if (mtDropDown.isSupported()) {


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


		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 本科生教学", "/jx1.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 研究生教学", "/jx2.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 进修生教学", "/jx3.asp");
		menu1.addItem("- 其它", "/jx4.asp"); // send no URL if nothing should happen onclick

		

							
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 项目简介", "/ky1.asp"); // send no URL if nothing should happen onclick
		menu2.addItem("- 论文", "/ky2.asp"); // send no URL if nothing should happen onclick
		menu2.addItem("- 著作", "/ky3.asp"); // send no URL if nothing should happen onclick
		menu2.addItem("- 其它", "/ky4.asp");

//第三菜单                
	        
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 专业委员会", "/kfyxh1.asp"); // send no URL if nothing should happen onclick
		menu3.addItem("- 新闻动态", "/kfyxh2.asp"); // send no URL if nothing should happen onclick
		menu3.addItem("- 通知", "/kfyxh3.asp"); // send no URL if nothing should happen onclick


//第四菜单		
	
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 新闻动态", "/kfjc1.asp"); // send no URL if nothing should happen onclick
		menu4.addItem("- 通知", "/kfjc2.asp"); // send no URL if nothing should happen onclick
		
		


	
		mtDropDown.renderAll();
	}