function menu()
{
	var list = $$('#main-nav li');
	list.each(function(element)
	{
		var fx = new Fx.Morph(element, {duration:200, wait:false});
		element.addEvents({
			'mouseenter': function()
			{
				fx.start({
					'margin-top': 0
				});
			},
			'mouseleave': function()
			{
				if(element.className!="active")
				{
					fx.start({
						'margin-top': -13
					});
				}
			}
		});
	});
}
if (window.addEventListener)
	window.addEventListener("load", menu, false);
else if (window.attachEvent)
	window.attachEvent("onload", menu);