window.addEvent('domready', function(){
			
		$$('.bottoneMenu').each(function(menu){
		
			var fx = new Fx.Tween(menu, {duration:200, wait:false});		
			
			menu.addEvent('mouseenter', function(event){
				fx.start('margin-top',6);
			});
			
			menu.addEvent('mouseleave', function(event){
				fx.start('margin-top',0);
			});
		});
	});