if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 检测一室","jcys.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 检测二室","jces.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 检测三室","jcss.asp");
	//	menu1.addItem("- 成长历程","History.asp");
	//	menu1.addItem("- 联系我们","Contact.asp");	
	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
	//	menu2.addItem("- 企业新闻", "news.asp"); 
	//	menu2.addItem("- 业内资讯", "yenews.asp"); // send no URL if nothing should happen onclick
	
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 农业部参茸质检中心", "nyb.asp");
		menu3.addItem("- 省站", "sz.asp");
	    menu3.addItem("- 分中心", "fzx.asp");
		
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 科研", "ky.asp");
		menu4.addItem("- 教学", "jx.asp");
		
		// menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		//menu5.addItem("- 国内市场", "Sale.asp");
		//menu5.addItem("- 国外市场", "Salea.asp");

		// menu : 6
		var menu6 = ms.addMenu(document.getElementById("menu6"));
		menu6.addItem("- 色谱类", "sp.asp");
		menu6.addItem("- 光谱类", "gp.asp");		
			
		// menu : 7
		var menu7 = ms.addMenu(document.getElementById("menu7"));
		//menu7.addItem("- 会员中心", "Server.asp");
		//menu7.addItem("- 信息反馈", "Feedback.asp");
		//menu7.addItem("- 留言中心", "NetBook.asp");
		//menu7.addItem("- 订单查询", "E_shop.asp");		
	
		mtDropDown.renderAll();
	}