if (/MSIE [56].*Windows/.test(navigator.userAgent)) (function() {
    var blank = new Image;
    blank.src = 'Images/blank.gif';
    var imgs = document.getElementsByTagName("img");
    for (var i = imgs.length; --i >= 0; ) {
        var img = imgs[i];
        var src = img.src;
        if (!/\.png$/.test(src))
            continue;
        var s = img.runtimeStyle;
        s.width = img.offsetWidth + "px";
        s.height = img.offsetHeight + "px";
        s.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
        img.src = blank.src;
    }
})();