window.addEvent("domready", function(){
	topEl = $$('#top a');
	topEl.each(function(el){
		if(!el.hasClass('cat_act')){
			el.set('tween', {duration: 'long'});
			el.addEvents({
				"mouseenter": function() {
					this.set('tween', {duration: 0});
					this.tween('background-color', '#ffffff');
				},
				"mouseleave": function() {
					this.set('tween', {duration: 500});
					this.tween('background-color', '#CECECE');
				}
			});
		}
	});
});