/*
 * 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',
		hoverClassAlt	: 'sfHoverAlt',
		pathClass	    : 'overideThisToUse',
		delay		    : 800,
		animation	    : {opacity:'show'},
		speed		    : 'normal',
		oldJquery	    : false, /* set to true if using jQuery version below 1.2 */
		disableHI	    : false, /* set to true to disable hoverIntent usage */
		switchIndex	    : 3,
		// 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);
			obj = $(this);
			
			obj.children().each(
			    function (i){

			        //alert(obj.children().eq(i).outerWidth() + " : " + obj.children().eq(i).children("ul").eq(0).outerWidth());
			        if (i < o.switchIndex){
			            //alert(obj.children().eq(i).children(1).children().length);
			            
			            obj.children().eq(i).children("ul").eq(0).css('left',obj.children().eq(i).outerWidth() - obj.children().eq(i).children("ul").eq(0).outerWidth() + 1 + "px")
			            
			            $(this).setChildNodesPosition(obj.children().eq(i), "right")
			            
			            obj.children().eq(i).attr("position", "right")
			            
			        } else {
			           $(this).setChildNodesPosition(obj.children().eq(i), "left")
			           
			           obj.children().eq(i).attr("position", "left")
			            
			        }
			        
			        
			    }
			);
			
			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 = $a.eq(i).parents('li');
				//alert($li.index($li))
				$a.eq(i).focus(function(){over.call($li);}).blur(function(){out.call($li);});
			});
			
			o.onInit.call(this);
			
		}).addClass('superfish');
	};
	
	$.fn.extend({
	
	    setChildNodesPosition : function(pobjNode, pstrPosition) {
	    
	        var obj = $(this);
	        
	        obj.children().each(
			    function (i){
			        //alert(obj.text() + " : " + i);
			        obj.children().eq(i).attr("position", pstrPosition);
			        if (obj.children().eq(i).children().length > 0){
			            $(this).setChildNodesPosition(obj.children().eq(i), pstrPosition);
			        }
			    }
		    )
	    },
	
		hideSuperfishUl : function(){
		    //alert(this.attr("position"))
		    if (this.attr("position") == "left"){
		        //alert("hideleft")
		        var o = $.superfish.op,
			    $ul = $('li.'+o.hoverClass,this).add(this).removeClass(o.hoverClass).find('>ul').hide().css('visibility','hidden');
		    } else {
		        //alert("hideright")
		        var o = $.superfish.op,
			    $ul = $('li.'+o.hoverClassAlt,this).add(this).removeClass(o.hoverClassAlt).find('>ul').hide().css('visibility','hidden');
		    }
			
			o.onHide.call($ul);
			return this;
		},
		showSuperfishUl : function(){
		    //alert(this.attr("position"))
		    if (this.attr("position") == "left"){
		        //alert("showleft")
		        var o = $.superfish.op,
			    $ul = this.addClass(o.hoverClass).find('>ul:hidden').css('visibility','visible');
		    } else {
		        //alert("showright")
		        var o = $.superfish.op,
			    $ul = this.addClass(o.hoverClassAlt).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);