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;" + 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;
      }
   }
}
window.attachEvent("onload", correctPNG);
if (navigator.platform == "Win32"&& navigator.appName == "Microsoft Internet Explorer" && window.attachEvent)
{
   window.attachEvent("onload", alphaBackgrounds);
}
function alphaBackgrounds()
{
   var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
   var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
   for (i=0; i<document.all.length; i++)
   {
      var bg = document.all[i].currentStyle.backgroundImage;
      if (itsAllGood && bg)
      {
         if (bg.match(/\.png/i) != null)
         {
            var mypng = bg.substring(5,bg.length-2);
            document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+mypng+"', sizingMethod='scale')";
            document.all[i].style.backgroundImage = "url('/assets/images/x.gif')";
         }
      }
   }
}