if (mtDropDown.isSupported()) {

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

	var menu1 = ms.addMenu(document.getElementById("menu1"));
	menu1.addItem("走进铭亮", "aboutml.asp");
	menu1.addItem("走进高广", "aboutgg.asp");
	menu1.addItem("走进海之燕", "abouthzy.asp");
	var menu2 = ms.addMenu(document.getElementById("menu2"));
	menu2.addItem("服务承诺", "fwcn.asp");
	menu2.addItem("营销网络", "yxwl.asp");
	

	mtDropDown.renderAll();
}