/*
 * jQuery UI @VERSION
 *
 * Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 *
 * $Date: 2008-05-04 16:52:15 +0200 (So, 04 Mai 2008) $
 * $Rev: 5419 $
 */
;(function($) {
	
	$.ui = $.ui || {};
	
	// Add methods that are vital for all mouse interaction stuff
	// (plugin registering)
	$.extend($.ui, {
		plugin: {
			add: function(module, option, set) {
				var proto = $.ui[module].prototype;
				for(var i in set) {
					proto.plugins[i] = proto.plugins[i] || [];
					proto.plugins[i].push([option, set[i]]);
				}
			},
			call: function(instance, name, args) {
				var set = instance.plugins[name];
				if(!set) { return; }
				
				for (var i = 0; i < set.length; i++) {
					if (instance.options[set[i][0]]) {
						set[i][1].apply(instance.element, args);
					}
				}
			}	
		},
		cssCache: {},
		css: function(name) {
			if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
			var tmp = $('<div class="ui-resizable-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
			
			//if (!$.browser.safari)
				//tmp.appendTo('body'); 
			
			//Opera and Safari set width and height to 0px instead of auto
			//Safari returns rgba(0,0,0,0) when bgcolor is not set
			$.ui.cssCache[name] = !!(
				(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || 
				!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
			);
			try { $('body').get(0).removeChild(tmp.get(0));	} catch(e){}
			return $.ui.cssCache[name];
		},
		disableSelection: function(e) {
			e.unselectable = "on";
			e.onselectstart = function() { return false; };
			if (e.style) { e.style.MozUserSelect = "none"; }
		},
		enableSelection: function(e) {
			e.unselectable = "off";
			e.onselectstart = function() { return true; };
			if (e.style) { e.style.MozUserSelect = ""; }
		},
		hasScroll: function(e, a) {
			var scroll = /top/.test(a||"top") ? 'scrollTop' : 'scrollLeft', has = false;
			if (e[scroll] > 0) return true; e[scroll] = 1;
			has = e[scroll] > 0 ? true : false; e[scroll] = 0;
			return has;
		}
	});
	
	
	/** jQuery core modifications and additions **/
	
	var _remove = $.fn.remove;
	$.fn.remove = function() {
		$("*", this).add(this).trigger("remove");
		return _remove.apply(this, arguments );
	};
	
	// $.widget is a factory to create jQuery plugins
	// taking some boilerplate code out of the plugin code
	// created by Scott González and Jörn Zaefferer
	function getter(namespace, plugin, method) {
		var methods = $[namespace][plugin].getter || [];
		methods = (typeof methods == "string" ? methods.split(/,?\s+/) : methods);
		return ($.inArray(method, methods) != -1);
	};
	
	var widgetPrototype = {
		init: function() {},
		destroy: function() {},
		
		getData: function(e, key) {
			return this.options[key];
		},
		setData: function(e, key, value) {
			this.options[key] = value;
		},
		
		enable: function() {
			this.setData(null, 'disabled', false);
		},
		disable: function() {
			this.setData(null, 'disabled', true);
		}
	};
	
	$.widget = function(name, prototype) {
		var namespace = name.split(".")[0];
		name = name.split(".")[1];
		// create plugin method
		$.fn[name] = function(options, data) {
			var isMethodCall = (typeof options == 'string'),
				args = arguments;
			
			if (isMethodCall && getter(namespace, name, options)) {
				var instance = $.data(this[0], name);
				return (instance ? instance[options](data) : undefined); 
			}
			
			return this.each(function() {
				var instance = $.data(this, name);
				if (!instance) {
					$.data(this, name, new $[namespace][name](this, options));
				} else if (isMethodCall) {
					instance[options].apply(instance, $.makeArray(args).slice(1));
				}
			});
		};
		
		// create widget constructor
		$[namespace][name] = function(element, options) {
			var self = this;
			
			this.options = $.extend({}, $[namespace][name].defaults, options);
			this.element = $(element)
				.bind('setData.' + name, function(e, key, value) {
					return self.setData(e, key, value);
				})
				.bind('getData.' + name, function(e, key) {
					return self.getData(e, key);
				})
				.bind('remove', function() {
					return self.destroy();
				});
			this.init();
		};
		
		// add widget prototype
		$[namespace][name].prototype = $.extend({}, widgetPrototype, prototype);
	};
	
	
	/** Mouse Interaction Plugin **/
	
	$.widget("ui.mouse", {
		init: function() {
			var self = this;
			
			this.element
				.bind('mousedown.mouse', function() { return self.click.apply(self, arguments); })
				.bind('mouseup.mouse', function() { (self.timer && clearInterval(self.timer)); })
				.bind('click.mouse', function() { if(self.initialized) { self.initialized = false; return false; } });
			//Prevent text selection in IE
			if ($.browser.msie) {
				this.unselectable = this.element.attr('unselectable');
				this.element.attr('unselectable', 'on');
			}
		},
		destroy: function() {
			this.element.unbind('.mouse').removeData("mouse");
			($.browser.msie && this.element.attr('unselectable', this.unselectable));
		},
		trigger: function() { return this.click.apply(this, arguments); },
		click: function(e) {
		
			if(    e.which != 1 //only left click starts dragging
				|| $.inArray(e.target.nodeName.toLowerCase(), this.options.dragPrevention || []) != -1 // Prevent execution on defined elements
				|| (this.options.condition && !this.options.condition.apply(this.options.executor || this, [e, this.element])) //Prevent execution on condition
			) { return true; }
		
			var self = this;
			this.initialized = false;
			var initialize = function() {
				self._MP = { left: e.pageX, top: e.pageY }; // Store the click mouse position
				$(document).bind('mouseup.mouse', function() { return self.stop.apply(self, arguments); });
				$(document).bind('mousemove.mouse', function() { return self.drag.apply(self, arguments); });
		
				if(!self.initalized && Math.abs(self._MP.left-e.pageX) >= self.options.distance || Math.abs(self._MP.top-e.pageY) >= self.options.distance) {
					(self.options.start && self.options.start.call(self.options.executor || self, e, self.element));
					(self.options.drag && self.options.drag.call(self.options.executor || self, e, this.element)); //This is actually not correct, but expected
					self.initialized = true;
				}
			};

			if(this.options.delay) {
				if(this.timer) { clearInterval(this.timer); }
				this.timer = setTimeout(initialize, this.options.delay);
			} else {
				initialize();
			}
				
			return false;
			
		},
		stop: function(e) {
			
			if(!this.initialized) {
				return $(document).unbind('mouseup.mouse').unbind('mousemove.mouse');
			}

			(this.options.stop && this.options.stop.call(this.options.executor || this, e, this.element));
			
			$(document).unbind('mouseup.mouse').unbind('mousemove.mouse');
			return false;
			
		},
		drag: function(e) {

			var o = this.options;
			if ($.browser.msie && !e.button) {
				return this.stop.call(this, e); // IE mouseup check
			}
			
			if(!this.initialized && (Math.abs(this._MP.left-e.pageX) >= o.distance || Math.abs(this._MP.top-e.pageY) >= o.distance)) {
				(o.start && o.start.call(o.executor || this, e, this.element));
				this.initialized = true;
			} else {
				if(!this.initialized) { return false; }
			}

			(o.drag && o.drag.call(this.options.executor || this, e, this.element));
			return false;
			
		}
	});
	
})(jQuery);
/*
 * jQuery UI Accordion
 * 
 * Copyright (c) 2007, 2008 Jörn Zaefferer
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Accordion
 *
 * Depends:
 *	ui.core.js
 *
 * Revision: $Id: ui.accordion.js 5433 2008-05-04 20:07:17Z joern.zaefferer $
 */

;(function($) {

	$.widget("ui.accordion", {
		init: function() {
			var options = this.options;
			
			if ( options.navigation ) {
				var current = this.element.find("a").filter(options.navigationFilter);
				if ( current.length ) {
					if ( current.filter(options.header).length ) {
						options.active = current;
					} else {
						options.active = current.parent().parent().prev();
						current.addClass("current");
					}
				}
			}
			
			// calculate active if not specified, using the first header
			options.headers = this.element.find(options.header);
			options.active = findActive(options.headers, options.active);
			
			if (!this.element.hasClass("ui-accordion")) {
				this.element.addClass("ui-accordion");
				$("<span class='ui-accordion-left'/>").insertBefore(options.headers);
				$("<span class='ui-accordion-right'/>").appendTo(options.headers);
				options.headers.addClass("ui-accordion-header").attr("tabindex", "0");
			}
			
			var maxHeight;
			if ( options.fillSpace ) {
				maxHeight = this.element.parent().height();
				options.headers.each(function() {
					maxHeight -= $(this).outerHeight();
				});
				var maxPadding = 0;
				options.headers.next().each(function() {
					maxPadding = Math.max(maxPadding, $(this).innerHeight() - $(this).height());
				}).height(maxHeight - maxPadding);
			} else if ( options.autoHeight ) {
				maxHeight = 0;
				options.headers.next().each(function() {
					maxHeight = Math.max(maxHeight, $(this).outerHeight());
				}).height(maxHeight);
			}
		
			options.headers
				.not(options.active || "")
				.next()
				.hide();
			options.active.parent().andSelf().addClass(options.selectedClass);
			
			if (options.event) {
				this.element.bind((options.event) + ".accordion", clickHandler);
			}
		},
		activate: function(index) {
			// call clickHandler with custom event
			clickHandler.call(this.element[0], {
				target: findActive( this.options.headers, index )[0]
			});
		},
		destroy: function() {
			this.options.headers.next().css("display", "");
			if ( this.options.fillSpace || this.options.autoHeight ) {
				this.options.headers.next().css("height", "");
			}
			$.removeData(this.element[0], "accordion");
			this.element.removeClass("ui-accordion").unbind(".accordion");
		}
	});
	
	function scopeCallback(callback, scope) {
		return function() {
			return callback.apply(scope, arguments);
		};
	};
	
	function completed(cancel) {
		// if removed while animated data can be empty
		if (!$.data(this, "accordion")) {
			return;
		}
		
		var instance = $.data(this, "accordion");
		var options = instance.options;
		options.running = cancel ? 0 : --options.running;
		if ( options.running ) {
			return;
		}
		if ( options.clearStyle ) {
			options.toShow.add(options.toHide).css({
				height: "",
				overflow: ""
			});
		}
		$(this).triggerHandler("accordionchange", [options.data], options.change);
	}
	
	function toggle(toShow, toHide, data, clickedActive, down) {
		var options = $.data(this, "accordion").options;
		options.toShow = toShow;
		options.toHide = toHide;
		options.data = data;
		var complete = scopeCallback(completed, this);
		
		// count elements to animate
		options.running = toHide.size() === 0 ? toShow.size() : toHide.size();
		
		if ( options.animated ) {
			if ( !options.alwaysOpen && clickedActive ) {
				$.ui.accordion.animations[options.animated]({
					toShow: jQuery([]),
					toHide: toHide,
					complete: complete,
					down: down,
					autoHeight: options.autoHeight
				});
			} else {
				$.ui.accordion.animations[options.animated]({
					toShow: toShow,
					toHide: toHide,
					complete: complete,
					down: down,
					autoHeight: options.autoHeight
				});
			}
		} else {
			if ( !options.alwaysOpen && clickedActive ) {
				toShow.toggle();
			} else {
				toHide.hide();
				toShow.show();
			}
			complete(true);
		}
	}
	
	function clickHandler(event) {
		var options = $.data(this, "accordion").options;
		if (options.disabled) {
			return false;
		}
		
		// called only when using activate(false) to close all parts programmatically
		if ( !event.target && !options.alwaysOpen ) {
			options.active.parent().andSelf().toggleClass(options.selectedClass);
			var toHide = options.active.next(),
				data = {
					instance: this,
					options: options,
					newHeader: jQuery([]),
					oldHeader: options.active,
					newContent: jQuery([]),
					oldContent: toHide
				},
				toShow = (options.active = $([]));
			toggle.call(this, toShow, toHide, data );
			return false;
		}
		// get the click target
		var clicked = $(event.target);
		
		// due to the event delegation model, we have to check if one
		// of the parent elements is our actual header, and find that
		if ( clicked.parents(options.header).length ) {
			while ( !clicked.is(options.header) ) {
				clicked = clicked.parent();
			}
		}
		
		var clickedActive = clicked[0] == options.active[0];
		
		// if animations are still active, or the active header is the target, ignore click
		if (options.running || (options.alwaysOpen && clickedActive)) {
			return false;
		}
		if (!clicked.is(options.header)) {
			return;
		}
		
		// switch classes
		options.active.parent().andSelf().toggleClass(options.selectedClass);
		if ( !clickedActive ) {
			clicked.parent().andSelf().addClass(options.selectedClass);
		}
		
		// find elements to show and hide
		var toShow = clicked.next(),
			toHide = options.active.next(),
			//data = [clicked, options.active, toShow, toHide],
			data = {
				instance: this,
				options: options,
				newHeader: clicked,
				oldHeader: options.active,
				newContent: toShow,
				oldContent: toHide
			},
			down = options.headers.index( options.active[0] ) > options.headers.index( clicked[0] );
		
		options.active = clickedActive ? $([]) : clicked;
		toggle.call(this, toShow, toHide, data, clickedActive, down );
	
		return false;
	};
	
	function findActive(headers, selector) {
		return selector != undefined
			? typeof selector == "number"
				? headers.filter(":eq(" + selector + ")")
				: headers.not(headers.not(selector))
			: selector === false
				? $([])
				: headers.filter(":eq(0)");
	}
	
	$.extend($.ui.accordion, {
		defaults: {
			selectedClass: "selected",
			alwaysOpen: true,
			animated: 'slide',
			event: "click",
			header: "a",
			autoHeight: true,
			running: 0,
			navigationFilter: function() {
				return this.href.toLowerCase() == location.href.toLowerCase();
			}
		},
		animations: {
			slide: function(options, additions) {
				options = $.extend({
					easing: "swing",
					duration: 300
				}, options, additions);
				if ( !options.toHide.size() ) {
					options.toShow.animate({height: "show"}, options);
					return;
				}
				var hideHeight = options.toHide.height(),
					showHeight = options.toShow.height(),
					difference = showHeight / hideHeight;
				options.toShow.css({ height: 0, overflow: 'hidden' }).show();
				options.toHide.filter(":hidden").each(options.complete).end().filter(":visible").animate({height:"hide"},{
					step: function(now) {
						var current = (hideHeight - now) * difference;
						if ($.browser.msie || $.browser.opera) {
							current = Math.ceil(current);
						}
						options.toShow.height( current );
					},
					duration: options.duration,
					easing: options.easing,
					complete: function() {
						if ( !options.autoHeight ) {
							options.toShow.css("height", "auto");
						}
						options.complete();
					}
				});
			},
			bounceslide: function(options) {
				this.slide(options, {
					easing: options.down ? "bounceout" : "swing",
					duration: options.down ? 1000 : 200
				});
			},
			easeslide: function(options) {
				this.slide(options, {
					easing: "easeinout",
					duration: 700
				});
			}
		}
	});
	
	// deprecated, use accordion("activate", index) instead
	$.fn.activate = function(index) {
		return this.accordion("activate", index);
	};

})(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
 *
 * Revision: $Id: ui.tabs.js 5439 2008-05-04 23:46:46Z klaus.hartl $
 */
;(function($) {
	
	$.widget("ui.tabs", {
		init: function() {
			var self = this;
	
			this.options.event += '.tabs'; // namespace event
	
			$(this.element).bind('setData.tabs', function(event, key, value) {
				if ((/^selected/).test(key))
					self.select(value);
				else {
					self.options[key] = value;
					self.tabify();
				}
			}).bind('getData.tabs', function(event, key) {
				return self.options[key];
			});
	
			// create tabs
			this.tabify(true);
		},
		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 {
				instance: this,
				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).hasClass(o.navClass) || $(this.element).addClass(o.navClass);
				this.$panels.each(function() {
					var $this = $(this);
					$this.hasClass(o.panelClass) || $this.addClass(o.panelClass);
				});

				// Try to retrieve selected tab:
				// 1. from fragment identifier in url if present
				// 2. from cookie
				// 3. from selected class attribute on <li>
				// 4. otherwise use given "selected" option
				// 5. check if tab is disabled
				this.$tabs.each(function(i, a) {
					if (location.hash) {
						if (a.hash == location.hash) {
							o.selected = i;
							// prevent page scroll to fragment
							//if (($.browser.msie || $.browser.opera) && !o.remote) {
							if ($.browser.msie || $.browser.opera) {
								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;
							return false; // break
						}
					} else if ( self.$lis.eq(i).hasClass(o.selectedClass) ) {
						o.selected = i;
						return false; // break
					}
				});

				// 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() {
					    $(self.element).triggerHandler('tabsshow',
					        [self.ui(self.$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();
    					
				}

				// Take disabling tabs via class attribute from HTML
				// into account and update option properly...
				o.disabled = $.unique(o.disabled.concat(
					$.map(this.$lis.filter('.' + o.disabledClass),
						function(n, i) { return self.$lis.index(n); } )
				)).sort();
				
				// 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',
					    [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', [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 false;

			});

			// 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\}/, url).replace(/#\{label\}/, 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.panelClass).addClass(o.hideClass);
				$panel.data('destroy.tabs', true);
			}
			if (index >= this.$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
			$(this.element).triggerHandler('tabsadd',
				[this.ui(this.$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
			$(this.element).triggerHandler('tabsremove',
				[this.ui($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
			$(this.element).triggerHandler('tabsenable',
				[this.ui(this.$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
				$(this.element).triggerHandler('tabsdisable',
					[this.ui(this.$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 || ($.data(a, 'cache.tabs') && !bypassCache)) {
				callback();
				return;
			}

			// load remote from here on
			if (o.spinner) {
				var $span = $('span', a);
				$span.data('label.tabs', $span.html()).html('<em>' + o.spinner + '</em>');
			}
			var finish = function() {
				self.$tabs.filter('.' + o.loadingClass).each(function() {
					$(this).removeClass(o.loadingClass);
					if (o.spinner) {
						var $span = $('span', this);
						$span.html($span.data('label.tabs')).removeData('label.tabs');
					}
				});
				self.xhr = null;
			};
			var ajaxOptions = $.extend({}, o.ajaxOptions, {
				url: url,
				success: function(r, s) {
					$(a.hash).html(r);
					finish();
					
					if (o.cache)
						$.data(a, 'cache.tabs', true); // if loaded once do not load them again

					// callbacks
					$(self.element).triggerHandler('tabsload',
						[self.ui(self.$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();
				finish();
			}
			$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
		selected: 0,
		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-nav',
		selectedClass: 'ui-tabs-selected',
		unselectClass: 'ui-tabs-unselect',
		disabledClass: 'ui-tabs-disabled',
		panelClass: 'ui-tabs-panel',
		hideClass: 'ui-tabs-hide',
		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);