/*
 * jQuery UI 1.7.2
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 */
jQuery.ui||(function(c){var i=c.fn.remove,d=c.browser.mozilla&&(parseFloat(c.browser.version)<1.9);c.ui={version:"1.7.2",plugin:{add:function(k,l,n){var m=c.ui[k].prototype;for(var j in n){m.plugins[j]=m.plugins[j]||[];m.plugins[j].push([l,n[j]])}},call:function(j,l,k){var n=j.plugins[l];if(!n||!j.element[0].parentNode){return}for(var m=0;m<n.length;m++){if(j.options[n[m][0]]){n[m][1].apply(j.element,k)}}}},contains:function(k,j){return document.compareDocumentPosition?k.compareDocumentPosition(j)&16:k!==j&&k.contains(j)},hasScroll:function(m,k){if(c(m).css("overflow")=="hidden"){return false}var j=(k&&k=="left")?"scrollLeft":"scrollTop",l=false;if(m[j]>0){return true}m[j]=1;l=(m[j]>0);m[j]=0;return l},isOverAxis:function(k,j,l){return(k>j)&&(k<(j+l))},isOver:function(o,k,n,m,j,l){return c.ui.isOverAxis(o,n,j)&&c.ui.isOverAxis(k,m,l)},keyCode:{BACKSPACE:8,CAPS_LOCK:20,COMMA:188,CONTROL:17,DELETE:46,DOWN:40,END:35,ENTER:13,ESCAPE:27,HOME:36,INSERT:45,LEFT:37,NUMPAD_ADD:107,NUMPAD_DECIMAL:110,NUMPAD_DIVIDE:111,NUMPAD_ENTER:108,NUMPAD_MULTIPLY:106,NUMPAD_SUBTRACT:109,PAGE_DOWN:34,PAGE_UP:33,PERIOD:190,RIGHT:39,SHIFT:16,SPACE:32,TAB:9,UP:38}};if(d){var f=c.attr,e=c.fn.removeAttr,h="http://www.w3.org/2005/07/aaa",a=/^aria-/,b=/^wairole:/;c.attr=function(k,j,l){var m=l!==undefined;return(j=="role"?(m?f.call(this,k,j,"wairole:"+l):(f.apply(this,arguments)||"").replace(b,"")):(a.test(j)?(m?k.setAttributeNS(h,j.replace(a,"aaa:"),l):f.call(this,k,j.replace(a,"aaa:"))):f.apply(this,arguments)))};c.fn.removeAttr=function(j){return(a.test(j)?this.each(function(){this.removeAttributeNS(h,j.replace(a,""))}):e.call(this,j))}}c.fn.extend({remove:function(){c("*",this).add(this).each(function(){c(this).triggerHandler("remove")});return i.apply(this,arguments)},enableSelection:function(){return this.attr("unselectable","off").css("MozUserSelect","").unbind("selectstart.ui")},disableSelection:function(){return this.attr("unselectable","on").css("MozUserSelect","none").bind("selectstart.ui",function(){return false})},scrollParent:function(){var j;if((c.browser.msie&&(/(static|relative)/).test(this.css("position")))||(/absolute/).test(this.css("position"))){j=this.parents().filter(function(){return(/(relative|absolute|fixed)/).test(c.curCSS(this,"position",1))&&(/(auto|scroll)/).test(c.curCSS(this,"overflow",1)+c.curCSS(this,"overflow-y",1)+c.curCSS(this,"overflow-x",1))}).eq(0)}else{j=this.parents().filter(function(){return(/(auto|scroll)/).test(c.curCSS(this,"overflow",1)+c.curCSS(this,"overflow-y",1)+c.curCSS(this,"overflow-x",1))}).eq(0)}return(/fixed/).test(this.css("position"))||!j.length?c(document):j}});c.extend(c.expr[":"],{data:function(l,k,j){return !!c.data(l,j[3])},focusable:function(k){var l=k.nodeName.toLowerCase(),j=c.attr(k,"tabindex");return(/input|select|textarea|button|object/.test(l)?!k.disabled:"a"==l||"area"==l?k.href||!isNaN(j):!isNaN(j))&&!c(k)["area"==l?"parents":"closest"](":hidden").length},tabbable:function(k){var j=c.attr(k,"tabindex");return(isNaN(j)||j>=0)&&c(k).is(":focusable")}});function g(m,n,o,l){function k(q){var p=c[m][n][q]||[];return(typeof p=="string"?p.split(/,?\s+/):p)}var j=k("getter");if(l.length==1&&typeof l[0]=="string"){j=j.concat(k("getterSetter"))}return(c.inArray(o,j)!=-1)}c.widget=function(k,j){var l=k.split(".")[0];k=k.split(".")[1];c.fn[k]=function(p){var n=(typeof p=="string"),o=Array.prototype.slice.call(arguments,1);if(n&&p.substring(0,1)=="_"){return this}if(n&&g(l,k,p,o)){var m=c.data(this[0],k);return(m?m[p].apply(m,o):undefined)}return this.each(function(){var q=c.data(this,k);(!q&&!n&&c.data(this,k,new c[l][k](this,p))._init());(q&&n&&c.isFunction(q[p])&&q[p].apply(q,o))})};c[l]=c[l]||{};c[l][k]=function(o,n){var m=this;this.namespace=l;this.widgetName=k;this.widgetEventPrefix=c[l][k].eventPrefix||k;this.widgetBaseClass=l+"-"+k;this.options=c.extend({},c.widget.defaults,c[l][k].defaults,c.metadata&&c.metadata.get(o)[k],n);this.element=c(o).bind("setData."+k,function(q,p,r){if(q.target==o){return m._setData(p,r)}}).bind("getData."+k,function(q,p){if(q.target==o){return m._getData(p)}}).bind("remove",function(){return m.destroy()})};c[l][k].prototype=c.extend({},c.widget.prototype,j);c[l][k].getterSetter="option"};c.widget.prototype={_init:function(){},destroy:function(){this.element.removeData(this.widgetName).removeClass(this.widgetBaseClass+"-disabled "+this.namespace+"-state-disabled").removeAttr("aria-disabled")},option:function(l,m){var k=l,j=this;if(typeof l=="string"){if(m===undefined){return this._getData(l)}k={};k[l]=m}c.each(k,function(n,o){j._setData(n,o)})},_getData:function(j){return this.options[j]},_setData:function(j,k){this.options[j]=k;if(j=="disabled"){this.element[k?"addClass":"removeClass"](this.widgetBaseClass+"-disabled "+this.namespace+"-state-disabled").attr("aria-disabled",k)}},enable:function(){this._setData("disabled",false)},disable:function(){this._setData("disabled",true)},_trigger:function(l,m,n){var p=this.options[l],j=(l==this.widgetEventPrefix?l:this.widgetEventPrefix+l);m=c.Event(m);m.type=j;if(m.originalEvent){for(var k=c.event.props.length,o;k;){o=c.event.props[--k];m[o]=m.originalEvent[o]}}this.element.trigger(m,n);return !(c.isFunction(p)&&p.call(this.element[0],m,n)===false||m.isDefaultPrevented())}};c.widget.defaults={disabled:false};c.ui.mouse={_mouseInit:function(){var j=this;this.element.bind("mousedown."+this.widgetName,function(k){return j._mouseDown(k)}).bind("click."+this.widgetName,function(k){if(j._preventClickEvent){j._preventClickEvent=false;k.stopImmediatePropagation();return false}});if(c.browser.msie){this._mouseUnselectable=this.element.attr("unselectable");this.element.attr("unselectable","on")}this.started=false},_mouseDestroy:function(){this.element.unbind("."+this.widgetName);(c.browser.msie&&this.element.attr("unselectable",this._mouseUnselectable))},_mouseDown:function(l){l.originalEvent=l.originalEvent||{};if(l.originalEvent.mouseHandled){return}(this._mouseStarted&&this._mouseUp(l));this._mouseDownEvent=l;var k=this,m=(l.which==1),j=(typeof this.options.cancel=="string"?c(l.target).parents().add(l.target).filter(this.options.cancel).length:false);if(!m||j||!this._mouseCapture(l)){return true}this.mouseDelayMet=!this.options.delay;if(!this.mouseDelayMet){this._mouseDelayTimer=setTimeout(function(){k.mouseDelayMet=true},this.options.delay)}if(this._mouseDistanceMet(l)&&this._mouseDelayMet(l)){this._mouseStarted=(this._mouseStart(l)!==false);if(!this._mouseStarted){l.preventDefault();return true}}this._mouseMoveDelegate=function(n){return k._mouseMove(n)};this._mouseUpDelegate=function(n){return k._mouseUp(n)};c(document).bind("mousemove."+this.widgetName,this._mouseMoveDelegate).bind("mouseup."+this.widgetName,this._mouseUpDelegate);(c.browser.safari||l.preventDefault());l.originalEvent.mouseHandled=true;return true},_mouseMove:function(j){if(c.browser.msie&&!j.button){return this._mouseUp(j)}if(this._mouseStarted){this._mouseDrag(j);return j.preventDefault()}if(this._mouseDistanceMet(j)&&this._mouseDelayMet(j)){this._mouseStarted=(this._mouseStart(this._mouseDownEvent,j)!==false);(this._mouseStarted?this._mouseDrag(j):this._mouseUp(j))}return !this._mouseStarted},_mouseUp:function(j){c(document).unbind("mousemove."+this.widgetName,this._mouseMoveDelegate).unbind("mouseup."+this.widgetName,this._mouseUpDelegate);if(this._mouseStarted){this._mouseStarted=false;this._preventClickEvent=(j.target==this._mouseDownEvent.target);this._mouseStop(j)}return false},_mouseDistanceMet:function(j){return(Math.max(Math.abs(this._mouseDownEvent.pageX-j.pageX),Math.abs(this._mouseDownEvent.pageY-j.pageY))>=this.options.distance)},_mouseDelayMet:function(j){return this.mouseDelayMet},_mouseStart:function(j){},_mouseDrag:function(j){},_mouseStop:function(j){},_mouseCapture:function(j){return true}};c.ui.mouse.defaults={cancel:null,distance:1,delay:0}})(jQuery);;/*
 * jQuery UI Slider 1.7.2
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Slider
 *
 * Depends:
 *	ui.core.js
 */
(function(a){a.widget("ui.slider",a.extend({},a.ui.mouse,{_init:function(){var b=this,c=this.options;this._keySliding=false;this._handleIndex=null;this._detectOrientation();this._mouseInit();this.element.addClass("ui-slider ui-slider-"+this.orientation+" ui-widget ui-widget-content ui-corner-all");this.range=a([]);if(c.range){if(c.range===true){this.range=a("<div></div>");if(!c.values){c.values=[this._valueMin(),this._valueMin()]}if(c.values.length&&c.values.length!=2){c.values=[c.values[0],c.values[0]]}}else{this.range=a("<div></div>")}this.range.appendTo(this.element).addClass("ui-slider-range");if(c.range=="min"||c.range=="max"){this.range.addClass("ui-slider-range-"+c.range)}this.range.addClass("ui-widget-header")}if(a(".ui-slider-handle",this.element).length==0){a('<a href="#"></a>').appendTo(this.element).addClass("ui-slider-handle")}if(c.values&&c.values.length){while(a(".ui-slider-handle",this.element).length<c.values.length){a('<a href="#"></a>').appendTo(this.element).addClass("ui-slider-handle")}}this.handles=a(".ui-slider-handle",this.element).addClass("ui-state-default ui-corner-all");this.handle=this.handles.eq(0);this.handles.add(this.range).filter("a").click(function(d){d.preventDefault()}).hover(function(){if(!c.disabled){a(this).addClass("ui-state-hover")}},function(){a(this).removeClass("ui-state-hover")}).focus(function(){if(!c.disabled){a(".ui-slider .ui-state-focus").removeClass("ui-state-focus");a(this).addClass("ui-state-focus")}else{a(this).blur()}}).blur(function(){a(this).removeClass("ui-state-focus")});this.handles.each(function(d){a(this).data("index.ui-slider-handle",d)});this.handles.keydown(function(i){var f=true;var e=a(this).data("index.ui-slider-handle");if(b.options.disabled){return}switch(i.keyCode){case a.ui.keyCode.HOME:case a.ui.keyCode.END:case a.ui.keyCode.UP:case a.ui.keyCode.RIGHT:case a.ui.keyCode.DOWN:case a.ui.keyCode.LEFT:f=false;if(!b._keySliding){b._keySliding=true;a(this).addClass("ui-state-active");b._start(i,e)}break}var g,d,h=b._step();if(b.options.values&&b.options.values.length){g=d=b.values(e)}else{g=d=b.value()}switch(i.keyCode){case a.ui.keyCode.HOME:d=b._valueMin();break;case a.ui.keyCode.END:d=b._valueMax();break;case a.ui.keyCode.UP:case a.ui.keyCode.RIGHT:if(g==b._valueMax()){return}d=g+h;break;case a.ui.keyCode.DOWN:case a.ui.keyCode.LEFT:if(g==b._valueMin()){return}d=g-h;break}b._slide(i,e,d);return f}).keyup(function(e){var d=a(this).data("index.ui-slider-handle");if(b._keySliding){b._stop(e,d);b._change(e,d);b._keySliding=false;a(this).removeClass("ui-state-active")}});this._refreshValue()},destroy:function(){this.handles.remove();this.range.remove();this.element.removeClass("ui-slider ui-slider-horizontal ui-slider-vertical ui-slider-disabled ui-widget ui-widget-content ui-corner-all").removeData("slider").unbind(".slider");this._mouseDestroy()},_mouseCapture:function(d){var e=this.options;if(e.disabled){return false}this.elementSize={width:this.element.outerWidth(),height:this.element.outerHeight()};this.elementOffset=this.element.offset();var h={x:d.pageX,y:d.pageY};var j=this._normValueFromMouse(h);var c=this._valueMax()-this._valueMin()+1,f;var k=this,i;this.handles.each(function(l){var m=Math.abs(j-k.values(l));if(c>m){c=m;f=a(this);i=l}});if(e.range==true&&this.values(1)==e.min){f=a(this.handles[++i])}this._start(d,i);k._handleIndex=i;f.addClass("ui-state-active").focus();var g=f.offset();var b=!a(d.target).parents().andSelf().is(".ui-slider-handle");this._clickOffset=b?{left:0,top:0}:{left:d.pageX-g.left-(f.width()/2),top:d.pageY-g.top-(f.height()/2)-(parseInt(f.css("borderTopWidth"),10)||0)-(parseInt(f.css("borderBottomWidth"),10)||0)+(parseInt(f.css("marginTop"),10)||0)};j=this._normValueFromMouse(h);this._slide(d,i,j);return true},_mouseStart:function(b){return true},_mouseDrag:function(d){var b={x:d.pageX,y:d.pageY};var c=this._normValueFromMouse(b);this._slide(d,this._handleIndex,c);return false},_mouseStop:function(b){this.handles.removeClass("ui-state-active");this._stop(b,this._handleIndex);this._change(b,this._handleIndex);this._handleIndex=null;this._clickOffset=null;return false},_detectOrientation:function(){this.orientation=this.options.orientation=="vertical"?"vertical":"horizontal"},_normValueFromMouse:function(d){var c,h;if("horizontal"==this.orientation){c=this.elementSize.width;h=d.x-this.elementOffset.left-(this._clickOffset?this._clickOffset.left:0)}else{c=this.elementSize.height;h=d.y-this.elementOffset.top-(this._clickOffset?this._clickOffset.top:0)}var f=(h/c);if(f>1){f=1}if(f<0){f=0}if("vertical"==this.orientation){f=1-f}var e=this._valueMax()-this._valueMin(),i=f*e,b=i%this.options.step,g=this._valueMin()+i-b;if(b>(this.options.step/2)){g+=this.options.step}return parseFloat(g.toFixed(5))},_start:function(d,c){var b={handle:this.handles[c],value:this.value()};if(this.options.values&&this.options.values.length){b.value=this.values(c);b.values=this.values()}this._trigger("start",d,b)},_slide:function(f,e,d){var g=this.handles[e];if(this.options.values&&this.options.values.length){var b=this.values(e?0:1);if((this.options.values.length==2&&this.options.range===true)&&((e==0&&d>b)||(e==1&&d<b))){d=b}if(d!=this.values(e)){var c=this.values();c[e]=d;var h=this._trigger("slide",f,{handle:this.handles[e],value:d,values:c});var b=this.values(e?0:1);if(h!==false){this.values(e,d,(f.type=="mousedown"&&this.options.animate),true)}}}else{if(d!=this.value()){var h=this._trigger("slide",f,{handle:this.handles[e],value:d});if(h!==false){this._setData("value",d,(f.type=="mousedown"&&this.options.animate))}}}},_stop:function(d,c){var b={handle:this.handles[c],value:this.value()};if(this.options.values&&this.options.values.length){b.value=this.values(c);b.values=this.values()}this._trigger("stop",d,b)},_change:function(d,c){var b={handle:this.handles[c],value:this.value()};if(this.options.values&&this.options.values.length){b.value=this.values(c);b.values=this.values()}this._trigger("change",d,b)},value:function(b){if(arguments.length){this._setData("value",b);this._change(null,0)}return this._value()},values:function(b,e,c,d){if(arguments.length>1){this.options.values[b]=e;this._refreshValue(c);if(!d){this._change(null,b)}}if(arguments.length){if(this.options.values&&this.options.values.length){return this._values(b)}else{return this.value()}}else{return this._values()}},_setData:function(b,d,c){a.widget.prototype._setData.apply(this,arguments);switch(b){case"disabled":if(d){this.handles.filter(".ui-state-focus").blur();this.handles.removeClass("ui-state-hover");this.handles.attr("disabled","disabled")}else{this.handles.removeAttr("disabled")}case"orientation":this._detectOrientation();this.element.removeClass("ui-slider-horizontal ui-slider-vertical").addClass("ui-slider-"+this.orientation);this._refreshValue(c);break;case"value":this._refreshValue(c);break}},_step:function(){var b=this.options.step;return b},_value:function(){var b=this.options.value;if(b<this._valueMin()){b=this._valueMin()}if(b>this._valueMax()){b=this._valueMax()}return b},_values:function(b){if(arguments.length){var c=this.options.values[b];if(c<this._valueMin()){c=this._valueMin()}if(c>this._valueMax()){c=this._valueMax()}return c}else{return this.options.values}},_valueMin:function(){var b=this.options.min;return b},_valueMax:function(){var b=this.options.max;return b},_refreshValue:function(c){var f=this.options.range,d=this.options,l=this;if(this.options.values&&this.options.values.length){var i,h;this.handles.each(function(p,n){var o=(l.values(p)-l._valueMin())/(l._valueMax()-l._valueMin())*100;var m={};m[l.orientation=="horizontal"?"left":"bottom"]=o+"%";a(this).stop(1,1)[c?"animate":"css"](m,d.animate);if(l.options.range===true){if(l.orientation=="horizontal"){(p==0)&&l.range.stop(1,1)[c?"animate":"css"]({left:o+"%"},d.animate);(p==1)&&l.range[c?"animate":"css"]({width:(o-lastValPercent)+"%"},{queue:false,duration:d.animate})}else{(p==0)&&l.range.stop(1,1)[c?"animate":"css"]({bottom:(o)+"%"},d.animate);(p==1)&&l.range[c?"animate":"css"]({height:(o-lastValPercent)+"%"},{queue:false,duration:d.animate})}}lastValPercent=o})}else{var j=this.value(),g=this._valueMin(),k=this._valueMax(),e=k!=g?(j-g)/(k-g)*100:0;var b={};b[l.orientation=="horizontal"?"left":"bottom"]=e+"%";this.handle.stop(1,1)[c?"animate":"css"](b,d.animate);(f=="min")&&(this.orientation=="horizontal")&&this.range.stop(1,1)[c?"animate":"css"]({width:e+"%"},d.animate);(f=="max")&&(this.orientation=="horizontal")&&this.range[c?"animate":"css"]({width:(100-e)+"%"},{queue:false,duration:d.animate});(f=="min")&&(this.orientation=="vertical")&&this.range.stop(1,1)[c?"animate":"css"]({height:e+"%"},d.animate);(f=="max")&&(this.orientation=="vertical")&&this.range[c?"animate":"css"]({height:(100-e)+"%"},{queue:false,duration:d.animate})}}}));a.extend(a.ui.slider,{getter:"value values",version:"1.7.2",eventPrefix:"slide",defaults:{animate:false,delay:0,distance:0,max:100,min:0,orientation:"horizontal",range:false,step:1,value:0,values:null}})})(jQuery);;
/*
 * jQuery UI Tabs
 *
 * Copyright (c) 2007, 2008 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Tabs
 *
 * Depends:
 *	ui.core.js
 */
(function($) {


$.widget("ui.tabs", {
	init: function() {
		this.options.event += '.tabs'; // namespace event
		
		// create tabs
		this.tabify(true);
	},
	setData: function(key, value) {
		if ((/^selected/).test(key))
			this.select(value);
		else {
			this.options[key] = value;
			this.tabify();
		}
	},
	length: function() {
		return this.$tabs.length;
	},
	tabId: function(a) {
		return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '')
			|| this.options.idPrefix + $.data(a);
	},
	ui: function(tab, panel) {
		return {
			options: this.options,
			tab: tab,
			panel: panel
		};
	},
	tabify: function(init) {

		this.$lis = $('li:has(a[href])', this.element);
		this.$tabs = this.$lis.map(function() { return $('a', this)[0]; });
		this.$panels = $([]);

		var self = this, o = this.options;

		this.$tabs.each(function(i, a) {
			// inline tab
			if (a.hash && a.hash.replace('#', '')) // Safari 2 reports '#' for an empty hash
				self.$panels = self.$panels.add(a.hash);
			// remote tab
			else if ($(a).attr('href') != '#') { // prevent loading the page itself if href is just "#"
				$.data(a, 'href.tabs', a.href); // required for restore on destroy
				$.data(a, 'load.tabs', a.href); // mutable
				var id = self.tabId(a);
				a.href = '#' + id;
				var $panel = $('#' + id);
				if (!$panel.length) {
					$panel = $(o.panelTemplate).attr('id', id).addClass(o.panelClass)
						.insertAfter( self.$panels[i - 1] || self.element );
					$panel.data('destroy.tabs', true);
				}
				self.$panels = self.$panels.add( $panel );
			}
			// invalid tab href
			else
				o.disabled.push(i + 1);
		});

		if (init) {

			// attach necessary classes for styling if not present
			this.element.addClass(o.navClass);
			this.$panels.each(function() {
				var $this = $(this);
				$this.addClass(o.panelClass);
			});

			// Selected tab
			// use "selected" option or try to retrieve:
			// 1. from fragment identifier in url
			// 2. from cookie
			// 3. from selected class attribute on <li>
			if (o.selected === undefined) {
				if (location.hash) {
					this.$tabs.each(function(i, a) {
						if (a.hash == location.hash) {
							o.selected = i;
							// prevent page scroll to fragment
							if ($.browser.msie || $.browser.opera) { // && !o.remote
								var $toShow = $(location.hash), toShowId = $toShow.attr('id');
								$toShow.attr('id', '');
								setTimeout(function() {
									$toShow.attr('id', toShowId); // restore id
								}, 500);
							}
							scrollTo(0, 0);
							return false; // break
						}
					});
				}
				else if (o.cookie) {
					var index = parseInt($.cookie('ui-tabs' + $.data(self.element)),10);
					if (index && self.$tabs[index])
						o.selected = index;
				}
				else if (self.$lis.filter('.' + o.selectedClass).length)
					o.selected = self.$lis.index( self.$lis.filter('.' + o.selectedClass)[0] );
			}
			o.selected = o.selected === null || o.selected !== undefined ? o.selected : 0; // first tab selected by default

			// Take disabling tabs via class attribute from HTML
			// into account and update option properly.
			// A selected tab cannot become disabled.
			o.disabled = $.unique(o.disabled.concat(
				$.map(this.$lis.filter('.' + o.disabledClass),
					function(n, i) { return self.$lis.index(n); } )
			)).sort();
			if ($.inArray(o.selected, o.disabled) != -1)
				o.disabled.splice($.inArray(o.selected, o.disabled), 1);
			
			// highlight selected tab
			this.$panels.addClass(o.hideClass);
			this.$lis.removeClass(o.selectedClass);
			if (o.selected !== null) {
				this.$panels.eq(o.selected).show().removeClass(o.hideClass); // use show and remove class to show in any case no matter how it has been hidden before
				this.$lis.eq(o.selected).addClass(o.selectedClass);
				
				// seems to be expected behavior that the show callback is fired
				var onShow = function() {
					$(self.element).triggerHandler('tabsshow',
						[null, self.ui(self.$tabs[o.selected], self.$panels[o.selected])], o.show);
				}; 

				// load if remote tab
				if ($.data(this.$tabs[o.selected], 'load.tabs'))
					this.load(o.selected, onShow);
				// just trigger show event
				else
					onShow();
				
			}
			
			// clean up to avoid memory leaks in certain versions of IE 6
			$(window).bind('unload', function() {
				self.$tabs.unbind('.tabs');
				self.$lis = self.$tabs = self.$panels = null;
			});

		}

		// disable tabs
		for (var i = 0, li; li = this.$lis[i]; i++)
			$(li)[$.inArray(i, o.disabled) != -1 && !$(li).hasClass(o.selectedClass) ? 'addClass' : 'removeClass'](o.disabledClass);

		// reset cache if switching from cached to not cached
		if (o.cache === false)
			this.$tabs.removeData('cache.tabs');
		
		// set up animations
		var hideFx, showFx, baseFx = { 'min-width': 0, duration: 1 }, baseDuration = 'normal';
		if (o.fx && o.fx.constructor == Array)
			hideFx = o.fx[0] || baseFx, showFx = o.fx[1] || baseFx;
		else
			hideFx = showFx = o.fx || baseFx;

		// reset some styles to maintain print style sheets etc.
		var resetCSS = { display: '', overflow: '', height: '' };
		if (!$.browser.msie) // not in IE to prevent ClearType font issue
			resetCSS.opacity = '';

		// Hide a tab, animation prevents browser scrolling to fragment,
		// $show is optional.
		function hideTab(clicked, $hide, $show) {
			$hide.animate(hideFx, hideFx.duration || baseDuration, function() { //
				$hide.addClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
				if ($.browser.msie && hideFx.opacity)
					$hide[0].style.filter = '';
				if ($show)
					showTab(clicked, $show, $hide);
			});
		}

		// Show a tab, animation prevents browser scrolling to fragment,
		// $hide is optional.
		function showTab(clicked, $show, $hide) {
			if (showFx === baseFx)
				$show.css('display', 'block'); // prevent occasionally occuring flicker in Firefox cause by gap between showing and hiding the tab panels
			$show.animate(showFx, showFx.duration || baseDuration, function() {
				$show.removeClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
				if ($.browser.msie && showFx.opacity)
					$show[0].style.filter = '';

				// callback
				$(self.element).triggerHandler('tabsshow',
					[null, self.ui(clicked, $show[0])], o.show);

			});
		}

		// switch a tab
		function switchTab(clicked, $li, $hide, $show) {
			/*if (o.bookmarkable && trueClick) { // add to history only if true click occured, not a triggered click
				$.ajaxHistory.update(clicked.hash);
			}*/
			$li.addClass(o.selectedClass)
				.siblings().removeClass(o.selectedClass);
			hideTab(clicked, $hide, $show);
		}

		// attach tab event handler, unbind to avoid duplicates from former tabifying...
		this.$tabs.unbind('.tabs').bind(o.event, function() {

			//var trueClick = e.clientX; // add to history only if true click occured, not a triggered click
			var $li = $(this).parents('li:eq(0)'),
				$hide = self.$panels.filter(':visible'),
				$show = $(this.hash);

			// If tab is already selected and not unselectable or tab disabled or 
			// or is already loading or click callback returns false stop here.
			// Check if click handler returns false last so that it is not executed
			// for a disabled or loading tab!
			if (($li.hasClass(o.selectedClass) && !o.unselect)
				|| $li.hasClass(o.disabledClass) 
				|| $(this).hasClass(o.loadingClass)
				|| $(self.element).triggerHandler('tabsselect', [null, self.ui(this, $show[0])], o.select) === false
				) {
				this.blur();
				return false;
			}

			self.options.selected = self.$tabs.index(this);

			// if tab may be closed
			if (o.unselect) {
				if ($li.hasClass(o.selectedClass)) {
					self.options.selected = null;
					$li.removeClass(o.selectedClass);
					self.$panels.stop();
					hideTab(this, $hide);
					this.blur();
					return false;
				} else if (!$hide.length) {
					self.$panels.stop();
					var a = this;
					self.load(self.$tabs.index(this), function() {
						$li.addClass(o.selectedClass).addClass(o.unselectClass);
						showTab(a, $show);
					});
					this.blur();
					return false;
				}
			}

			if (o.cookie)
				$.cookie('ui-tabs' + $.data(self.element), self.options.selected, o.cookie);

			// stop possibly running animations
			self.$panels.stop();

			// show new tab
			if ($show.length) {

				// prevent scrollbar scrolling to 0 and than back in IE7, happens only if bookmarking/history is enabled
				/*if ($.browser.msie && o.bookmarkable) {
					var showId = this.hash.replace('#', '');
					$show.attr('id', '');
					setTimeout(function() {
						$show.attr('id', showId); // restore id
					}, 0);
				}*/

				var a = this;
				self.load(self.$tabs.index(this), $hide.length ? 
					function() {
						switchTab(a, $li, $hide, $show);
					} :
					function() {
						$li.addClass(o.selectedClass);
						showTab(a, $show);
					}
				);

				// Set scrollbar to saved position - need to use timeout with 0 to prevent browser scroll to target of hash
				/*var scrollX = window.pageXOffset || document.documentElement && document.documentElement.scrollLeft || document.body.scrollLeft || 0;
				var scrollY = window.pageYOffset || document.documentElement && document.documentElement.scrollTop || document.body.scrollTop || 0;
				setTimeout(function() {
					scrollTo(scrollX, scrollY);
				}, 0);*/

			} else
				throw 'jQuery UI Tabs: Mismatching fragment identifier.';

			// Prevent IE from keeping other link focussed when using the back button
			// and remove dotted border from clicked link. This is controlled in modern
			// browsers via CSS, also blur removes focus from address bar in Firefox
			// which can become a usability and annoying problem with tabsRotate.
			if ($.browser.msie)
				this.blur();

			//return o.bookmarkable && !!trueClick; // convert trueClick == undefined to Boolean required in IE
			return true;

		});

		// disable click if event is configured to something else
		if (!(/^click/).test(o.event))
			this.$tabs.bind('click.tabs', function() { return false; });

	},
	add: function(url, label, index) {
		if (index == undefined) 
			index = this.$tabs.length; // append by default

		var o = this.options;
		var $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label));
		$li.data('destroy.tabs', true);

		var id = url.indexOf('#') == 0 ? url.replace('#', '') : this.tabId( $('a:first-child', $li)[0] );

		// try to find an existing element before creating a new one
		var $panel = $('#' + id);
		if (!$panel.length) {
			$panel = $(o.panelTemplate).attr('id', id)
				.addClass(o.hideClass)
				.data('destroy.tabs', true);
		}
		$panel.addClass(o.panelClass);
		if (index >= this.$lis.length) {
			$li.appendTo(this.element);
			$panel.appendTo(this.element[0].parentNode);
		} else {
			$li.insertBefore(this.$lis[index]);
			$panel.insertBefore(this.$panels[index]);
		}
		
		o.disabled = $.map(o.disabled,
			function(n, i) { return n >= index ? ++n : n });
			
		this.tabify();

		if (this.$tabs.length == 1) {
			$li.addClass(o.selectedClass);
			$panel.removeClass(o.hideClass);
			var href = $.data(this.$tabs[0], 'load.tabs');
			if (href)
				this.load(index, href);
		}

		// callback
		this.element.triggerHandler('tabsadd',
			[null, this.ui(this.$tabs[index], this.$panels[index])], o.add
		);
	},
	remove: function(index) {
		var o = this.options, $li = this.$lis.eq(index).remove(),
			$panel = this.$panels.eq(index).remove();

		// If selected tab was removed focus tab to the right or
		// in case the last tab was removed the tab to the left.
		if ($li.hasClass(o.selectedClass) && this.$tabs.length > 1)
			this.select(index + (index + 1 < this.$tabs.length ? 1 : -1));

		o.disabled = $.map($.grep(o.disabled, function(n, i) { return n != index; }),
			function(n, i) { return n >= index ? --n : n });

		this.tabify();

		// callback
		this.element.triggerHandler('tabsremove',
			[null, this.ui($li.find('a')[0], $panel[0])], o.remove
		);
	},
	enable: function(index) {
		var o = this.options;
		if ($.inArray(index, o.disabled) == -1)
			return;
			
		var $li = this.$lis.eq(index).removeClass(o.disabledClass);
		if ($.browser.safari) { // fix disappearing tab (that used opacity indicating disabling) after enabling in Safari 2...
			$li.css('display', 'inline-block');
			setTimeout(function() {
				$li.css('display', 'block');
			}, 0);
		}

		o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });

		// callback
		this.element.triggerHandler('tabsenable',
			[null, this.ui(this.$tabs[index], this.$panels[index])], o.enable
		);

	},
	disable: function(index) {
		var self = this, o = this.options;
		if (index != o.selected) { // cannot disable already selected tab
			this.$lis.eq(index).addClass(o.disabledClass);

			o.disabled.push(index);
			o.disabled.sort();

			// callback
			this.element.triggerHandler('tabsdisable',
				[null, this.ui(this.$tabs[index], this.$panels[index])], o.disable
			);
		}
	},
	select: function(index) {
		if (typeof index == 'string')
			index = this.$tabs.index( this.$tabs.filter('[href$=' + index + ']')[0] );
		this.$tabs.eq(index).trigger(this.options.event);
	},
	load: function(index, callback) { // callback is for internal usage only
		
		var self = this, o = this.options, $a = this.$tabs.eq(index), a = $a[0],
				bypassCache = callback == undefined || callback === false, url = $a.data('load.tabs');

		callback = callback || function() {};
		
		// no remote or from cache - just finish with callback
		if (!url || !bypassCache && $.data(a, 'cache.tabs')) {
			callback();
			return;
		}

		// load remote from here on
		
		var inner = function(parent) {
			var $parent = $(parent), $inner = $parent.find('*:last');
			return $inner.length && $inner || $parent;
		};
		var cleanup = function() {
			self.$tabs.filter('.' + o.loadingClass).removeClass(o.loadingClass)
						.each(function() {
							if (o.spinner)
								inner(this).parent().html(inner(this).data('label.tabs'));
						});
			self.xhr = null;
		};
		
		if (o.spinner) {
			var label = inner(a).html();
			inner(a).wrapInner('<em></em>')
				.find('em').data('label.tabs', label).html(o.spinner);
		}

		var ajaxOptions = $.extend({}, o.ajaxOptions, {
			url: url,
			success: function(r, s) {
				$(a.hash).html(r);
				cleanup();
				
				if (o.cache)
					$.data(a, 'cache.tabs', true); // if loaded once do not load them again

				// callbacks
				$(self.element).triggerHandler('tabsload',
					[null, self.ui(self.$tabs[index], self.$panels[index])], o.load
				);
				o.ajaxOptions.success && o.ajaxOptions.success(r, s);
				
				// This callback is required because the switch has to take
				// place after loading has completed. Call last in order to 
				// fire load before show callback...
				callback();
			}
		});
		if (this.xhr) {
			// terminate pending requests from other tabs and restore tab label
			this.xhr.abort();
			cleanup();
		}
		$a.addClass(o.loadingClass);
		setTimeout(function() { // timeout is again required in IE, "wait" for id being restored
			self.xhr = $.ajax(ajaxOptions);
		}, 0);

	},
	url: function(index, url) {
		this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
	},
	destroy: function() {
		var o = this.options;
		this.element.unbind('.tabs')
			.removeClass(o.navClass).removeData('tabs');
		this.$tabs.each(function() {
			var href = $.data(this, 'href.tabs');
			if (href)
				this.href = href;
			var $this = $(this).unbind('.tabs');
			$.each(['href', 'load', 'cache'], function(i, prefix) {
				$this.removeData(prefix + '.tabs');
			});
		});
		this.$lis.add(this.$panels).each(function() {
			if ($.data(this, 'destroy.tabs'))
				$(this).remove();
			else
				$(this).removeClass([o.selectedClass, o.unselectClass,
					o.disabledClass, o.panelClass, o.hideClass].join(' '));
		});
	}
});

$.ui.tabs.defaults = {
	// basic setup
	unselect: false,
	event: 'click',
	disabled: [],
	cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
	// TODO history: false,

	// Ajax
	spinner: 'Loading&#8230;',
	cache: false,
	idPrefix: 'ui-tabs-',
	ajaxOptions: {},

	// animations
	fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }

	// templates
	tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>',
	panelTemplate: '<div></div>',

	// CSS classes
	navClass: 'ui-tabs',
	selectedClass: 'selected',
	unselectClass: 'unselect',
	disabledClass: 'disabled',
	panelClass: 'ui-tabs-panel',
	hideClass: 'hidden',
	loadingClass: 'ui-tabs-loading'
};

$.ui.tabs.getter = "length";

/*
 * Tabs Extensions
 */

/*
 * Rotate
 */
$.extend($.ui.tabs.prototype, {
	rotation: null,
	rotate: function(ms, continuing) {
		
		continuing = continuing || false;
		
		var self = this, t = this.options.selected;
		
		function start() {
			self.rotation = setInterval(function() {
				t = ++t < self.$tabs.length ? t : 0;
				self.select(t);
			}, ms); 
		}
		
		function stop(e) {
			if (!e || e.clientX) { // only in case of a true click
				clearInterval(self.rotation);
			}
		}
		
		// start interval
		if (ms) {
			start();
			if (!continuing)
				this.$tabs.bind(this.options.event, stop);
			else
				this.$tabs.bind(this.options.event, function() {
					stop();
					t = self.options.selected;
					start();
				});
		}
		// stop interval
		else {
			stop();
			this.$tabs.unbind(this.options.event, stop);
		}
	}
});

})(jQuery);

