var list = $$('#menuItems li');
list.each(function(element) {
 
	var fx = new Fx.Styles(element, {duration:200, wait:false});
 
	element.addEvent('mouseenter', function(){
		fx.start({
			'background-color': '#9aa9b4',
			'color': '#f4f4f7'
		});
	});
 
	element.addEvent('mouseleave', function(){
		fx.start({
			'background-color': '#0FF',
			'color': '#9aa9b4'
		});
	});
 
});