function enableDropdownMenuForIE()
  {
  if(document.all)
    {
    uls = document.getElementsByTagName('UL');

    for(i = 0; i < uls.length; i++)
      {
      if(uls[i].className == 'dropdown')
        {
        var lis = uls[i].getElementsByTagName('li');

        for (j = 0; j < lis.length; j++)
          {
          if(lis[j].lastChild.tagName == 'UL')
            {
            lis[j].onmouseover = function() { this.lastChild.style.display = 'block'; }
            lis[j].onmouseout = function() { this.lastChild.style.display = 'none'; }
            }
          }
        }
      }
    }
  }