if (mtDropDown.isSupported()) {
  var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, 

mtDropDown.reference.bottomLeft);
  var menu1 = ms.addMenu(document.getElementById("menu1"));
  menu1.addItem("   圣马家园专区  ", "ProductList.asp?SortID=116&SortPath=0,116,");
  menu1.addItem("   赛得堡专区  ", "ProductList.asp?SortID=124&SortPath=0,124,");

  


  

  
  mtDropDown.renderAll();
 }