if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 客运站综合管理系统","product0.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 智能语音广播系统","product2.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 自动电话咨询系统","product4.asp");
                menu1.addItem("- 客运站硬件设备","busled.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("- 纸箱系统", "zhixiang.asp");
		menu3.addItem("- 纸板系统", "zhiban.asp");	   
		
			
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 交通行业典型案例", "Sale.asp");
		menu4.addItem("- 纸品厂典型案例", "Salea.asp");

		// menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- 会员中心", "Server.asp");
		menu5.addItem("- 信息反馈", "Feedback.asp");
		menu5.addItem("- 留言中心", "NetBook.asp");
				
	
		mtDropDown.renderAll();
	}