Element.extend(
{
	hide: function() 
	{
		return this.setStyle('display', 'none');
	},
	
	show: function() 
	{
		return this.setStyle('display', '');
	}
});

var DropdownMenu = new Class({	
	initialize: function(element)
	{
		$A($(element).childNodes).each(function(el)
		{
			if(el.nodeName.toLowerCase() == 'li')
			{
				$A($(el).childNodes).each(function(el2)
				{
					if(el2.nodeName.toLowerCase() == 'ul')
					{
						$(el2).hide();
						
						el.addEvent('mouseover', function()
						{
							el2.show();
							return false;
						});

						el.addEvent('mouseout', function()
						{
							el2.hide();
						});
						new DropdownMenu(el2);
					}
				});
			}
		});
		return this;
	}
});

//Window.onDomReady(function() {new DropdownMenu($('dropdownMenu'))});
window.addEvent("domready", function(){
	new DropdownMenu($('dropdownMenu'));
});