if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- Brief Introduction","brief.htm");	
		menu1.addItem("- History of DUT","history.htm");	
		
		
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- Degree","degree.htm"); // send no URL if nothing should happen onclick
		menu2.addItem("- Schools&Departments","schools.htm");	
		menu2.addItem("- Faculty","faculty.htm"); // send no URL if nothing should happen onclick
		
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- International Students","international.htm");	
	    menu3.addItem("- Library","library.htm");	



		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- Overview","overview.htm"); // send no URL if nothing should happen onclick
		menu4.addItem("- Labs","labs.htm");	
		menu4.addItem("- Institutes","institutes.htm");	

		//var menu4 = ms.addMenu(document.getElementById("menu4"));
		//menu4.addItem("- 招生","zsjz.htm"); // send no URL if nothing should happen onclick
	    //menu4.addItem("- 最新信息","zxxx.htm");	
	    //menu4.addItem("- 培养管理","pygl.htm");	
		//menu4.addItem("- 办公指南","bgzn.htm");	
		//menu4.addItem("- 常用表格","cybg.htm");	
		//menu4.addItem("- 教学讲义","jxjy.htm");	
		//menu4.addItem("- 专业书架","zysj.htm");	
		//menu4.addItem("- 就业信息","jyxx.htm");	
		//menu4.addItem("- 群信息","qxx.htm");	
		
		

mtDropDown.renderAll();
	}