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;&nbsp;网站套餐方案&nbsp;&nbsp;&nbsp;&nbsp;", "/fangan.html");
  menu1.addItem("&nbsp;&nbsp;&nbsp;&nbsp;网站定制方案&nbsp;&nbsp;&nbsp;&nbsp;", "/web_dz.html");
  menu1.addItem("&nbsp;&nbsp;&nbsp;&nbsp;网站推广方案&nbsp;&nbsp;&nbsp;&nbsp;", "/web_tg.html");

 
  
  var menu2 = ms.addMenu(document.getElementById("menu2"));
  menu2.addItem("&nbsp;&nbsp;&nbsp;&nbsp;网站推广&nbsp;&nbsp;&nbsp;&nbsp;", "/pop/");
  menu2.addItem("&nbsp;&nbsp;&nbsp;&nbsp;电子商务政务&nbsp;&nbsp;&nbsp;&nbsp;", "/ele/");
  menu2.addItem("&nbsp;&nbsp;&nbsp;&nbsp;网站建设&nbsp;&nbsp;&nbsp;&nbsp;", "/web/");
  menu2.addItem("&nbsp;&nbsp;&nbsp;&nbsp;FAQ常见问题&nbsp;&nbsp;&nbsp;&nbsp;", "/faq/");

  mtDropDown.renderAll();
 }