var MainMenu = {
	init : function(){
		var currItem;
		$$('a.topMenuItem').addEvent('mouseenter',function(){
			if(currItem){currItem.className = "";}
			if(this.className.search(/active/i)<0 || this.className.search(/active/i)==0){
				this.className = "active";
				currItem = this;
			}
			try{
				$('popup').destroy();
			}catch(z){};
			var pos = this.getPosition();
			var Ajax = new Request({
				method: 'post', 
				data : {
					'id': this.id
					},
				url: 'ajax/getSubMenu',
				onRequest : function(){
					try{
						$('popup').destroy();
					}catch(z){};
				},
				onComplete : function(rsp){
					try{
						$('popup').destroy();
					}catch(z){};
					if(rsp!="null")
					{
						var popup = document.createElement('div');
						popup.id = "popup";
						popup.className = "subMenuHolder";
						$('mainFrame').appendChild(popup);
						$('popup').style.top = (pos.y+22)+'px';
						$('popup').style.left = pos.x+'px';
						$('popup').innerHTML = rsp;
						$('popup').addEvent('mouseleave' , function(){
							if(currItem){currItem.className = "";}
							$('popup').destroy();
						});
					}
				}
			}).send();
		});
	}
};


window.addEvent('domready', function(){
	MainMenu.init();
});