if (mtDropDown.isSupported()) 
		{
			var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);

var	menu5	=	ms.addMenu(document.getElementById("mainmenu5"));
menu5.addItem("居家养老有了“电子保姆”",	"/userlist/huquan/blank-1628.html","");

			mtDropDown.renderAll();
		}
		//初始菜单
		window.onload = init;