function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
{
  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--;
    }
  }
}
if(typeof window.attachEvent != 'undefined') window.attachEvent("onload", correctPNG);