if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 11, -1, mtDropDown.reference.bottomLeft);

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("   公司介绍   ", "About.asp");
		menu1.addItem("   企业文化   ", "WenHua.asp");
		menu1.addItem("   办事处分布   ", "Address.asp");
		menu1.addItem("   荣誉资质   ", "ZhiZi.asp");
		
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("   电力电源   ", "List.asp?NAME=%B5%E7%C1%A6%B5%E7%D4%B4");
		menu2.addItem("   通信电源   ", "List.asp?NAME=%CD%A8%D0%C5%B5%E7%D4%B4");
		menu2.addItem("   可视化电源   ", "List.asp?NAME=%BF%C9%CA%D3%BB%AF%B5%E7%D4%B4");
		menu2.addItem("   铁路电源   ", "List.asp?NAME=%CC%FA%C2%B7%B5%E7%D4%B4");
		menu2.addItem("   自动工控电源   ", "List.asp?NAME=%D7%D4%B6%AF%B9%A4%BF%D8%B5%E7%D4%B4");
		
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("   服务体系 ", "Service.asp");
		menu3.addItem("   客户培训 ", "Teck.asp");
		menu3.addItem("   问题反馈 ", "daily/LuiYan.asp");
		menu3.addItem("   资料下载 ", "Down.asp");

		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("   人才招聘 ", "AddOus.asp");
		menu4.addItem("   人才策略 ", "Job.asp");

mtDropDown.renderAll();
	}