/*
 * jQuery UI 1.6rc4
 *
 * Copyright (c) 2008 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 */
;(function($) {

var _remove = $.fn.remove,
	isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);

//Helper functions and ui object
$.ui = {

	version: "1.6rc4",

	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
	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);
				}
			}
		}
	},

	contains: function(a, b) {
		var safari2 = $.browser.safari && $.browser.version < 522;
	    if (a.contains && !safari2) {
	        return a.contains(b);
	    }
	    if (a.compareDocumentPosition)
	        return !!(a.compareDocumentPosition(b) & 16);
	    while (b = b.parentNode)
	          if (b == a) return true;
	    return false;
	},

	cssCache: {},
	css: function(name) {
		if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
		var tmp = $('<div class="ui-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];
	},

	hasScroll: function(el, a) {

		//If overflow is hidden, the element might have extra content, but the user wants to hide it
		if ($(el).css('overflow') == 'hidden') { return false; }

		var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
			has = false;

		if (el[scroll] > 0) { return true; }

		// TODO: determine which cases actually cause this to happen
		// if the element doesn't have the scroll set, see if it's possible to
		// set the scroll
		el[scroll] = 1;
		has = (el[scroll] > 0);
		el[scroll] = 0;
		return has;
	},

	isOverAxis: function(x, reference, size) {
		//Determines when x coordinate is over "b" element axis
		return (x > reference) && (x < (reference + size));
	},

	isOver: function(y, x, top, left, height, width) {
		//Determines when x, y coordinates is over "b" element
		return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
	},

	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
	}

};

// WAI-ARIA normalization
if (isFF2) {
	var attr = $.attr,
		removeAttr = $.fn.removeAttr,
		ariaNS = "http://www.w3.org/2005/07/aaa",
		ariaState = /^aria-/,
		ariaRole = /^wairole:/;

	$.attr = function(elem, name, value) {
		var set = value !== undefined;

		return (name == 'role'
			? (set
				? attr.call(this, elem, name, "wairole:" + value)
				: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
			: (ariaState.test(name)
				? (set
					? elem.setAttributeNS(ariaNS,
						name.replace(ariaState, "aaa:"), value)
					: attr.call(this, elem, name.replace(ariaState, "aaa:")))
				: attr.apply(this, arguments)));
	};

	$.fn.removeAttr = function(name) {
		return (ariaState.test(name)
			? this.each(function() {
				this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
			}) : removeAttr.call(this, name));
	};
}

//jQuery plugins
$.fn.extend({

	remove: function() {
		// Safari has a native remove event which actually removes DOM elements,
		// so we have to use triggerHandler instead of trigger (#3037).
		$("*", this).add(this).each(function() {
			$(this).triggerHandler("remove");
		});
		return _remove.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 scrollParent;
		if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
			scrollParent = this.parents().filter(function() {
				return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
			}).eq(0);
		} else {
			scrollParent = this.parents().filter(function() {
				return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
			}).eq(0);
		}

		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;


	}

});


//Additional selectors
$.extend($.expr[':'], {

	data: function(a, i, m) {
		return !!$.data(a, m[3]);
	},

	// TODO: add support for object, area
	tabbable: function(a, i, m) {

		var nodeName = a.nodeName.toLowerCase();
		function isVisible(element) {
			return !($(element).is(':hidden') || $(element).parents(':hidden').length);
		}

		return (
			// in tab order
			a.tabIndex >= 0 &&

			( // filter node types that participate in the tab order

				// anchor tag
				('a' == nodeName && a.href) ||

				// enabled form element
				(/input|select|textarea|button/.test(nodeName) &&
					'hidden' != a.type && !a.disabled)
			) &&

			// visible on page
			isVisible(a)
		);

	}

});


// $.widget is a factory to create jQuery plugins
// taking some boilerplate code out of the plugin code
function getter(namespace, plugin, method, args) {
	function getMethods(type) {
		var methods = $[namespace][plugin][type] || [];
		return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
	}

	var methods = getMethods('getter');
	if (args.length == 1 && typeof args[0] == 'string') {
		methods = methods.concat(getMethods('getterSetter'));
	}
	return ($.inArray(method, methods) != -1);
}

$.widget = function(name, prototype) {
	var namespace = name.split(".")[0];
	name = name.split(".")[1];

	// create plugin method
	$.fn[name] = function(options) {
		var isMethodCall = (typeof options == 'string'),
			args = Array.prototype.slice.call(arguments, 1);

		// prevent calls to internal methods
		if (isMethodCall && options.substring(0, 1) == '_') {
			return this;
		}

		// handle getter methods
		if (isMethodCall && getter(namespace, name, options, args)) {
			var instance = $.data(this[0], name);
			return (instance ? instance[options].apply(instance, args)
				: undefined);
		}

		// handle initialization and non-getter methods
		return this.each(function() {
			var instance = $.data(this, name);

			// constructor
			(!instance && !isMethodCall &&
				$.data(this, name, new $[namespace][name](this, options)));

			// method call
			(instance && isMethodCall && $.isFunction(instance[options]) &&
				instance[options].apply(instance, args));
		});
	};

	// create widget constructor
	$[namespace] = $[namespace] || {};
	$[namespace][name] = function(element, options) {
		var self = this;

		this.namespace = namespace;
		this.widgetName = name;
		this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
		this.widgetBaseClass = namespace + '-' + name;

		this.options = $.extend({},
			$.widget.defaults,
			$[namespace][name].defaults,
			$.metadata && $.metadata.get(element)[name],
			options);

		this.element = $(element)
			.bind('setData.' + name, function(event, key, value) {
				if (event.target == element) {
					return self._setData(key, value);
				}
			})
			.bind('getData.' + name, function(event, key) {
				if (event.target == element) {
					return self._getData(key);
				}
			})
			.bind('remove', function() {
				return self.destroy();
			});

		this._init();
	};

	// add widget prototype
	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);

	// TODO: merge getter and getterSetter properties from widget prototype
	// and plugin prototype
	$[namespace][name].getterSetter = 'option';
};

$.widget.prototype = {
	_init: function() {},
	destroy: function() {
		this.element.removeData(this.widgetName)
			.removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
			.removeAttr('aria-disabled');
	},

	option: function(key, value) {
		var options = key,
			self = this;

		if (typeof key == "string") {
			if (value === undefined) {
				return this._getData(key);
			}
			options = {};
			options[key] = value;
		}

		$.each(options, function(key, value) {
			self._setData(key, value);
		});
	},
	_getData: function(key) {
		return this.options[key];
	},
	_setData: function(key, value) {
		this.options[key] = value;

		if (key == 'disabled') {
			this.element
				[value ? 'addClass' : 'removeClass'](
					this.widgetBaseClass + '-disabled' + ' ' +
					this.namespace + '-state-disabled')
				.attr("aria-disabled", value);
		}
	},

	enable: function() {
		this._setData('disabled', false);
	},
	disable: function() {
		this._setData('disabled', true);
	},

	_trigger: function(type, event, data) {
		var eventName = (type == this.widgetEventPrefix
			? type : this.widgetEventPrefix + type);
		event = event || $.event.fix({ type: eventName, target: this.element[0] });
		return this.element.triggerHandler(eventName, [event, data], this.options[type]);
	}
};

$.widget.defaults = {
	disabled: false
};


/** Mouse Interaction Plugin **/

$.ui.mouse = {
	_mouseInit: function() {
		var self = this;

		this.element
			.bind('mousedown.'+this.widgetName, function(event) {
				return self._mouseDown(event);
			})
			.bind('click.'+this.widgetName, function(event) {
				if(self._preventClickEvent) {
					self._preventClickEvent = false;
					return false;
				}
			});

		// Prevent text selection in IE
		if ($.browser.msie) {
			this._mouseUnselectable = this.element.attr('unselectable');
			this.element.attr('unselectable', 'on');
		}

		this.started = false;
	},

	// TODO: make sure destroying one instance of mouse doesn't mess with
	// other instances of mouse
	_mouseDestroy: function() {
		this.element.unbind('.'+this.widgetName);

		// Restore text selection in IE
		($.browser.msie
			&& this.element.attr('unselectable', this._mouseUnselectable));
	},

	_mouseDown: function(event) {
		// we may have missed mouseup (out of window)
		(this._mouseStarted && this._mouseUp(event));

		this._mouseDownEvent = event;

		var self = this,
			btnIsLeft = (event.which == 1),
			elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
			return true;
		}

		this.mouseDelayMet = !this.options.delay;
		if (!this.mouseDelayMet) {
			this._mouseDelayTimer = setTimeout(function() {
				self.mouseDelayMet = true;
			}, this.options.delay);
		}

		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
			this._mouseStarted = (this._mouseStart(event) !== false);
			if (!this._mouseStarted) {
				event.preventDefault();
				return true;
			}
		}

		// these delegates are required to keep context
		this._mouseMoveDelegate = function(event) {
			return self._mouseMove(event);
		};
		this._mouseUpDelegate = function(event) {
			return self._mouseUp(event);
		};
		$(document)
			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);

		// preventDefault() is used to prevent the selection of text here -
		// however, in Safari, this causes select boxes not to be selectable
		// anymore, so this fix is needed
		if(!$.browser.safari) event.preventDefault();
		return true;
	},

	_mouseMove: function(event) {
		// IE mouseup check - mouseup happened when mouse was out of window
		if ($.browser.msie && !event.button) {
			return this._mouseUp(event);
		}

		if (this._mouseStarted) {
			this._mouseDrag(event);
			return event.preventDefault();
		}

		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
			this._mouseStarted =
				(this._mouseStart(this._mouseDownEvent, event) !== false);
			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
		}

		return !this._mouseStarted;
	},

	_mouseUp: function(event) {
		$(document)
			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);

		if (this._mouseStarted) {
			this._mouseStarted = false;
			this._preventClickEvent = true;
			this._mouseStop(event);
		}

		return false;
	},

	_mouseDistanceMet: function(event) {
		return (Math.max(
				Math.abs(this._mouseDownEvent.pageX - event.pageX),
				Math.abs(this._mouseDownEvent.pageY - event.pageY)
			) >= this.options.distance
		);
	},

	_mouseDelayMet: function(event) {
		return this.mouseDelayMet;
	},

	// These are placeholder methods, to be overriden by extending plugin
	_mouseStart: function(event) {},
	_mouseDrag: function(event) {},
	_mouseStop: function(event) {},
	_mouseCapture: function(event) { return true; }
};

$.ui.mouse.defaults = {
	cancel: null,
	distance: 1,
	delay: 0
};

})(jQuery);
/*
 * jQuery UI Tabs 1.6rc4
 *
 * Copyright (c) 2008 AUTHORS.txt (http://ui.jquery.com/about)
 * 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() {
		// create tabs
		this._tabify(true);
	},

	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.tabClass, o.selectedClass, o.deselectableClass,
					o.disabledClass, o.panelClass, o.hideClass].join(' '));
		});
		if (o.cookie)
			this._cookie(null, o.cookie);
	},

	_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);
	},

	_sanitizeSelector: function(hash) {
		return hash.replace(/:/g, '\\:'); // we need this because an id may contain a ":"
	},

	_cookie: function() {
		var cookie = this.cookie || (this.cookie = 'ui-tabs-' + $.data(this.element[0]));
		return $.cookie.apply(null, [cookie].concat($.makeArray(arguments)));
	},

	_tabify: function(init) {

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

		var self = this, o = this.options;

		this.$lis
			.hover(
				function() {
					$(this).addClass('ui-state-hover');
				},
				function() {
					$(this).removeClass('ui-state-hover');
				}
			);

		this.$tabs
			.focus(function() {
				$(this).parent().addClass('ui-state-focus');
			})
			.blur(function() {
				$(this).parent().removeClass('ui-state-focus');
			});

		this.$tabs.each(function(i, a) {
			// inline tab
			if (a.hash && a.hash.replace('#', '')) // Safari 2 reports '#' for an empty hash
				self.$panels = self.$panels.add(self._sanitizeSelector(a.hash));
			// remote tab
			else if ($(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);
		});

		// initialization from scratch
		if (init) {

			// attach necessary classes for styling
			if (this.element.is('div')) {
			    // TODO replace hardcoded class names
			    this.element.addClass('ui-tabs ui-widget ui-widget-content ui-corner-all');
			    $('> ul:first', this.element).addClass(o.navClass);
			}
			else {
			    this.element.addClass(o.navClass);
			}
			this.$lis.addClass(o.tabClass);
			this.$panels.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.$tabs.each(function(i, a) {
						if (a.hash == location.hash) {
							o.selected = i;
							return false; // break
						}
					});
				}
				else if (o.cookie) {
					var index = parseInt(self._cookie(), 10);
					if (index && self.$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.$panels.eq(o.selected).removeClass(o.hideClass);
				var classes = [o.selectedClass];
				if (o.deselectable) classes.push(o.deselectableClass);
				this.$lis.eq(o.selected).addClass(classes.join(' '));

				// seems to be expected behavior that the show callback is fired
				var onShow = function() {
					self._trigger('show', null,
						self.ui(self.$tabs[o.selected], self.$panels[o.selected]));
				};

				// 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;
			});

		}
		// update selected after add/remove
		else
			o.selected = this.$lis.index( this.$lis.filter('.' + o.selectedClass)[0] );

		// set or update cookie after init and add/remove respectively
		if (o.cookie) this._cookie(o.selected, o.cookie);

		// 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;
		if (o.fx) {
			if (o.fx.constructor == Array) {
				hideFx = o.fx[0];
				showFx = o.fx[1];
			}
			else hideFx = showFx = o.fx;
		}

		// Reset certain styles left over from animation
		// and prevent IE's ClearType bug...
		function resetStyle($el, fx) {
			$el.css({ display: '' });
			if ($.browser.msie && fx.opacity) $el[0].style.removeAttribute('filter');
		}

		// Show a tab...
		var showTab = showFx ?
			function(clicked, $show) {
				$show.animate(showFx, showFx.duration || 'normal', function() {
					$show.removeClass(o.hideClass);
					resetStyle($show, showFx);
					self._trigger('show', null, self.ui(clicked, $show[0]));
				});
			} :
			function(clicked, $show) {
				$show.removeClass(o.hideClass);
				self._trigger('show', null, self.ui(clicked, $show[0]));
			};

		// Hide a tab, $show is optional...
		var hideTab = hideFx ?
			function(clicked, $hide, $show) {
				$hide.animate(hideFx, hideFx.duration || 'normal', function() {
					$hide.addClass(o.hideClass);
					resetStyle($hide, hideFx);
					if ($show) showTab(clicked, $show, $hide);
				});
			} :
			function(clicked, $hide, $show) {
				$hide.addClass(o.hideClass);
				if ($show) showTab(clicked, $show);
			};

		// Switch a tab...
		function switchTab(clicked, $li, $hide, $show) {
			var classes = [o.selectedClass];
			if (o.deselectable) classes.push(o.deselectableClass);
			// TODO replace hardcoded class names
			$li.removeClass('ui-state-default').addClass(classes.join(' '))
			    .siblings().removeClass(classes.join(' ')).addClass('ui-state-default');
			hideTab(clicked, $hide, $show);
		}

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

			//var trueClick = event.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 = $(self._sanitizeSelector(this.hash));

			// If tab is already selected and not deselectable 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!
			// TODO replace hardcoded class names
			if (($li.hasClass('ui-state-active') && !o.deselectable)
				|| $li.hasClass(o.disabledClass)
				|| $(this).hasClass(o.loadingClass)
				|| self._trigger('select', null, self.ui(this, $show[0])) === false
				) {
				this.blur();
				return false;
			}

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

			// if tab may be closed
			// TODO replace hardcoded class names
			if (o.deselectable) {
				if ($li.hasClass('ui-state-active')) {
					self.options.selected = null;
					$li.removeClass([o.selectedClass, o.deselectableClass].join(' ')).
					    addClass('ui-state-default');
					self.$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, o.deselectableClass].join(' '))
						    .removeClass('ui-state-default');
						showTab(a, $show);
					});
					this.blur();
					return false;
				}
			}

			if (o.cookie) self._cookie(o.selected, o.cookie);

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

			// show new tab
			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).removeClass('ui-state-default');
						showTab(a, $show);
					}
				);
			} 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 via CSS
			// in modern browsers; blur() removes focus from address bar in Firefox
			// which can become a usability and annoying problem with tabs('rotate').
			if ($.browser.msie) this.blur();

			return false;

		});

		// disable click if event is configured to something else
		if (o.event != 'click') 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.addClass(o.tabClass).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._trigger('add', null, this.ui(this.$tabs[index], this.$panels[index]));
	},

	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._trigger('remove', null, this.ui($li.find('a')[0], $panel[0]));
	},

	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._trigger('enable', null, this.ui(this.$tabs[index], this.$panels[index]));
	},

	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._trigger('disable', null, this.ui(this.$tabs[index], this.$panels[index]));
		}
	},

	select: function(index) {
		// TODO make null as argument work
		if (typeof index == 'string')
			index = this.$tabs.index( this.$tabs.filter('[href$=' + index + ']')[0] );
		this.$tabs.eq(index).trigger(this.options.event + '.tabs');
	},

	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.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) {
				$(self._sanitizeSelector(a.hash)).html(r);
				cleanup();

				if (o.cache)
					$.data(a, 'cache.tabs', true); // if loaded once do not load them again

				// callbacks
				self._trigger('load', null, self.ui(self.$tabs[index], self.$panels[index]));
				try {
					o.ajaxOptions.success(r, s);
				}
				catch (event) {}

				// 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);
		self.xhr = $.ajax(ajaxOptions);
	},

	url: function(index, url) {
		this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
	},

	ui: function(tab, panel) {
		return {
			options: this.options,
			tab: tab,
			panel: panel,
			index: this.$tabs.index(tab)
		};
	}

});

$.extend($.ui.tabs, {
	version: '1.6rc4',
	getter: 'length',
	defaults: {
		ajaxOptions: null,
		cache: false,
		cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
		deselectable: false,
		deselectableClass: 'ui-tabs-deselectable',
		disabled: [],
		disabledClass: 'ui-state-disabled',
		event: 'click',
		fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
		hideClass: 'ui-tabs-hide',
		idPrefix: 'ui-tabs-',
		loadingClass: 'ui-tabs-loading',
		navClass: 'ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all',
		tabClass: 'ui-state-default ui-corner-top',
		panelClass: 'ui-tabs-panel ui-widget-content ui-corner-bottom',
		panelTemplate: '<div></div>',
		selectedClass: 'ui-tabs-selected ui-state-active',
		spinner: 'Loading&#8230;',
		tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>'
	}
});

/*
 * 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(event) {
			if (!event || event.clientX) { // only in case of a true click
				clearInterval(self.rotation);
			}
		}

		// start interval
		if (ms) {
			start();
			if (!continuing)
				this.$tabs.bind(this.options.event + '.tabs', stop);
			else
				this.$tabs.bind(this.options.event + '.tabs', function() {
					stop();
					t = self.options.selected;
					start();
				});
		}
		// stop interval
		else {
			stop();
			this.$tabs.unbind(this.options.event + '.tabs', stop);
		}
	}
});

})(jQuery);