addEvent('domready', function() {
	var fx = new Fx.Tween('l2',
		{
			property: 'opacity',
			link: 'cancel',
			duration: 'short'
		}
	);
	$$('a').addEvent('mouseover', function() {
		$('l1').setStyle('visibility', 'visible');
		fx.start(0);
	}).addEvent('mouseout', function() {
		fx.start(1);
	});
});