if (mtDropDown.isSupported()) {
  var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, 

mtDropDown.reference.bottomLeft);
  var menu1 = ms.addMenu(document.getElementById("menu1"));
  menu1.addItem("&nbsp;&nbsp;&nbsp;公司简介&nbsp;&nbsp;&nbsp;", "about.asp");
  menu1.addItem("&nbsp;&nbsp;&nbsp;企业文化&nbsp;&nbsp;&nbsp;", "about.asp?id=33");
  menu1.addItem("&nbsp;&nbsp;&nbsp;服务中心&nbsp;&nbsp;&nbsp;", "about.asp?id=29");
  menu1.addItem("&nbsp;&nbsp;&nbsp;销售网络&nbsp;&nbsp;&nbsp;", "about.asp?id=31");  
  
  var menu2 = ms.addMenu(document.getElementById("menu2"));
  menu2.addItem("&nbsp;&nbsp;凹版制版设备系列&nbsp;&nbsp;", "ProductList.asp?SortID=66&SortPath=0,66,");
  menu2.addItem("&nbsp;&nbsp;印刷配套设备&nbsp;&nbsp;", "ProductList.asp?SortID=70&SortPath=0,70,");
  menu2.addItem("&nbsp;&nbsp;印刷耗材&nbsp;&nbsp;", "ProductList.asp?SortID=71&SortPath=0,71,");
  menu2.addItem("&nbsp;&nbsp;粘度控制器专题&nbsp;&nbsp;", "ProductView.asp?ID=337&SortID=86");
  


  

  
  mtDropDown.renderAll();
 }