function DoPngFix() {
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
	
//	if ((version >= 5.5) && (document.body.filters)) 
	if ((version >= 5.5) && (version < 7)) 
	{
	   for(var i=0; i<document.images.length; i++)
	   {
		  var img = document.images[i]
		  var imgName = img.src.toUpperCase()
		  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
		  {
			 var imgGIF = imgName.replace("PNG","GIF")
			 img.src = imgGIF;
			 i = i-1
		  }
	   }
	}
}