var ua = navigator.userAgent.toLowerCase();
var ie = ( (ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1) );
var version = parseFloat(navigator.appVersion);

function correctPNG() {
   var arVersion = navigator.appVersion.split("MSIE");
   var version = parseFloat(arVersion[1]);
   if ((version >= 5.5 && version < 7) && (document.body.filters)) {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i];
         var imgName = img.src.toLowerCase();
         if (imgName.substring(imgName.length-6, imgName.length) == "_t.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:block;" + img.style.cssText;
            if (img.align == "right") imgStyle = "float:right;" + imgStyle;
            else imgStyle = "float:left;" + 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;
         }
      }
   }

}

if (ie && version < 7) window.attachEvent("onload", correctPNG);