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;品牌里程&nbsp;&nbsp;", "about.asp");
  menu1.addItem("&nbsp;&nbsp;品牌文化&nbsp;&nbsp;", "culture.asp");
  menu1.addItem("&nbsp;&nbsp;加入我們&nbsp;&nbsp;", "job.asp");

 
  
  var menu2 = ms.addMenu(document.getElementById("menu2"));
  menu2.addItem("&nbsp;&nbsp;專業洗護系列&nbsp;&nbsp;", "products.asp?pId=1");
  menu2.addItem("&nbsp;&nbsp;深層修復系列&nbsp;&nbsp;", "products.asp?pId=2");
  menu2.addItem("&nbsp;&nbsp;日常護理造型系列&nbsp;&nbsp;", "products.asp?pId=3");
  menu2.addItem("&nbsp;&nbsp;電燙系列&nbsp;&nbsp;", "products.asp?pId=4");
     menu2.addItem("&nbsp;&nbsp;染膏系列&nbsp;&nbsp;", "products.asp?pId=6");
     menu2.addItem("&nbsp;&nbsp;身體護理系列&nbsp;&nbsp;", "products.asp?pId=5");


  
    var menu3 = ms.addMenu(document.getElementById("menu3"));
  menu3.addItem("&nbsp;&nbsp;頭髮的類型&nbsp;&nbsp;", "know.asp");
  menu3.addItem("&nbsp;&nbsp;頭髮的結構&nbsp;&nbsp;", "know1.asp");
menu3.addItem("&nbsp;&nbsp;頭髮的正確保養&nbsp;&nbsp;", "know2.asp");

 var menu4 = ms.addMenu(document.getElementById("menu4"));
  menu4.addItem("&nbsp;&nbsp;行業新聞&nbsp;&nbsp;", "news.asp?pId=1");
  menu4.addItem("&nbsp;&nbsp;公司動向&nbsp;&nbsp;", "news.asp?pId=2");
   menu4.addItem("&nbsp;&nbsp;展會信息&nbsp;&nbsp;", "news.asp?pId=3");
  
  mtDropDown.renderAll();
 }