function initMenu(menuId){
	$("#" + menuId + " ul").css({display: "none"}); // Opera Fix
	$("#" + menuId + " li").hover(
		function(){
			$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
		},
		function(){
			$(this).find('ul:first').css({visibility: "hidden"});
		}
	);
}