Element.implement({
	$chk : function(obj){
		return !!(obj || obj === 0);
	}
});
window.addEvent('domready', function(){
	$$('div#navMenus ul.menu li').addEvents({
		'mouseover':	function(){
			if($chk(this.getElement('ul.submenu'))){
				this.addClass('hover');
				this.getElement('ul.submenu').setStyle('opacity', 0.95);
			}			
		},
		'mouseleave':	function(){
			this.removeClass('hover');
		}
	});
});