window.addEvent('domready', function(){
/* nav up and down */
	var list = $$('#nav li');
	list.each(function(element) {
		var fx = new Fx.Styles(element, {duration:200, wait:false});
		element.addEvent('mouseenter', function(){
			fx.start({
			'top': -5
			});
		});
		element.addEvent('mouseleave', function(){
			fx.start({
			'top': 0
			});
		});
	});
/* close dom function */
});