/*

 * Superfish v1.4.1 - 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($){

	$.superfish = {};

	$.superfish.o = [];

	$.superfish.op = {};

	$.superfish.defaults = {

		hoverClass	: 'sfHover',

		pathClass	: 'overideThisToUse',

		delay		: 700,

		animation	: {opacity:'show', height:'show'},

		speed		: 'normal',

		oldJquery	: false, /* set to true if using jQuery version below 1.2 */

		disableHI	: false, /* set to true to disable hoverIntent usage */

		// callback functions:

		onInit		: function(){},

		onBeforeShow: function(){},

		onShow		: function(){}, /* note this name changed ('onshow' to 'onShow') from version 1.4 onward */

		onHide		: function(){}

	};

	$.fn.superfish = function(op){

		var bcClass = 'sfbreadcrumb',

			over = function(){

				var $$ = $(this), menu = getMenu($$);

				getOpts(menu,true);

				clearTimeout(menu.sfTimer);

				$$.showSuperfishUl().siblings().hideSuperfishUl();

			},

			out = function(){

				var $$ = $(this), menu = getMenu($$);

				var o = getOpts(menu,true);

				clearTimeout(menu.sfTimer);

				if ( !$$.is('.'+bcClass) ) {

					menu.sfTimer=setTimeout(function(){

						$$.hideSuperfishUl();

						if (o.$path.length){over.call(o.$path);}

					},o.delay);

				}		

			},

			getMenu = function($el){ return $el.parents('ul.superfish:first')[0]; },

			getOpts = function(el,menuFound){ el = menuFound ? el : getMenu(el); return $.superfish.op = $.superfish.o[el.serial]; },

			hasUl = function(){ return $.superfish.op.oldJquery ? 'li[ul]' : 'li:has(ul)'; };



		return this.each(function() {

			var s = this.serial = $.superfish.o.length;

			var o = $.extend({},$.superfish.defaults,op);

			o.$path = $('li'+o.pathClass,this).each(function(){

				$(this).addClass(o.hoverClass+' '+bcClass).filter(hasUl()).removeClass(o.pathClass);

			});

			$.superfish.o[s] = $.superfish.op = o;

			

			$(hasUl(),this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out)

			.not('.'+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);

			

		}).addClass('superfish');

	};

	

	$.fn.extend({

		hideSuperfishUl : function(){

			var o = $.superfish.op,

				$ul = $('li.'+o.hoverClass,this).add(this).removeClass(o.hoverClass)

					.find('>ul').hide().css('visibility','hidden');

			o.onHide.call($ul);

			return this;

		},

		showSuperfishUl : function(){

			var o = $.superfish.op,

				$ul = this.addClass(o.hoverClass)

					.find('>ul:hidden').css('visibility','visible');

			o.onBeforeShow.call($ul);

			$ul.animate(o.animation,o.speed,function(){ o.onShow.call(this); });

			return this;

		}

	});

	

	$(window).unload(function(){

		$('ul.superfish').each(function(){

			$('li',this).unbind('mouseover','mouseout','mouseenter','mouseleave');

		});

	});

})(jQuery);