if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("公司简介      ", "aboutus.asp");
		menu1.addItem("董事长致辞", "oration.asp");
		menu1.addItem("经营理念", "Culture.asp");
		menu1.addItem("资质与荣誉", "honour.asp");
		
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("信息系统集成", "PORJECT_wl.asp");
		menu2.addItem("安防系统集成      ", "PORJECT_af.asp");
		menu2.addItem("通讯工程", "PORJECT_cx.asp");
		menu2.addItem("弱电工程", "PORJECT_yd.asp");
		//var menu3 = ms.addMenu(document.getElementById("menu3"));
		//menu3.addItem("安防工程     &nbsp", "SutraPorject_af.asp");
		//menu3.addItem("网络工程", "SutraPorject_wl.asp");
		//menu3.addItem("通讯工程", "SutraPorject_tx.asp");
				
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("信息网络设备      ", "product_computer.asp");
		menu5.addItem("安防器材", "product_af.asp");
		menu5.addItem("智能表计", "product_bj.asp");
		menu5.addItem("低压配电产品", "product_pd.asp");

		//var menu6 = ms.addMenu(document.getElementById("menu6"));
		//menu6.addItem("资料文档      ", "TechSupport.asp#1");
		//menu6.addItem("常见问题", "TechSupport.asp#2");

		//var menu7 = ms.addMenu(document.getElementById("menu7"));
		//menu7.addItem("员工发展      ", "#");
		//menu7.addItem("空缺职位", "#");
		//menu7.addItem("贵宾留言", "#");

		mtDropDown.renderAll();
	}