				var val = jquery.filter(t,r);
				ret = r = val.r;
				t = jquery.trim(val.t);
			}
		}

		// an error occurred with the selector;
		// just return an empty set instead
		if ( t )
			ret = [];

		// remove the root context
		if ( ret && context == ret[0] )
			ret.shift();

		// and combine the results
		done = jquery.merge( done, ret );

		return done;
	},

	classfilter: function(r,m,not){
		m = " " + m + " ";
		var tmp = [];
		for ( var i = 0; r[i]; i++ ) {
			var pass = (" " + r[i].classname + " ").indexof( m ) >= 0;
			if ( !not && pass || not && !pass )
				tmp.push( r[i] );
		}
		return tmp;
	},

	filter: function(t,r,not) {
		var last;

		// look for common filter expressions
		while ( t  && t != last ) {
			last = t;

			var p = jquery.parse, m;

			for ( var i = 0; p[i]; i++ ) {
				m = p[i].exec( t );

				if ( m ) {
					// remove what we just matched
					t = t.substring( m[0].length );

					m[2] = m[2].replace(/\\/g, "");
					break;
				}
			}

			if ( !m )
				break;

			// :not() is a special case that can be optimized by
			// keeping it out of the expression list
			if ( m[1] == ":" && m[2] == "not" )
				r = jquery.filter(m[3], r, true).r;

			// we can get a big speed boost by filtering by class here
			else if ( m[1] == "." )
				r = jquery.classfilter(r, m[2], not);

			else if ( m[1] == "@" ) {
				var tmp = [], type = m[3];
				
				for ( var i = 0, rl = r.length; i < rl; i++ ) {
					var a = r[i], z = a[ jquery.props[m[2]] || m[2] ];
					
					if ( z == null || /href|src/.test(m[2]) )
						z = jquery.attr(a,m[2]) || '';

					if ( (type == "" && !!z ||
						 type == "=" && z == m[5] ||
						 type == "!=" && z != m[5] ||
						 type == "^=" && z && !z.indexof(m[5]) ||
						 type == "$=" && z.substr(z.length - m[5].length) == m[5] ||
						 (type == "*=" || type == "~=") && z.indexof(m[5]) >= 0) ^ not )
							tmp.push( a );
				}
				
				r = tmp;

			// we can get a speed boost by handling nth-child here
			} else if ( m[1] == ":" && m[2] == "nth-child" ) {
				var num = jquery.mergenum++, tmp = [],
					test = /(\d*)n\+?(\d*)/.exec(
						m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
						!/\d/.test(m[3]) && "n+" + m[3] || m[3]),
					first = (test[1] || 1) - 0, last = test[2] - 0;

				for ( var i = 0, rl = r.length; i < rl; i++ ) {
					var node = r[i], parentnode = node.parentnode;

					if ( num != parentnode.mergenum ) {
						var c = 1;

						for ( var n = parentnode.firstchild; n; n = n.nextsibling )
							if ( n.nodetype == 1 )
								n.nodeindex = c++;

						parentnode.mergenum = num;
					}

					var add = false;

					if ( first == 1 ) {
						if ( last == 0 || node.nodeindex == last )
							add = true;
					} else if ( (node.nodeindex + last) % first == 0 )
						add = true;

					if ( add ^ not )
						tmp.push( node );
				}

				r = tmp;

			// otherwise, find the expression to execute
			} else {
				var f = jquery.expr[m[1]];
				if ( typeof f != "string" )
					f = jquery.expr[m[1]][m[2]];

				// build a custom macro to enclose it
				eval("f = function(a,i){return " + f + "}");

				// execute it against the current filter
				r = jquery.grep( r, f, not );
			}
		}

		// return an array of filtered elements (r)
		// and the modified expression string (t)
		return { r: r, t: t };
	},
	parents: function( elem ){
		var matched = [];
		var cur = elem.parentnode;
		while ( cur && cur != document ) {
			matched.push( cur );
			cur = cur.parentnode;
		}
		return matched;
	},
	nth: function(cur,result,dir,elem){
		result = result || 1;
		var num = 0;

		for ( ; cur; cur = cur[dir] )
			if ( cur.nodetype == 1 && ++num == result )
				break;

		return cur;
	},
	sibling: function( n, elem ) {
		var r = [];

		for ( ; n; n = n.nextsibling ) {
			if ( n.nodetype == 1 && (!elem || n != elem) )
				r.push( n );
		}

		return r;
	}
});
/*
 * a number of helper functions used for managing events.
 * many of the ideas behind this code orignated from 
 * dean edwards' addevent library.
 */
jquery.event = {

	// bind an event to an element
	// original by dean edwards
	add: function(element, type, handler, data) {
		// for whatever reason, ie has trouble passing the window object
		// around, causing it to be cloned in the process
		if ( jquery.browser.msie && element.setinterval != undefined )
			element = window;
		
		// make sure that the function being executed has a unique id
		if ( !handler.guid )
			handler.guid = this.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 = function() { 
				// pass arguments and context to original handler 
				return fn.apply(this, arguments); 
			};

			// store data in unique handler 
			handler.data = data;

			// set the guid of unique handler to the same of original handler, so it can be removed 
			handler.guid = fn.guid;
		}

		// init the element's event structure
		if (!element.$events)
			element.$events = {};
		
		if (!element.$handle)
			element.$handle = function() {
				// returned undefined or false
				var val;

				// handle the second event of a trigger and when
				// an event is called after a page has unloaded
				if ( typeof jquery == "undefined" || jquery.event.triggered )
				  return val;
				
				val = jquery.event.handle.apply(element, arguments);
				
				return val;
			};

		// get the current list of functions bound to this event
		var handlers = element.$events[type];

		// init the event handler queue
		if (!handlers) {
			handlers = element.$events[type] = {};	
			
			// and bind the global event handler to the element
			if (element.addeventlistener)
				element.addeventlistener(type, element.$handle, false);
			else
				element.attachevent("on" + type, element.$handle);
		}

		// add the function to the element's handler list
		handlers[handler.guid] = handler;

		// remember the function in a global list (for triggering)
		if (!this.global[type])
			this.global[type] = [];
		// only add the element to the global list once
		if (jquery.inarray(element, this.global[type]) == -1)
			this.global[type].push( element );
	},

	guid: 1,
	global: {},

	// detach an event or set of events from an element
	remove: function(element, type, handler) {
		var events = element.$events, ret, index;

		if ( events ) {
			// type is actually an event object here
			if ( type && type.type ) {
				handler = type.handler;
				type = type.type;
			}
			
			if ( !type ) {
				for ( type in events )
					this.remove( element, type );

			} else if ( events[type] ) {
				// remove the given handler for the given type
				if ( handler )
					delete events[type][handler.guid];
				
				// remove all handlers for the given type
				else
					for ( handler in element.$events[type] )
						delete events[type][handler];

				// remove generic event handler if no more handlers exist
				for ( ret in events[type] ) break;
				if ( !ret ) {
					if (element.removeeventlistener)
						element.removeeventlistener(type, element.$handle, false);
					else
						element.detachevent("on" + type, element.$handle);
					ret = null;
					delete events[type];
					
					// remove element from the global event type cache
					while ( this.global[type] && ( (index = jquery.inarray(element, this.global[type])) >= 0 ) )
						delete this.global[type][index];
				}
			}

			// remove the expando if it's no longer used
			for ( ret in events ) break;
			if ( !ret )
				element.$handle = element.$events = null;
		}
	},

	trigger: function(type, data, element) {
		// clone the incoming data, if any
		data = jquery.makearray(data || []);

		// handle a global trigger
		if ( !element )
			jquery.each( this.global[type] || [], function(){
				jquery.event.trigger( type, data, this );
			});

		// handle triggering a single element
		else {
			var val, ret, fn = jquery.isfunction( element[ type ] || null );
			
			// pass along a fake event
			data.unshift( this.fix({ type: type, target: element }) );

			// trigger the event
			if ( jquery.isfunction(element.$handle) && (val = element.$handle.apply( element, data )) !== false )
				this.triggered = true;

			if ( fn && val !== false && !jquery.nodename(element, 'a') )
				element[ type ]();

			this.triggered = false;
		}
	},

	handle: function(event) {
		// returned undefined or false
		var val;

		// empty object is for triggered events with no data
		event = jquery.event.fix( event || window.event || {} ); 

		var c = this.$events && this.$events[event.type], args = [].slice.call( arguments, 1 );
		args.unshift( event );

		for ( var j in c ) {
			// pass in a reference to the handler function itself
			// so that we can later remove it
			args[0].handler = c[j];
			args[0].data = c[j].data;

			if ( c[j].apply( this, args ) === false ) {
				event.preventdefault();
				event.stoppropagation();
				val = false;
			}
		}

		// clean up added properties in ie to prevent memory leak
		if (jquery.browser.msie)
			event.target = event.preventdefault = event.stoppropagation =
				event.handler = event.data = null;

		return val;
	},

	fix: function(event) {
		// store a copy of the original event object 
		// and clone to set read-only properties
		var originalevent = event;
		event = jquery.extend({}, originalevent);
		
		// add preventdefault and stoppropagation since 
		// they will not work on the clone
		event.preventdefault = function() {
			// if preventdefault exists run it on the original event
			if (originalevent.preventdefault)
				return originalevent.preventdefault();
			// otherwise set the returnvalue property of the original event to false (ie)
			originalevent.returnvalue = false;
		};
		event.stoppropagation = function() {
			// if stoppropagation exists run it on the original event
			if (originalevent.stoppropagation)
				return originalevent.stoppropagation();
			// otherwise set the cancelbubble property of the original event to true (ie)
			originalevent.cancelbubble = true;
		};
		
		// fix target property, if necessary
		if ( !event.target && event.srcelement )
			event.target = event.srcelement;
				
		// check if target is a textnode (safari)
		if (jquery.browser.safari && event.target.nodetype == 3)
			event.target = originalevent.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 e = document.documentelement, b = document.body;
			event.pagex = event.clientx + (e && e.scrollleft || b.scrollleft);
			event.pagey = event.clienty + (e && e.scrolltop || b.scrolltop);
		}
			
		// add which for key events
		if ( !event.which && (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 )
			event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
			
		return event;
	}
};

jquery.fn.extend({
	bind: function( type, data, fn ) {
		return type == "unload" ? this.one(type, data, fn) : this.each(function(){
			jquery.event.add( this, type, fn || data, fn && data );
		});
	},
	one: function( type, data, fn ) {
		return this.each(function(){
			jquery.event.add( this, type, function(event) {
				jquery(this).unbind(event);
				return (fn || data).apply( this, arguments);
			}, fn && data);
		});
	},
	unbind: function( type, fn ) {
		return this.each(function(){
			jquery.event.remove( this, type, fn );
		});
	},
	trigger: function( type, data ) {
		return this.each(function(){
			jquery.event.trigger( type, data, this );
		});
	},
	toggle: function() {
		// save reference to arguments for access in closure
		var a = arguments;

		return this.click(function(e) {
			// figure out which function to execute
			this.lasttoggle = 0 == this.lasttoggle ? 1 : 0;
			
			// make sure that clicks stop
			e.preventdefault();
			
			// and execute the function
			return a[this.lasttoggle].apply( this, [e] ) || false;
		});
	},
	hover: function(f,g) {
		
		// a private function for handling mouse 'hovering'
		function handlehover(e) {
			// check if mouse(over|out) are still within the same parent element
			var p = e.relatedtarget;
	
			// traverse up the tree
			while ( p && p != this ) try { p = p.parentnode } catch(e) { p = this; };
			
			// if we actually just moused on to a sub-element, ignore it
			if ( p == this ) return false;
			
			// execute the right function
			return (e.type == "mouseover" ? f : g).apply(this, [e]);
		}
		
		// bind the function to the two event listeners
		return this.mouseover(handlehover).mouseout(handlehover);
	},
	ready: function(f) {
		// if the dom is already ready
		if ( jquery.isready )
			// execute the function immediately
			f.apply( document, [jquery] );
			
		// otherwise, remember the function for later
		else
			// add the function to the wait list
			jquery.readylist.push( function() { return f.apply(this, [jquery]) } );
	
		return this;
	}
});

jquery.extend({
	/*
	 * all the code that makes dom ready work nicely.
	 */
	isready: false,
	readylist: [],
	
	// handle when the dom is ready
	ready: function() {
		// make sure that the dom is not already loaded
		if ( !jquery.isready ) {
			// remember that the dom is ready
			jquery.isready = true;
			
			// if there are functions bound, to execute
			if ( jquery.readylist ) {
				// execute all of them
				jquery.each( jquery.readylist, function(){
					this.apply( document );
				});
				
				// reset the list of functions
				jquery.readylist = null;
			}
			// remove event listener to avoid memory leak
			if ( jquery.browser.mozilla || jquery.browser.opera )
				document.removeeventlistener( "domcontentloaded", jquery.ready, false );
			
			// remove script element used by ie hack
			if( !window.frames.length ) // don't remove if frames are present (#1187)
				jquery(window).load(function(){ jquery("#__ie_init").remove(); });
		}
	}
});

new function(){

	jquery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
		"mousedown,mouseup,mousemove,mouseover,mouseout,change,select," + 
		"submit,keydown,keypress,keyup,error").split(","), function(i,o){
		
		// handle event binding
		jquery.fn[o] = function(f){
			return f ? this.bind(o, f) : this.trigger(o);
		};
			
	});
	
	// if mozilla is used
	if ( jquery.browser.mozilla || jquery.browser.opera )
		// use the handy event callback
		document.addeventlistener( "domcontentloaded", jquery.ready, false );
	
	// if ie is used, use the excellent hack by matthias miller
	// http://www.outofhanwell.com/blog/index.php?title=the_window_onload_problem_revisited
	else if ( jquery.browser.msie ) {
	
		// only works if you document.write() it
		document.write("<scr" + "ipt id=__ie_init defer=true " + 
			"src=//:><\/script>");
	
		// use the defer script hack
		var script = document.getelementbyid("__ie_init");
		
		// script does not exist if jquery is loaded dynamically
		if ( script ) 
			script.onreadystatechange = function() {
				if ( this.readystate != "complete" ) return;
				jquery.ready();
			};
	
		// clear from memory
		script = null;
	
	// if safari  is used
	} else if ( jquery.browser.safari )
		// continually check to see if the document.readystate is valid
		jquery.safaritimer = setinterval(function(){
			// loaded and complete are both valid states
			if ( document.readystate == "loaded" || 
				document.readystate == "complete" ) {
	
				// if either one are found, remove the timer
				clearinterval( jquery.safaritimer );
				jquery.safaritimer = null;
	
				// and execute any waiting functions
				jquery.ready();
			}
		}, 10); 

	// a fallback to window.onload, that will always work
	jquery.event.add( window, "load", jquery.ready );
	
};

// clean up after ie to avoid memory leaks
if (jquery.browser.msie)
	jquery(window).one("unload", function() {
		var global = jquery.event.global;
		for ( var type in global ) {
			var els = global[type], i = els.length;
			if ( i && type != 'unload' )
				do
					els[i-1] && jquery.event.remove(els[i-1], type);
				while (--i);
		}
	});
jquery.fn.extend({
	loadifmodified: function( url, params, callback ) {
		this.load( url, params, callback, 1 );
	},
	load: function( url, params, callback, ifmodified ) {
		if ( jquery.isfunction( url ) )
			return this.bind("load", url);

		callback = callback || function(){};

		// default to a get request
		var type = "get";

		// if the second parameter was provided
		if ( params )
			// if it's a function
			if ( jquery.isfunction( params ) ) {
				// we assume that it's the callback
				callback = params;
				params = null;

			// otherwise, build a param string
			} else {
				params = jquery.param( params );
				type = "post";
			}

		var self = this;

		// request the remote document
		jquery.ajax({
			url: url,
			type: type,
			data: params,
			ifmodified: ifmodified,
			complete: function(res, status){
				if ( status == "success" || !ifmodified && status == "notmodified" )
					// inject the html into all the matched elements
					self.attr("innerhtml", res.responsetext)
					  // execute all the scripts inside of the newly-injected html
					  .evalscripts()
					  // execute callback
					  .each( callback, [res.responsetext, status, res] );
				else
					callback.apply( self, [res.responsetext, status, res] );
			}
		});
		return this;
	},
	serialize: function() {
		return jquery.param( this );
	},
	evalscripts: function() {
		return this.find("script").each(function(){
			if ( this.src )
				jquery.getscript( this.src );
			else
				jquery.globaleval( this.text || this.textcontent || this.innerhtml || "" );
		}).end();
	}

});

// attach a bunch of functions for handling common ajax events

jquery.each( "ajaxstart,ajaxstop,ajaxcomplete,ajaxerror,ajaxsuccess,ajaxsend".split(","), function(i,o){
	jquery.fn[o] = function(f){
		return this.bind(o, f);
	};
});

jquery.extend({
	get: function( url, data, callback, type, ifmodified ) {
		// shift arguments if data argument was ommited
		if ( jquery.isfunction( data ) ) {
			callback = data;
			data = null;
		}
		
		return jquery.ajax({
			type: "get",
			url: url,
			data: data,
			success: callback,
			datatype: type,
			ifmodified: ifmodified
		});
	},
	getifmodified: function( url, data, callback, type ) {
		return jquery.get(url, data, callback, type, 1);
	},
	getscript: function( url, callback ) {
		return jquery.get(url, null, callback, "script");
	},
	getjson: function( url, data, callback ) {
		return jquery.get(url, data, callback, "json");
	},
	post: function( url, data, callback, type ) {
		if ( jquery.isfunction( data ) ) {
			callback = data;
			data = {};
		}

		return jquery.ajax({
			type: "post",
			url: url,
			data: data,
			success: callback,
			datatype: type
		});
	},
	ajaxtimeout: function( timeout ) {
		jquery.ajaxsettings.timeout = timeout;
	},
	ajaxsetup: function( settings ) {
		jquery.extend( jquery.ajaxsettings, settings );
	},

	ajaxsettings: {
		global: true,
		type: "get",
		timeout: 0,
		contenttype: "application/x-www-form-urlencoded",
		processdata: true,
		async: true,
		data: null
	},
	
	// last-modified header cache for next request
	lastmodified: {},
	ajax: function( s ) {
		// todo introduce global settings, allowing the client to modify them for all requests, not only timeout
		s = jquery.extend({}, jquery.ajaxsettings, s);

		// if data available
		if ( s.data ) {
			// convert data if not already a string
			if (s.processdata && typeof s.data != "string")
    			s.data = jquery.param(s.data);
			// append data to url for get requests
			if( s.type.tolowercase() == "get" ) {
				// "?" + data or "&" + data (in case there are already params)
				s.url += ((s.url.indexof("?") > -1) ? "&" : "?") + s.data;
				// ie likes to send both get and post data, prevent this
				s.data = null;
			}
		}

		// watch for a new set of requests
		if ( s.global && ! jquery.active++ )
			jquery.event.trigger( "ajaxstart" );

		var requestdone = false;

		// create the request object; microsoft failed to properly
		// implement the xmlhttprequest in ie7, so we use the activexobject when it is available
		var xml = window.activexobject ? new activexobject("microsoft.xmlhttp") : new xmlhttprequest();

		// open the socket
		xml.open(s.type, s.url, s.async);

		// set the correct header, if data is being sent
		if ( s.data )
			xml.setrequestheader("content-type", s.contenttype);

		// set the if-modified-since header, if ifmodified mode.
		if ( s.ifmodified )
			xml.setrequestheader("if-modified-since",
				jquery.lastmodified[s.url] || "thu, 01 jan 1970 00:00:00 gmt" );

		// set header so the called script knows that it's an xmlhttprequest
		xml.setrequestheader("x-requested-with", "xmlhttprequest");

		// allow custom headers/mimetypes
		if( s.beforesend )
			s.beforesend(xml);
			
		if ( s.global )
		    jquery.event.trigger("ajaxsend", [xml, s]);

		// wait for a response to come back
		var onreadystatechange = function(istimeout){
			// the transfer is complete and the data is available, or the request timed out
			if ( xml && (xml.readystate == 4 || istimeout == "timeout") ) {
				requestdone = true;
				
				// clear poll interval
				if (ival) {
					clearinterval(ival);
					ival = null;
				}
				
				var status;
				try {
					status = jquery.httpsuccess( xml ) && istimeout != "timeout" ?
						s.ifmodified && jquery.httpnotmodified( xml, s.url ) ? "notmodified" : "success" : "error";
					// make sure that the request was successful or notmodified
					if ( status != "error" ) {
						// cache last-modified header, if ifmodified mode.
						var modres;
						try {
							modres = xml.getresponseheader("last-modified");
						} catch(e) {} // swallow exception thrown by ff if header is not available
	
						if ( s.ifmodified && modres )
							jquery.lastmodified[s.url] = modres;
	
						// process the data (runs the xml through httpdata regardless of callback)
						var data = jquery.httpdata( xml, s.datatype );
	
						// if a local callback was specified, fire it and pass it the data
						if ( s.success )
							s.success( data, status );
	
						// fire the global callback
						if( s.global )
							jquery.event.trigger( "ajaxsuccess", [xml, s] );
					} else
						jquery.handleerror(s, xml, status);
				} catch(e) {
					status = "error";
					jquery.handleerror(s, xml, status, e);
				}

				// the request was completed
				if( s.global )
					jquery.event.trigger( "ajaxcomplete", [xml, s] );

				// handle the global ajax counter
				if ( s.global && ! --jquery.active )
					jquery.event.trigger( "ajaxstop" );

				// process result
				if ( s.complete )
					s.complete(xml, status);

				// stop memory leaks
				if(s.async)
					xml = null;
			}
		};
		
		// don't attach the handler to the request, just poll it instead
		var ival = setinterval(onreadystatechange, 13); 

		// timeout checker
		if ( s.timeout > 0 )
			settimeout(function(){
				// check to see if the request is still happening
				if ( xml ) {
					// cancel the request
					xml.abort();

					if( !requestdone )
						onreadystatechange( "timeout" );
				}
			}, s.timeout);
			
		// send the data
		try {
			xml.send(s.data);
		} catch(e) {
			jquery.handleerror(s, xml, null, e);
		}
		
		// firefox 1.5 doesn't fire statechange for sync requests
		if ( !s.async )
			onreadystatechange();
		
		// return xmlhttprequest to allow aborting the request etc.
		return xml;
	},

	handleerror: function( s, xml, status, e ) {
		// if a local callback was specified, fire it
		if ( s.error ) s.error( xml, status, e );

		// fire the global callback
		if ( s.global )
			jquery.event.trigger( "ajaxerror", [xml, s, e] );
	},

	// counter for holding the number of active queries
	active: 0,

	// determines if an xmlhttprequest was successful or not
	httpsuccess: function( r ) {
		try {
			return !r.status && location.protocol == "file:" ||
				( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
				jquery.browser.safari && r.status == undefined;
		} catch(e){}
		return false;
	},

	// determines if an xmlhttprequest returns notmodified
	httpnotmodified: function( xml, url ) {
		try {
			var xmlres = xml.getresponseheader("last-modified");

			// firefox always returns 200. check last-modified date
			return xml.status == 304 || xmlres == jquery.lastmodified[url] ||
				jquery.browser.safari && xml.status == undefined;
		} catch(e){}
		return false;
	},

	/* get the data out of an xmlhttprequest.
	 * return parsed xml if content-type header is "xml" and type is "xml" or omitted,
	 * otherwise return plain text.
	 * (string) data - the type of data that you're expecting back,
	 * (e.g. "xml", "html", "script")
	 */
	httpdata: function( r, type ) {
		var ct = r.getresponseheader("content-type");
		var data = !type && ct && ct.indexof("xml") >= 0;
		data = type == "xml" || data ? r.responsexml : r.responsetext;

		// if the type is "script", eval it in global context
		if ( type == "script" )
			jquery.globaleval( data );

		// get the javascript object, if json is used.
		if ( type == "json" )
			data = eval("(" + data + ")");

		// evaluate scripts within html
		if ( type == "html" )
			jquery("<div>").html(data).evalscripts();

		return data;
	},

	// serialize an array of form elements or a set of
	// key/values into a query string
	param: function( a ) {
		var s = [];

		// if an array was passed in, assume that it is an array
		// of form elements
		if ( a.constructor == array || a.jquery )
			// serialize the form elements
			jquery.each( a, function(){
				s.push( encodeuricomponent(this.name) + "=" + encodeuricomponent( this.value ) );
			});

		// otherwise, assume that it's an object of key/value pairs
		else
			// serialize the key/values
			for ( var j in a )
				// if the value is an array then the key names need to be repeated
				if ( a[j] && a[j].constructor == array )
					jquery.each( a[j], function(){
						s.push( encodeuricomponent(j) + "=" + encodeuricomponent( this ) );
					});
				else
					s.push( encodeuricomponent(j) + "=" + encodeuricomponent( a[j] ) );

		// return the resulting serialization
		return s.join("&");
	},
	
	// evalulates a script in global context
	// not reliable for safari
	globaleval: function( data ) {
		if ( window.execscript )
			window.execscript( data );
		else if ( jquery.browser.safari )
			// safari doesn't provide a synchronous global eval
			window.settimeout( data, 0 );
		else
			eval.call( window, data );
	}

});
jquery.fn.extend({

	show: function(speed,callback){
		return speed ?
			this.animate({
				height: "show", width: "show", opacity: "show"
			}, speed, callback) :
			
			this.filter(":hidden").each(function(){
				this.style.display = this.oldblock ? this.oldblock : "";
				if ( jquery.css(this,"display") == "none" )
					this.style.display = "block";
			}).end();
	},

	hide: function(speed,callback){
		return speed ?
			this.animate({
				height: "hide", width: "hide", opacity: "hide"
			}, speed, callback) :
			
			this.filter(":visible").each(function(){
				this.oldblock = this.oldblock || jquery.css(this,"display");
				if ( this.oldblock == "none" )
					this.oldblock = "block";
				this.style.display = "none";
			}).end();
	},

	// save the old toggle function
	_toggle: jquery.fn.toggle,
	toggle: function( fn, fn2 ){
		return jquery.isfunction(fn) && jquery.isfunction(fn2) ?
			this._toggle( fn, fn2 ) :
			fn ?
				this.animate({
					height: "toggle", width: "toggle", opacity: "toggle"
				}, fn, fn2) :
				this.each(function(){
					jquery(this)[ jquery(this).is(":hidden") ? "show" : "hide" ]();
				});
	},
	slidedown: function(speed,callback){
		return this.animate({height: "show"}, speed, callback);
	},
	slideup: function(speed,callback){
		return this.animate({height: "hide"}, speed, callback);
	},
	slidetoggle: function(speed, callback){
		return this.animate({height: "toggle"}, speed, callback);
	},
	fadein: function(speed, callback){
		return this.animate({opacity: "show"}, speed, callback);
	},
	fadeout: function(speed, callback){
		return this.animate({opacity: "hide"}, speed, callback);
	},
	fadeto: function(speed,to,callback){
		return this.animate({opacity: to}, speed, callback);
	},
	animate: function( prop, speed, easing, callback ) {
		return this.queue(function(){
			var hidden = jquery(this).is(":hidden"),
				opt = jquery.speed(speed, easing, callback),
				self = this;
			
			for ( var p in prop ) {
				if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden )
					return jquery.isfunction(opt.complete) && opt.complete.apply(this);

				if ( p == "height" || p == "width" ) {
					// store display property
					opt.display = jquery.css(this, "display");

					// make sure that nothing sneaks out
					opt.overflow = this.style.overflow;
				}
			}

			if ( opt.overflow != null )
				this.style.overflow = "hidden";

			this.curanim = jquery.extend({}, prop);
			
			jquery.each( prop, function(name, val){
				var e = new jquery.fx( self, opt, name );
				if ( val.constructor == number )
					e.custom( e.cur(), val );
				else
					e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
			});
		});
	},
	queue: function(type,fn){
		if ( !fn ) {
			fn = type;
			type = "fx";
		}
	
		return this.each(function(){
			if ( !this.queue )
				this.queue = {};
	
			if ( !this.queue[type] )
				this.queue[type] = [];
	
			this.queue[type].push( fn );
		
			if ( this.queue[type].length == 1 )
				fn.apply(this);
		});
	}

});

jquery.extend({
	
	speed: function(speed, easing, fn) {
		var opt = speed && speed.constructor == object ? speed : {
			complete: fn || !fn && easing || 
				jquery.isfunction( speed ) && speed,
			duration: speed,
			easing: fn && easing || easing && easing.constructor != function && easing || (jquery.easing.swing ? "swing" : "linear")
		};

		opt.duration = (opt.duration && opt.duration.constructor == number ? 
			opt.duration : 
			{ slow: 600, fast: 200 }[opt.duration]) || 400;
	
		// queueing
		opt.old = opt.complete;
		opt.complete = function(){
			jquery.dequeue(this, "fx");
			if ( jquery.isfunction( opt.old ) )
				opt.old.apply( this );
		};
	
		return opt;
	},
	
	easing: {
		linear: function( p, n, firstnum, diff ) {
			return firstnum + diff * p;
		},
		swing: function( p, n, firstnum, diff ) {
			return ((-math.cos(p*math.pi)/2) + 0.5) * diff + firstnum;
		}
	},
	
	queue: {},
	
	dequeue: function(elem,type){
		type = type || "fx";
	
		if ( elem.queue && elem.queue[type] ) {
			// remove self
			elem.queue[type].shift();
	
			// get next function
			var f = elem.queue[type][0];
		
			if ( f ) f.apply( elem );
		}
	},

	timers: [],

	/*
	 * i originally wrote fx() as a clone of moo.fx and in the process
	 * of making it small in size the code became illegible to sane
	 * people. you've been warned.
	 */
	
	fx: function( elem, options, prop ){

		var z = this;

		// the styles
		var y = elem.style;
		
		// simple function for setting a style value
		z.a = function(){
			if ( options.step )
				options.step.apply( elem, [ z.now ] );

			if ( prop == "opacity" )
				jquery.attr(y, "opacity", z.now); // let attr handle opacity
			else {
				y[prop] = parseint(z.now) + "px";
				y.display = "block"; // set display property to block for animation
			}
		};

		// figure out the maximum number to run to
		z.max = function(){
			return parsefloat( jquery.css(elem,prop) );
		};

		// get the current size
		z.cur = function(){
			var r = parsefloat( jquery.curcss(elem, prop) );
			return r && r > -10000 ? r : z.max();
		};

		// start an animation from one number to another
		z.custom = function(from,to){
			z.starttime = (new date()).gettime();
			z.now = from;
			z.a();

			jquery.timers.push(function(){
				return z.step(from, to);
			});

			if ( jquery.timers.length == 1 ) {
				var timer = setinterval(function(){
					var timers = jquery.timers;
					
					for ( var i = 0; i < timers.length; i++ )
						if ( !timers[i]() )
							timers.splice(i--, 1);

					if ( !timers.length )
						clearinterval( timer );
				}, 13);
			}
		};

		// simple 'show' function
		z.show = function(){
			if ( !elem.orig ) elem.orig = {};

			// remember where we started, so that we can go back to it later
			elem.orig[prop] = jquery.attr( elem.style, prop );

			options.show = true;

			// begin the animation
			z.custom(0, this.cur());

			// make sure that we start at a small width/height to avoid any
			// flash of content
			if ( prop != "opacity" )
				y[prop] = "1px";
			
			// start by showing the element
			jquery(elem).show();
		};

		// simple 'hide' function
		z.hide = function(){
			if ( !elem.orig ) elem.orig = {};

			// remember where we started, so that we can go back to it later
			elem.orig[prop] = jquery.attr( elem.style, prop );

			options.hide = true;

			// begin the animation
			z.custom(this.cur(), 0);
		};

		// each step of an animation
		z.step = function(firstnum, lastnum){
			var t = (new date()).gettime();

			if (t > options.duration + z.starttime) {
				z.now = lastnum;
				z.a();

				if (elem.curanim) elem.curanim[ prop ] = true;

				var done = true;
				for ( var i in elem.curanim )
					if ( elem.curanim[i] !== true )
						done = false;

				if ( done ) {
					if ( options.display != null ) {
						// reset the overflow
						y.overflow = options.overflow;
					
						// reset the display
						y.display = options.display;
						if ( jquery.css(elem, "display") == "none" )
							y.display = "block";
					}

					// hide the element if the "hide" operation was done
					if ( options.hide )
						y.display = "none";

					// reset the properties, if the item has been hidden or shown
					if ( options.hide || options.show )
						for ( var p in elem.curanim )
							jquery.attr(y, p, elem.orig[p]);
				}

				// if a callback was provided, execute it
				if ( done && jquery.isfunction( options.complete ) )
					// execute the complete function
					options.complete.apply( elem );

				return false;
			} else {
				var n = t - this.starttime;
				// figure out where in the animation we are and set the number
				var p = n / options.duration;
				
				// perform the easing function, defaults to swing
				z.now = jquery.easing[options.easing](p, n, firstnum, (lastnum-firstnum), options.duration);

				// perform the next step of the animation
				z.a();
			}

			return true;
		};
	
	}
});
}