/*
 * Superfish v1.4.8 - jQuery menu widget
 * Copyright (c) 2008 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 * 	http://www.opensource.org/licenses/mit-license.php
 * 	http://www.gnu.org/licenses/gpl.html
 *
 * CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
 */

;(function($){
	$.fn.superfish = function(op){

		var sf = $.fn.superfish,
		c = sf.c,
		$arrow = $(['<span class="',c.arrowClass,'"> &#187;</span>'].join('')),
		over = function(){
			var $$ = $(this), menu = getMenu($$);
			clearTimeout(menu.sfTimer);
			$$.showSuperfishUl().siblings().hideSuperfishUl();
		},
		out = function(){
			var $$ = $(this), menu = getMenu($$), o = sf.op;
			clearTimeout(menu.sfTimer);
			menu.sfTimer=setTimeout(function(){
				o.retainPath=($.inArray($$[0],o.$path)>-1);
				$$.hideSuperfishUl();
				if (o.$path.length && $$.parents(['li.',o.hoverClass].join('')).length<1){over.call(o.$path);}
			},o.delay);	
		},
		getMenu = function($menu){
			var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
			sf.op = sf.o[menu.serial];
			return menu;
		},
		addArrow = function($a){ $a.addClass(c.anchorClass).append($arrow.clone()); };

		return this.each(function() {
			var s = this.serial = sf.o.length;
			var o = $.extend({},sf.defaults,op);
			o.$path = $('li.'+o.pathClass,this).slice(0,o.pathLevels).each(function(){
				$(this).addClass([o.hoverClass,c.bcClass].join(' '))
				.filter('li:has(ul)').removeClass(o.pathClass);
			});
			sf.o[s] = sf.op = o;

			$('li:has(ul)',this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out).each(function() {
				if (o.autoArrows) addArrow( $('>a:first-child',this) );
			})
			.not('.'+c.bcClass)
			.hideSuperfishUl();

			var $a = $('a',this);
			$a.each(function(i){
				var $li = $a.eq(i).parents('li');
				$a.eq(i).focus(function(){over.call($li);}).blur(function(){out.call($li);});
			});
			o.onInit.call(this);

		}).each(function() {
			var menuClasses = [c.menuClass];
			if (sf.op.dropShadows  && !($.browser.msie && $.browser.version < 7)) menuClasses.push(c.shadowClass);
			$(this).addClass(menuClasses.join(' '));
		});
	};

	var sf = $.fn.superfish;
	sf.o = [];
	sf.op = {};
	sf.IE7fix = function(){
		var o = sf.op;
		if ($.browser.msie && $.browser.version > 6 && o.dropShadows && o.animation.opacity!=undefined)
			this.toggleClass(sf.c.shadowClass+'-off');
	};
	sf.c = {
			bcClass     : 'sf-breadcrumb',
			menuClass   : 'sf-js-enabled',
			anchorClass : 'sf-with-ul',
			arrowClass  : 'sf-sub-indicator',
			shadowClass : 'sf-shadow'
	};
	sf.defaults = {
			hoverClass	: 'sfHover',
			pathClass	: 'overideThisToUse',
			pathLevels	: 1,
			delay		: 800,
			animation	: {opacity:'show'},
			speed		: 'normal',
			autoArrows	: true,
			dropShadows : true,
			disableHI	: false,		// true disables hoverIntent detection
			onInit		: function(){}, // callback functions
			onBeforeShow: function(){},
			onShow		: function(){},
			onHide		: function(){}
	};
	$.fn.extend({
		hideSuperfishUl : function(){
		var o = sf.op,
		not = (o.retainPath===true) ? o.$path : '';
		o.retainPath = false;
		var $ul = $(['li.',o.hoverClass].join(''),this).add(this).not(not).removeClass(o.hoverClass)
		.find('>ul').hide().css('visibility','hidden');
		o.onHide.call($ul);
		return this;
	},
	showSuperfishUl : function(){
		var o = sf.op,
		sh = sf.c.shadowClass+'-off',
		$ul = this.addClass(o.hoverClass)
		.find('>ul:hidden').css('visibility','visible');
		sf.IE7fix.call($ul);
		o.onBeforeShow.call($ul);
		$ul.animate(o.animation,o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
		return this;
	}
	});

})(jQuery);