function PNG_loader() {
   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;";
       if (img.align == "right") imgStyle += "float:right;";
       if (img.parentElement.href) imgStyle += "cursor:hand;";
       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='scale');\"></span>";
       img.outerHTML = strNewHTML;
       i--;
     }
   }
 }
 window.attachEvent("onload", PNG_loader);