function fixPngTransparency(obj)
{
 if (document.body.filters)
 {
  var arVersion = navigator.appVersion.split("MSIE");
  var version = parseFloat(arVersion[1]);
  if ((version >= 5.5) && (version < 7))
  {
   pattern=/menu.php|.png/gi
   filterFix="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+obj.src+"',sizingMethod='scale');";
   if(obj.src.search(pattern)!=-1)
   {
    obj.style.width = obj.offsetWidth + "px";
    obj.style.height = obj.offsetHeight + "px";
    obj.style.filter = filterFix;
    obj.src = "/theme/blank.gif";
   }
  }
 }
}