var list = $$('#idList li');
list.each(function(element) {
 
	var fx = new Fx.Styles(element, {duration:200, wait:false});
 
	element.addEvent('mouseenter', function(){
		fx.start({
			'background-color': '#7a7a7a',
		});
	});
 
	element.addEvent('mouseleave', function(){
		fx.start({
			'background-color': '#7a7a7a',
			'color': '#fff'
		});
	});
 
});

var list = $$('#idList li ul li');
list.each(function(element) {
 
	var fx = new Fx.Styles(element, {duration:200, wait:false});
 
	element.addEvent('mouseenter', function(){
		fx.start({
			'background-color': '#7a7a7a',
		});
	});
 
	element.addEvent('mouseleave', function(){
		fx.start({
			'background-color': '#7a7a7a',
			'color': '#fff'
		});
	});
 
});