window.addEvent('domready', function(){
	var elmts=$('menu').getElements('div[class^=menuitem]');
	elmts.each(function(item,index){
						
						if (item.getElements('a[class^=item]').length!=0)
						{
												
						item.addEvents({
		'mouseenter': function(){
			
			this.set('tween', {
				duration: 1000,
				
				transition: Fx.Transitions.Bounce.easeOut // This could have been also 'bounce:out'
			}).tween('height', this.getElements('a[class^=item]').length*27+30+'px');
		},
		'mouseleave': function(){
			this.set('tween', {}).tween('height', '30px');
		}
									   
									   
	});}
						});
});