if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) 
{
    document.writeln('<style type="text/css">img, input.image { visibility:hidden; } </style>');
    window.attachEvent("onload", fnLoadPngs);
}


function QSObject(querystring) {
    //Create regular expression object to retrieve the qs part 
    var qsReg = new RegExp("[?][^#]*", "i");
    hRef = unescape(querystring);
    var qsMatch = hRef.match(qsReg);

    //removes the question mark from the url 
    qsMatch = new String(qsMatch);
    qsMatch = qsMatch.substr(1, qsMatch.length - 1);

    //split it up 
    var rootArr = qsMatch.split("&");
    for (i = 0; i < rootArr.length; i++) {
        var tempArr = rootArr[i].split("=");
        if (tempArr.length == 2) {
            tempArr[0] = unescape(tempArr[0]);
            tempArr[1] = unescape(tempArr[1]);

            this[tempArr[0]] = tempArr[1];
        }
    }
} 

function fnLoadPngs() 
{
    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) 
        {
            fnFixPng(img);

            img.attachEvent("onpropertychange", fnPropertyChanged);
        }
        img.style.visibility = "visible";
    }

    var nl = document.getElementsByTagName("INPUT");

    for (var i = nl.length - 1, e = null; (e = nl[i]); i--) 
    {
        if (e.className && e.className.match(/\bimage\b/i) != null) 
        {
            if (e.src.match(/\.png$/i) != null) {
                fnFixPng(e);
                e.attachEvent("onpropertychange", fnPropertyChanged);
            }
            e.style.visibility = "visible";
        }
    }
}

function fnPropertyChanged() 
{
    if (window.event.propertyName == "src") 
    {
        var el = window.event.srcElement;

        if (!el.src.match(/x\.gif$/i)) 
        {
            el.filters.item(0).src = el.src;

            var scriptSrc = document.getElementById("dnnScript").src.toLowerCase();
            qs = new QSObject(scriptSrc);

            el.src = qs.param1 + "trans.gif";
        }
    }
}


function dbg(o) {
    var s = "";

    var i = 0;
    for (var p in o) {

        s += p + ": " + o[p] + "\n";

        if (++i % 10 == 0) {
            alert(s);
            s = "";
        }
    }
    alert(s);
}

function fnFixPng(img) {
    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')"

    var scriptSrc = document.getElementById("dnnScript").src.toLowerCase();
    qs = new QSObject(scriptSrc);

    img.src = qs.param1 + "trans.gif";

}