if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 关于义深升","about.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 企业文化","Culture.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 服务范围","Structure.asp");
		menu1.addItem("- 经营理念","History.asp");
		//menu1.addItem("- 资质证明","zizm.asp");	
	
//第二菜单
		//var menu2 = ms.addMenu(document.getElementById("menu2"));
		//menu2.addItem("- 公司动态", "news.asp"); 
		//menu2.addItem("- 行业新闻", "yenews.asp"); // send no URL if nothing should happen onclick
	
		 //menu : 3
		//var menu3 = ms.addMenu(document.getElementById("menu3"));
		//menu3.addItem("- 车展", "Product.asp?bigclassname=车展");
		//menu3.addItem("- 房展", "Product.asp?bigclassname=房展");
		//menu3.addItem("- 中博会", "Product.asp?bigclassname=中博会");
		//menu3.addItem("- 珠洽会", "Product.asp?bigclassname=珠洽会");
		//menu3.addItem("- 农博会", "Product.asp?bigclassname=农博会");
	    //menu3.addItem("- 其它", "Product.asp?bigclassname=其它");
		
		// menu : 4
		//var menu4 = ms.addMenu(document.getElementById("menu4"));
		//menu4.addItem("- AV 设备", "download.asp?BigClassName=AV设备");
		///menu4.addItem("- 器材展示", "download.asp?BigClassName=器材展示");
		//menu4.addItem("- 功能效果图", "download.asp?BigClassName=功能效果图");
		
		
		// menu : 5
		//var menu5 = ms.addMenu(document.getElementById("menu5"));
		//menu5.addItem("- 服务网络", "Sale.asp");
		//menu5.addItem("- 服务承诺", "Salea.asp");

		// menu : 6
		//var menu6 = ms.addMenu(document.getElementById("menu6"));
		//menu6.addItem("- 人才招聘", "Job.asp");
		//menu6.addItem("- 人才策略", "Jobs.asp");		
			
		// menu : 7
		//var menu7 = ms.addMenu(document.getElementById("menu7"));
		//menu7.addItem("- 客户服务", "kefu.asp");
		//menu7.addItem("- 联系方式", "contact.asp");
		//menu7.addItem("- 英才招聘", "job.asp");
		
	
		mtDropDown.renderAll();
	}