window.addEvent('domready', function(){
	$('navigation').addEvents({
		'mouseenter': function(){
			this.set('slice', {
				duration: 2000,
				transition: Fx.Transitions.Bounce.easeOut
			}).tween('height', '105px');
		},
		'mouseleave': function(){
			this.set('slice', {}).tween('height', '0px');
		}
	});
});