window.addEvent('domready', function(){
	$('drop_down_menu').getElements('li.menu').each( function( elem ){
		var list = elem.getElement('div.links');
		if (list) {
   		var myFx = new Fx.Slide(list).hide();
   		elem.addEvents({
   			'mouseenter' : function(){
   				myFx.cancel();
   				myFx.slideIn();
   			},
   			'mouseleave' : function(){
   				myFx.cancel();
   				myFx.slideOut();
   			}
   		});
   	}
	})
});