function ajustaFrame(frame)  { 
  if (document.all) {
  var w = frame.document.body.scrollWidth;
  var h = frame.document.body.scrollHeight;
 
  if(frame.document.body.scrollWidth > frame.document.body.offsetWidth) {
   document.all[frame.name].height = h + 30;
  }
  else {
   document.all[frame.name].height = h;
  }

   }
   else if (document.getElementById) {
  var w = frame.document.width;
  var h = frame.document.height;
  if(frame.document.body.scrollWidth > frame.document.body.offsetWidth)  {
   document.getElementById(frame.name).height = h + 30;
    }
  else  {
   document.getElementById(frame.name).height = h;
    }
   }
   return false;
}