if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- EnDa News","/Business news/"); 
		menu1.addItem("- Industry Trends","/Geographic Information/");

//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- About Enda", "/ENAboutEnda/index.htm"); 
		menu2.addItem("- Quality Assurance", "/ENAboutEnda/Quality_Assurance/");
		menu2.addItem("- Cultural Ideas", "/ENAboutEnda/Cultural_Ideas/");
		menu2.addItem("- Honorary certificate", "/enryzz/");

//二级－一
		var subMenu0 = menu2.addMenu(menu2.items[3]);
		subMenu0.addItem("- Certificate", "/enryzz/index.html");
		subMenu0.addItem("- Qualification", "/enryzz/QUALIFICATION/");	
	
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- Marine products", "/enchuanyongcapin/");
		menu3.addItem("- Automotive Products", "/encheyongcapin/");
		menu3.addItem("- Process equipment", "/engysb/");

		
		var subMenu0 = menu3.addMenu(menu3.items[0]);
		subMenu0.addItem("- Controller", "/enKongZhiYi/");
		subMenu0.addItem("- Since the start-up screen cont", "/enZiQiDongKongZhiPing/");
		subMenu0.addItem("- Sensors and Transmitters", "/enChuanGanQiBianSongQi/");	
		
		var subMenu1 = menu3.addMenu(menu3.items[1]);
		subMenu1.addItem("- Engine Wiring", "/enfadongjixiansu/");
		subMenu1.addItem("- Body harness", "/encheshengxiansu/");
		subMenu1.addItem("- Chassis harness", "/endpxs/");		
		subMenu1.addItem("- Instrument assembly harness", "/enybzcxs/");	

	
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- Pre-sale consultation", "/ENFuWuZhiChi/index.html");
		menu4.addItem("- Support", "/ENFuWuZhiChi/shzc/");
		menu4.addItem("- Service network", "/ENFuWuZhiChi/Service_network/");
		menu4.addItem("- Data Download", "/enFuWuXiaZai/");
		
						
		

		mtDropDown.renderAll();
	}