function _png(element,img) {
  if (element.name==img) return true;
  else
  {
    element.name=img;
    var supported = /MSIE/.test(navigator.userAgent) && navigator.platform == "Win32";
    blankSrc = "/images/spacer.gif";
    ie5 = /MSIE 5/.test(navigator.userAgent) && navigator.platform == "Win32";
    if (supported && !ie5 && br.name!="Opera") fixImage(element,img);

    if (ie5) fixie5(element,img);

    if ((!supported && !ie5) || br.name=="Opera")
    {
      element.src = img;
    }
  return true;
  }
}

function fixie5(element,img) {
    var src = img;
    src = src.substring(0,src.length-3);
    src = src + "gif";
    element.src = src;
}



function fixImage(element,img) {
   // get src
   var src = img;

   // test for png
   if ( /\.png$/.test(src.toLowerCase() ) ) {
      element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
   }
   else {
      // remove filter
      element.runtimeStyle.filter = "";
   }
}