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

  var menu2 = ms.addMenu(document.getElementById("menu2"));
  menu2.addItem("- ITAT之路","/aboutus.asp?newsid=69"); 
  menu2.addItem("- ITAT理念","/aboutus.asp?newsid=70"); 
  menu2.addItem("- ITAT文化","/civilization.asp?isSort=4"); 

  var menu3 = ms.addMenu(document.getElementById("menu3"));
  menu3.addItem("- ITAT新闻","/Newsmore.asp?isSort=1"); 
  menu3.addItem("- 媒体信息","/Newsmore.asp?isSort=3"); 

  var menu4 = ms.addMenu(document.getElementById("menu4"));
  menu4.addItem("- 连锁会员店","#"); 

  var subMenu4 = menu4.addMenu(menu4.items[0]);
  subMenu4.addItem("- 店铺形象","/ChainList.asp"); 
  menu4.addItem("- 会员俱乐部","#"); 

  var subMenu4 = menu4.addMenu(menu4.items[1]);
  subMenu4.addItem("- 店铺形象","/club/ChainList.asp"); 
  menu4.addItem("- Fashion ITAT","#"); 

  var subMenu4 = menu4.addMenu(menu4.items[2]);
  subMenu4.addItem("- 店铺形象","/fashion/ChainList.asp"); 

  var menu5 = ms.addMenu(document.getElementById("menu5"));
  menu5.addItem("- 会员章程","/member.asp?newsId=73"); 
  menu5.addItem("- FASHION ITAT会员章程","/member.asp?newsId=623"); 
  menu5.addItem("- 会员权益","/member.asp?newsId=74"); 
  menu5.addItem("- 会员活动","/Huodong.asp?isSort=8"); 
  menu5.addItem("- 会员积分","/member.asp?newsId=76"); 
  menu5.addItem("- 会员热线","/member.asp?newsId=116"); 

  var menu7 = ms.addMenu(document.getElementById("menu7"));
  menu7.addItem("- 联系方式","/ContactUs.asp?newsId=77"); 
  menu7.addItem("- 留言箱","/Feedback.asp"); 
 mtDropDown.renderAll();
}