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

	$('topmenu').getElements('li.menu').each( function( elem ){
		var list = elem.getElement('div.subnavi-div');
		
		var myFx = new Fx.Slide(list).hide();
		var children = elem.getChildren('div.menu-div');
			
			
		elem.addEvents({
			'mouseenter' : function(){
		list.set('class','subnavi-div subnavi-hovered');
		children.set('class', 'menu-div menuhover');	
				myFx.cancel();
				myFx.slideIn();
			},
			'mouseleave' : function(){
			children.set('class', 'menu-div');	
				myFx.cancel();
				myFx.slideOut();
			}
		});
	})
});