(function($) {
$.widget("ui.tabs", {
	init: function() { this.options.event += '.tabs'; this.tabify(true); },
	setData: function(key, value) {
		if ((/^selected/).test(key)){ this.select(value); } else { this.options[key] = value; this.tabify(); }
	},
	length: function() { return this.$tabs.length; 	},
	tabId: function(a) {
		return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '')
			|| this.options.idPrefix + $.data(a);
	},
	ui: function(tab, panel) {
		return {
			options: this.options, tab: tab, panel: panel, index: this.$tabs.index(tab)
		};
	},
	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) {
			if (a.hash && a.hash.replace('#', '')) 
				self.$panels = self.$panels.add(a.hash);
			else if ($(a).attr('href') != '#') { 
				$.data(a, 'href.tabs', a.href); 
				$.data(a, 'load.tabs', a.href); 
				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( $panel );
			}
			else
				o.disabled.push(i + 1);
		});
		if (init) {
			this.element.addClass(o.navClass);
			this.$panels.each(function() { var $this = $(this); $this.addClass(o.panelClass); });
			if (o.selected === undefined) {
				if (location.hash) {
					this.$tabs.each(function(i, a) {
						if (a.hash == location.hash) {
							o.selected = i;
							if ($.browser.msie || $.browser.opera) { 
								var $toShow = $(location.hash), toShowId = $toShow.attr('id');
								$toShow.attr('id', '');
								setTimeout(function() {
									$toShow.attr('id', toShowId); 
								}, 500);
							}
							scrollTo(0, 0);
							return false; 
						}
					});
				}
				else if (o.cookie) {
					var index = parseInt($.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; 
			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($.inArray(o.selected, o.disabled), 1); }
			this.$panels.addClass(o.hideClass);
			this.$lis.removeClass(o.selectedClass);
			if (o.selected !== null) {
				this.$panels.eq(o.selected).show().removeClass(o.hideClass); 
				this.$lis.eq(o.selected).addClass(o.selectedClass);
				var onShow = function() {
					$(self.element).triggerHandler('tabsshow',
						[self.fakeEvent('tabsshow'), self.ui(self.$tabs[o.selected], self.$panels[o.selected])], o.show);
				}; 
				if ($.data(this.$tabs[o.selected], 'load.tabs')){ this.load(o.selected, onShow); }else{ onShow(); }
			}
			$(window).bind('unload', function() { self.$tabs.unbind('.tabs'); self.$lis = self.$tabs = self.$panels = null; });
		}
		for (var i = 0, li; li = this.$lis[i]; i++) { $(li)[$.inArray(i, o.disabled) != -1 && !$(li).hasClass(o.selectedClass) ? 'addClass' : 'removeClass'](o.disabledClass); }
		if (o.cache === false) { this.$tabs.removeData('cache.tabs'); }
		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; }
		var resetCSS = { display: '', overflow: '', height: '' };
		if (!$.browser.msie) { resetCSS.opacity = ''; }
		function hideTab(clicked, $hide, $show) {
			$hide.animate(hideFx, hideFx.duration || baseDuration, function() { //
				$hide.addClass(o.hideClass).css(resetCSS); 
				if ($.browser.msie && hideFx.opacity){	$hide[0].style.filter = ''; }
				if ($show){	showTab(clicked, $show, $hide); }
			});
		}
		function showTab(clicked, $show, $hide) {
			if (showFx === baseFx) { $show.css('display', 'block'); }
			$show.animate(showFx, showFx.duration || baseDuration, function() {
				$show.removeClass(o.hideClass).css(resetCSS); 
				if ($.browser.msie && showFx.opacity) {	$show[0].style.filter = ''; }
				$(self.element).triggerHandler('tabsshow',
					[self.fakeEvent('tabsshow'), self.ui(clicked, $show[0])], o.show);
			});
		}
		function switchTab(clicked, $li, $hide, $show) {
			$li.addClass(o.selectedClass)
				.siblings().removeClass(o.selectedClass);
			hideTab(clicked, $hide, $show);
		}
		this.$tabs.unbind('.tabs').bind(o.event, function() {
			var $li = $(this).parents('li:eq(0)'),
				$hide = self.$panels.filter(':visible'),
				$show = $(this.hash);
			if (($li.hasClass(o.selectedClass) && !o.unselect)
				|| $li.hasClass(o.disabledClass) 
				|| $(this).hasClass(o.loadingClass)
				|| $(self.element).triggerHandler('tabsselect', [self.fakeEvent('tabsselect'), self.ui(this, $show[0])], o.select) === false
				) {
				this.blur();
				return false;
			}
			self.options.selected = self.$tabs.index(this);
			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' + $.data(self.element), self.options.selected, o.cookie); }
			self.$panels.stop();
			if ($show.length) {
				var a = this;
				self.load(self.$tabs.index(this), $hide.length ? 
					function() { switchTab(a, $li, $hide, $show); } :
					function() { $li.addClass(o.selectedClass); showTab(a, $show); }
				);
			} else { throw 'jQuery UI Tabs: Mismatching fragment identifier.'; }
			if ($.browser.msie) { this.blur(); }
			return false;
		});
		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; }
		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] );
		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); }
		}
		this.element.triggerHandler('tabsadd',
			[this.fakeEvent('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 ($li.hasClass(o.selectedClass) && this.$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();
		this.element.triggerHandler('tabsremove',
			[this.fakeEvent('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) { $li.css('display', 'inline-block'); setTimeout(function() { $li.css('display', 'block'); }, 0); }
		o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });
		this.element.triggerHandler('tabsenable',
			[this.fakeEvent('tabsenable'), this.ui(this.$tabs[index], this.$panels[index])], o.enable
		);
	},
	disable: function(index) {
		var self = this, o = this.options;
		if (index != o.selected) { this.$lis.eq(index).addClass(o.disabledClass); o.disabled.push(index); o.disabled.sort(); this.element.triggerHandler('tabsdisable', [this.fakeEvent('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) { 
		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() {};
		if (!url || !bypassCache && $.data(a, 'cache.tabs')) { callback(); return; }
		var inner = function(parent) {
			var $parent = $(parent), $inner = $parent.find('*:last');
			return $inner.length && $inner.is(':not(img)') && $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); }
				$(self.element).triggerHandler('tabsload',
					[self.fakeEvent('tabsload'), self.ui(self.$tabs[index], self.$panels[index])], o.load
				);
				o.ajaxOptions.success && o.ajaxOptions.success(r, s);
				callback();
			}
		});
		if (this.xhr) { this.xhr.abort(); cleanup(); }
		$a.addClass(o.loadingClass); setTimeout(function() { 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(' ')); } });
	},
	fakeEvent: function(type) { return $.event.fix({ type: type, target: this.element[0] }); } });
$.ui.tabs.defaults = { unselect: false, event: 'click', disabled: [], cookie: null, spinner: 'Loading&#8230;', cache: false, idPrefix: 'ui-tabs-', ajaxOptions: {}, fx: null,
	tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>',
	panelTemplate: '<div></div>',
	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";
$.extend($.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.$tabs.length ? t : 0;
				self.select(t);
			}, ms); 
		}
		function stop(e) {
			if (!e || e.clientX) { 
				clearInterval(self.rotation);
			}
		}
		if (ms) {
			start();
			if (!continuing)
				this.$tabs.bind(this.options.event, stop);
			else
				this.$tabs.bind(this.options.event, function() {
					stop();
					t = self.options.selected;
					start();
				});
		}
		else {
			stop();
			this.$tabs.unbind(this.options.event, stop);
		}
	}
});
})(jQuery);