window.addEvent('domready', function() {
var subs = $$('#submenu li');
subs.each(function(element){

	var motion = new Fx.Transition(Fx.Transitions.Quad, 3);
	
	var Fade = new Fx.Style(element, 'opacity', {transition:motion.easeIn, duration:150});
	Fade.start(1,0.5);
	element.addEvent('mouseenter', function(){
		Fade.start(0.5,1);
		});
	element.addEvent('mouseleave', function(){
		Fade.start(1,0.5);
		});		
	});

});