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

var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("润滑系统清洗保养产品",	"?action=text|wealace|1067|cn|4092|2","_blank");
menu3.addItem("燃油系统清洗保养产品",	"?action=text|wealace|1067|cn|4091|2","_blank");
menu3.addItem("自动变速箱系统清洗保",	"?action=text|wealace|1067|cn|4093|2","_blank");
menu3.addItem("动力转向系统清洗保养",	"?action=text|wealace|1067|cn|4096|2","_blank");
menu3.addItem("冷却系统清洗保养产品",	"?action=text|wealace|1067|cn|4095|2","_blank");
menu3.addItem("空调系统清洗保养产品",	"?action=text|wealace|1067|cn|4094|2","_blank");

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