if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent && navigator.userAgent.indexOf("Opera")==-1)
{
    document.writeln('<style type="text/css">img { visibility:hidden; } </style>');
    window.attachEvent("onload", LoadPng);
}
 
function LoadPng()
{
    var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
    var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
 
    for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--)
    {
        if (itsAllGood && img.src.match(/\.png$/i) != null)
        {
            var src = img.src;
            img.style.width = img.width + "px";
            img.style.height = img.height + "px";
            img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
            img.src = "1px.gif";
        }
        img.style.visibility = "visible";
    }
}