function fixIEpngImages()
{
    var arVersion = navigator.appVersion.split("MSIE")
    var version = parseFloat(arVersion[1])

    if ((version >= 5.5) && ((version < 7.0)) && document.body.filters) {
       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 imgID      = (img.id) ? "id='" + img.id + "' " : "";
             var imgClass   = (img.className) ? "class='" + img.className + "' " : "";
             var imgTitle   = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
             var imgStyle   = "display:inline-block;" + img.style.cssText;

             if (img.align == "left")       imgStyle = "float:left;" + imgStyle;
             if (img.align == "right")      imgStyle = "float:right;" + imgStyle;
             if (img.parentElement.href)    imgStyle = "cursor:hand;" + imgStyle;

             var strNewHTML = "<span " + imgID + imgClass + imgTitle
                            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
                            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                            + "(src=\'" + img.src + "\', sizingMethod='crop');\"></span>";

             img.outerHTML = strNewHTML;
             i = i-1
          }
       }
    }
}

// add an onload event to automatically fix any pngs
addEvent( window, 'load', function(){if (document.body && document.images) fixIEpngImages();} );