window.addEvent('domready', function(){

	var el = $('menubasetop'),
		color = el.getStyle('backgroundColor');
	
	// We are setting the opacity of the element to 0.7 and adding two events
	$('menubasetop').set('opacity', 0.7).addEvents({
		mouseenter: function(){

			this.morph({
				'opacity': 1,
				'background-color': '#FFFFFF'
			});
		},
		mouseleave: function(){

			this.morph({
				opacity: 0.7,
				backgroundColor: color
			});
		}
	});


});