if (mtDropDown.isSupported()) {
		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);
			var menu1 = ms.addMenu(document.getElementById("menu1"));
			menu1.addItem("<li> 学校简介","Class.asp?ClassId=4");
			menu1.addItem("<li> 办学理念","Class.asp?ClassId=7");
			menu1.addItem("<li> 校训、校徽、校歌","Class.asp?ClassId=45");
			menu1.addItem("<li> 学校荣誉","Class.asp?ClassId=6");
			menu1.addItem("<li> 领导班子","Class.asp?ClassId=5");
			var menu3 = ms.addMenu(document.getElementById("menu3"));
			menu3.addItem("<li> 校长室","Class.asp?ClassId=47");
			menu3.addItem("<li> 党建工作","Class.asp?ClassId=48");
			menu3.addItem("<li> 工会工作","Class.asp?ClassId=49");
			menu3.addItem("<li> 教导工作","Class.asp?ClassId=50");
			menu3.addItem("<li> 德育、少先队工作","Class.asp?ClassId=19");
			menu3.addItem("<li> 安全、后勤工作","Class.asp?ClassId=51");
			var menu6 = ms.addMenu(document.getElementById("menu6"));
			menu6.addItem("<li> 快乐学堂","Class.asp?ClassId=28");
			menu6.addItem("<li> 作品展示","Class.asp?ClassId=41");
			var menu7 = ms.addMenu(document.getElementById("menu7"));
			menu7.addItem("<li> 教师风采","Class.asp?ClassId=23");
			menu7.addItem("<li> 教师荣誉","Class.asp?ClassId=22");
			menu7.addItem("<li> 名师风采","Class.asp?ClassId=55");
			menu7.addItem("<li> 教师活动","Class.asp?ClassId=56");
			menu7.addItem("<li> 教师课件","Class.asp?ClassId=57");
			menu7.addItem("<li> 教师文集","Class.asp?ClassId=24");
			var menu9 = ms.addMenu(document.getElementById("menu9"));
			menu9.addItem("<li> 软件","Class.asp?ClassId=60");
			menu9.addItem("<li> 课件","Class.asp?ClassId=61");
			menu9.addItem("<li> 音频","Class.asp?ClassId=62");
		mtDropDown.renderAll();
	}