var isMSIE55 = (window.showModalDialog && window.clipboardData && window.createPopup);

  function fixPngImg ( obj ) {
    if (isMSIE55) {
      var imageUrl = obj.src;
      var height = obj.height;
      var width = obj.width;
      if (imageUrl.substr(imageUrl.length-4).toLowerCase() == '.png') {
        obj.outerHTML = "<span class='" + obj.className + "' alt='" + obj.alt + "' title='" + obj.title + "' style='filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=" + imageUrl + ");'></span>";
      }
    }
  }
  
  function fixPngDiv ( obj ) {
    if (isMSIE55) {
      var imageUrl = obj.style.backgroundImage;
      imageUrl = imageUrl.substr(4);
      imageUrl = imageUrl.substr(0,imageUrl.length-1);
      if (imageUrl.substr(imageUrl.length-4).toLowerCase() == '.png') {
        obj.style.backgroundImage = 'none';
        obj.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=' + imageUrl + ')';
      }
    }
  }