if (mtDropDown.isSupported()) {
  var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 5, 

mtDropDown.reference.bottomLeft);
  var menu1 = ms.addMenu(document.getElementById("menu1"));
  menu1.addItem("&nbsp;&nbsp;&nbsp;学校简介&nbsp;&nbsp;", "http://www.dseduc.com/Disp.Aspx?ID=18&ClassID=1");
  menu1.addItem("&nbsp;&nbsp;&nbsp;校园风貌&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=7");
  menu1.addItem("&nbsp;&nbsp;&nbsp;校徽校训&nbsp;&nbsp;", "http://www.dseduc.com/Disp.Aspx?ID=19&ClassID=1");
  menu1.addItem("&nbsp;&nbsp;&nbsp;校 歌&nbsp;&nbsp;", "http://www.dseduc.com/Disp.Aspx?ID=20&ClassID=1");
  
  var menu2 = ms.addMenu(document.getElementById("menu2"));
  menu2.addItem("&nbsp;&nbsp;&nbsp;创新教学模式&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=70");
  menu2.addItem("&nbsp;&nbsp;&nbsp;教学管理 &nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=19");
  menu2.addItem("&nbsp;&nbsp;&nbsp;学生作品 &nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=82");
    
  var menu3 = ms.addMenu(document.getElementById("menu3"));
  menu3.addItem("&nbsp;&nbsp;&nbsp;工作计划 &nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=66");
  menu3.addItem("&nbsp;&nbsp;&nbsp;工作总结&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=67");
  menu3.addItem("&nbsp;&nbsp;&nbsp;规章制度 &nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=68");


  var menu4 = ms.addMenu(document.getElementById("menu4"));
  menu4.addItem("&nbsp;&nbsp;&nbsp;国旗下讲话&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=59");
  menu4.addItem("&nbsp;&nbsp;&nbsp;文明礼仪教育&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=57");
  menu4.addItem("&nbsp;&nbsp;&nbsp;班级文化&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=56");
  menu4.addItem("&nbsp;&nbsp;&nbsp;少先队&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=58");
  menu4.addItem("&nbsp;&nbsp;&nbsp;叙事德育&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=61");
  menu4.addItem("&nbsp;&nbsp;&nbsp;荣誉之窗 &nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=83");
  menu4.addItem("&nbsp;&nbsp;&nbsp;校园先锋 &nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=84");
  menu4.addItem("&nbsp;&nbsp;&nbsp;园丁风范 &nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=85");

  var menu5 = ms.addMenu(document.getElementById("menu5"));
  menu5.addItem("&nbsp;&nbsp;&nbsp;交通安全&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=76");
  menu5.addItem("&nbsp;&nbsp;&nbsp;消防安全&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=77");
  menu5.addItem("&nbsp;&nbsp;&nbsp;饮食安全&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=78");
  menu5.addItem("&nbsp;&nbsp;&nbsp;其 他&nbsp;&nbsp;", "http://www.dseduc.com/List.Aspx?ClassID=79");
 

  
  mtDropDown.renderAll();
 }