if (mtDropDown.isSupported()) {
  var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);
  var menu1 = ms.addMenu(document.getElementById("menu1"));
  var about_arr=document.getElementsByName("about_menu")
  for(var i=0;i<about_arr.length;i++)
  {
	  menu1.addItem("&nbsp;&nbsp;&nbsp;"+about_arr[i].value+"&nbsp;&nbsp;&nbsp;", "about.asp?id="+about_arr[i].id); 
  }
/*  menu1.addItem("&nbsp;&nbsp;&nbsp;才纳介绍&nbsp;&nbsp;&nbsp;", "about.asp?id=1"); 
  menu1.addItem("&nbsp;&nbsp;&nbsp;才纳文化&nbsp;&nbsp;&nbsp;", "about.asp?id=2");
  menu1.addItem("&nbsp;&nbsp;&nbsp;才纳里程碑&nbsp;&nbsp;&nbsp;", "about.asp?id=3");
  menu1.addItem("&nbsp;&nbsp;&nbsp;才纳荣誉&nbsp;&nbsp;&nbsp;", "about.asp?id=4");
  menu1.addItem("&nbsp;&nbsp;&nbsp;才纳组织&nbsp;&nbsp;&nbsp;", "about.asp?id=5");
  menu1.addItem("&nbsp;&nbsp;&nbsp;才纳顾问&nbsp;&nbsp;&nbsp;", "about.asp?id=6");
  menu1.addItem("&nbsp;&nbsp;&nbsp;联系我们&nbsp;&nbsp;&nbsp;", "about.asp?id=7");*/

  var menu2 = ms.addMenu(document.getElementById("menu2"));
  var pro_arr=document.getElementsByName("pro_menu")
  for(var i=0;i<pro_arr.length;i++)
  {
	  menu2.addItem("&nbsp;&nbsp;&nbsp;"+pro_arr[i].value+"&nbsp;&nbsp;&nbsp;", "products.asp?cid="+pro_arr[i].id); 
  }
/*  menu2.addItem("&nbsp;&nbsp;&nbsp;电子标签封装设备&nbsp;&nbsp;&nbsp;", "products.asp"); 
  menu2.addItem("&nbsp;&nbsp;&nbsp;半导体设备&nbsp;&nbsp;&nbsp;", "products.asp"); 
  menu2.addItem("&nbsp;&nbsp;&nbsp;工业自动化设备&nbsp;&nbsp;&nbsp;", "products.asp"); 
  menu2.addItem("&nbsp;&nbsp;&nbsp;所有产品&nbsp;&nbsp;&nbsp;", "products.asp"); */
  
  var menu3 = ms.addMenu(document.getElementById("menu3"));
  menu3.addItem("&nbsp;&nbsp;&nbsp;公司动态&nbsp;&nbsp;&nbsp;", "nsList.asp");
  menu3.addItem("&nbsp;&nbsp;&nbsp;行业资讯&nbsp;&nbsp;&nbsp;", "hyList.asp");
  
  var menu4 = ms.addMenu(document.getElementById("menu4"));
  menu4.addItem("&nbsp;&nbsp;&nbsp;技术支持&nbsp;&nbsp;&nbsp;", "support.asp?id=8");
  menu4.addItem("&nbsp;&nbsp;&nbsp;下载专区&nbsp;&nbsp;&nbsp;", "download.asp");
  menu4.addItem("&nbsp;&nbsp;&nbsp;售后服务&nbsp;&nbsp;&nbsp;", "support.asp?id=9");
  menu4.addItem("&nbsp;&nbsp;&nbsp;客户留言&nbsp;&nbsp;&nbsp;", "message.asp");
    
  var menu5 = ms.addMenu(document.getElementById("menu5"));
  menu5.addItem("&nbsp;&nbsp;&nbsp;成功案例&nbsp;&nbsp;&nbsp;", "A.asp");
  menu5.addItem("&nbsp;&nbsp;&nbsp;案例图片&nbsp;&nbsp;&nbsp;", "B.asp");
  
  var menu6 = ms.addMenu(document.getElementById("menu6"));
  menu6.addItem("&nbsp;&nbsp;&nbsp;招聘信息&nbsp;&nbsp;&nbsp;", "HR.asp");
  menu6.addItem("&nbsp;&nbsp;&nbsp;人才理念&nbsp;&nbsp;&nbsp;", "view.asp");
    
  mtDropDown.renderAll();
 }