window.addEvent('domready', function(){
	$('menu').getElements('li.menu_item').each(
		
		function(MenuItem){
			var MainItem = MenuItem.getElement('a.main_item');
			var SubMenu = MenuItem.getElement('div.submenu');
			if (MainItem != null){
				MenuItem.addEvents({
					'mouseenter' : function(){
						MainItem.setStyle('color', '#fff');
						if (SubMenu != null){
							SubMenu.setStyle('left', MenuItem.getCoordinates('relative').left - 1);
							SubMenu.setStyle('top', MenuItem.getCoordinates('relative').bottom);
							SubMenu.setStyle('min-width', MenuItem.getCoordinates('relative').right - MenuItem.getCoordinates('relative').left);
							SubMenu.show();
						}
					},
					'mouseleave' : function(){
						MainItem.setStyle('color', '#ccc');
						if (SubMenu != null) SubMenu.hide();
					}
				})
			}
		}
		
	)
});