if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 关于我们","into.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 企业宗旨","qyzz.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 车间设备","cjsb.asp");
		menu1.addItem("- 技术团队","jstd.asp");

	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 公司新闻", "news.asp?classid=1"); 
		menu2.addItem("- 行业新闻", "news.asp?classid=2"); // send no URL if nothing should happen onclick
	
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 产品信息", "Product.asp");
		menu3.addItem("- 型材规格", "xcgg.asp");
	    menu3.addItem("- 产品色卡", "cpsk.asp");
		menu3.addItem("- 产品知识", "cpzs.asp");
		menu3.addItem("- 安装指南", "azzn.asp");
		
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 塑木地板系列", "gcsl.asp?tuijian=1");
		menu4.addItem("- 花箱垃圾箱", "gcsl.asp?tuijian=2");
		menu4.addItem("- 景观工程类", "gcsl.asp?tuijian=3");
		menu4.addItem("- UPVC隔热瓦", "gcsl.asp?tuijian=4");

		mtDropDown.renderAll();
	}