/*
 * 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, 
			o = sf.op,
			$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($$), o = sf.op;
				clearTimeout(menu.sfTimer);
				if (o != undefined) {
					menu.sfTimer=setTimeout(function(){
						o.retainPath=($.inArray($$[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     : 'navBreadcrumb',
		menuClass   : '',
		anchorClass : 'navWithUl',
		arrowClass  : 'navIndicator',
		shadowClass : 'navShadow'
	};
	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(){}
	};
	$.fn.extend({
		hideSuperfishUl : function(){
			var o = sf.op;
			if (o != undefined) {
				var	not = (o.retainPath===true) ? o.$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&G code 
				var t = $(this).find("img").eq(0);
				
				if (t.parent().parent().attr("class") == "navHere") {
					t.attr("src", t.attr("src").replace(/_[a-z]+/,"_hr"));	
				} else {
					t.attr("src", t.attr("src").replace(/_[a-z]+/,"_off"));	
				}
				o.onHide.call($ul);
			}
			return this;
		},
		showSuperfishUl : function(){
			var o = sf.op;
			if (o != undefined) {
				var sh = sf.c.shadowClass+'-off',
					$ul = this.addClass(o.hoverClass)
						.find('>ul:hidden').css('visibility','visible');
				// O&G code 
				var t = $(this).find("img").eq(0);

				$("#branding > ul img").each(function(){
						if ($(this).parent().parent().attr("class") == "navHere") {
							$(this).attr("src", $(this).attr("src").replace(/_[a-z]+/, "_hr")); 
						} else {
							$(this).attr("src", $(this).attr("src").replace(/_[a-z]+/, "_off")); 
						}
				});
				t.attr("src", t.attr("src").replace(/_[a-z]+/,"_on"));
	
				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);