// correctly handle PNG transparency in Win IE 5.5 or higher
function correctPNG() {
  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='scale');\"></span>";
      img.outerHTML = strNewHTML;
      i = i-1;
    }
  }
}

// IE only
if (navigator.appName == "Microsoft Internet Explorer") {
  if (navigator.userAgent.indexOf("Opera") == -1) {
    window.attachEvent("onload", correctPNG);
  }
}