if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 关于我们","about.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 服务理念","Idea.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 服务体系","System.asp");
		menu1.addItem("- 联系我们","Contact.asp");	
	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 教学环境", "Huanjing.asp"); 
		menu2.addItem("- 荣誉证书", "Honor.asp"); // send no URL if nothing should happen onclick
		menu2.addItem("- 教师团队", "Shownews.asp?ID=33");
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 美术培训班", "Shownews.asp?ID=43");
		menu3.addItem("- 学员作品", "Shownews.asp?ID=42");	   
		

		
		mtDropDown.renderAll();
	}