window.addEvent('domready', function() {
	
	var navigation = $('fancy_navigation');
	var activeSubmenu = null;
	
	navigation.getChildren().each(function(item){
		item.addEvent('mouseenter', function(){
			if(activeSubmenu = item.getElement('ul')){
				activeSubmenu.setStyle('display', 'block');	
			}
		});
		
		item.addEvent('mouseleave', function(){
			if(activeSubmenu){
				activeSubmenu.setStyle('display', 'none');
				activeSubmenu = null;
			}
		});
	});

});