<!--
  
function mOpen(menu_No) 
{
    showBox=document.all.box[menu_No];
    showBox.style.visibility = "visible";
    showBox.style.top = 24;    // 出現的高度
    var items = 5;
    for (i=0; i<items; i++) 
    {
          
      if(i == menu_No)
      {
       document.all.box[i].style.visibility ="visible";
      }
      else
      {
       document.all.box[i].style.visibility ="hidden";
      }
    }
}

function mClose() 
{
  var items = 5;
  for (i=0; i<items; i++) 
  {
    document.all.box[i].style.visibility="hidden";
  }
}
//-->