/*
 * 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);