function SetCwinHeight(obj) {

    var cwin = obj;
  if (document.getElementById)
  {
    if (cwin && !window.opera)
    {
      if (cwin.contentDocument && cwin.contentDocument.body.offsetHeight)
        cwin.height = cwin.contentDocument.body.offsetHeight;
      else if(cwin.Document && cwin.Document.body.scrollHeight)
        cwin.height = cwin.Document.body.scrollHeight;
    }
  }
}