function setH()
   {
      if (document.documentElement && document.documentElement.clientHeight)
         H=document.documentElement.clientHeight;
      else
         H=document.body.clientHeight;
      obj=document.getElementById('content')
      tabH=Math.max(obj.offsetHeight,H)-obj.offsetTop-173;
      try {document.getElementById('scroll').style.height=tabH+'px';} catch (c) {};
   }

  onload=setH;
  onresize=setH;