var smallTransparentGif = "";
function fixupIEPNG(strImageID, transparentGif) 
{
    smallTransparentGif = transparentGif;
    if (windowsInternetExplorer && (browserVersion < 7))
    {
        var img = document.getElementById(strImageID);
        if (img)
        {
            var src = img.src;
            img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
            img.src = transparentGif;
            img.attachEvent("onpropertychange", imgPropertyChanged);
        }
    }
}

var windowsInternetExplorer = false;
var browserVersion = 0;
function detectBrowser()
{
    windowsInternetExplorer = false;
    var appVersion = navigator.appVersion;
    if ((appVersion.indexOf("MSIE") != -1) &&
        (appVersion.indexOf("Macintosh") == -1))
    {
        var temp = appVersion.split("MSIE");
        browserVersion = parseFloat(temp[1]);
        windowsInternetExplorer = true;
    }
}

function onPageLoad()
{
    detectBrowser();
    fixupIEPNG("id1", "Portfolios_files/transparent.gif");
    fixupIEPNG("id2", "Portfolios_files/transparent.gif");
    fixupIEPNG("id3", "Portfolios_files/transparent.gif");
    fixupIEPNG("id4", "Portfolios_files/transparent.gif");
    fixupIEPNG("id5", "Portfolios_files/transparent.gif");
    fixupIEPNG("id6", "Portfolios_files/transparent.gif");
    fixupIEPNG("id7", "Portfolios_files/transparent.gif");
    fixupIEPNG("id8", "Portfolios_files/transparent.gif");
    fixupIEPNG("id9", "Portfolios_files/transparent.gif");
    fixupIEPNG("id10", "Portfolios_files/transparent.gif");
    fixupIEPNG("id11", "Portfolios_files/transparent.gif");
    fixupIEPNG("id12", "Portfolios_files/transparent.gif");
    fixupIEPNG("id13", "Portfolios_files/transparent.gif");
    fixupIEPNG("id14", "Portfolios_files/transparent.gif");
    fixupIEPNG("id15", "Portfolios_files/transparent.gif");
    fixupIEPNG("id16", "Portfolios_files/transparent.gif");
    fixupIEPNG("id17", "Portfolios_files/transparent.gif");
    fixupIEPNG("id18", "Portfolios_files/transparent.gif");
    fixupIEPNG("id19", "Portfolios_files/transparent.gif");
    fixupIEPNG("id20", "Portfolios_files/transparent.gif");
    fixupIEPNG("id21", "Portfolios_files/transparent.gif");
    fixupIEPNG("id22", "Portfolios_files/transparent.gif");
    fixupIEPNG("id23", "Portfolios_files/transparent.gif");
    fixupIEPNG("id24", "Portfolios_files/transparent.gif");
    fixupIEPNG("id25", "Portfolios_files/transparent.gif");
    fixupIEPNG("id26", "Portfolios_files/transparent.gif");
    fixupIEPNG("id27", "Portfolios_files/transparent.gif");
    fixupIEPNG("id28", "Portfolios_files/transparent.gif");
    fixupIEPNG("id29", "Portfolios_files/transparent.gif");
    fixupIEPNG("id30", "Portfolios_files/transparent.gif");
    fixupIEPNG("id31", "Portfolios_files/transparent.gif");
    fixupIEPNG("id32", "Portfolios_files/transparent.gif");
    fixupIEPNG("id33", "Portfolios_files/transparent.gif");
    fixupIEPNG("id34", "Portfolios_files/transparent.gif");
    fixupIEPNG("id35", "Portfolios_files/transparent.gif");
    fixupIEPNG("id36", "Portfolios_files/transparent.gif");
    fixupIEPNG("id37", "Portfolios_files/transparent.gif");
    fixupIEPNG("id38", "Portfolios_files/transparent.gif");
    fixupIEPNG("id39", "Portfolios_files/transparent.gif");
    fixupIEPNG("id40", "Portfolios_files/transparent.gif");
    fixupIEPNG("id41", "Portfolios_files/transparent.gif");
    fixupIEPNG("id42", "Portfolios_files/transparent.gif");
    fixupIEPNG("id43", "Portfolios_files/transparent.gif");
    fixupIEPNG("id44", "Portfolios_files/transparent.gif");
    fixupIEPNG("id45", "Portfolios_files/transparent.gif");
    fixupIEPNG("id46", "Portfolios_files/transparent.gif");
    fixupIEPNG("id47", "Portfolios_files/transparent.gif");
    fixupIEPNG("id48", "Portfolios_files/transparent.gif");
    fixupIEPNG("id49", "Portfolios_files/transparent.gif");
    fixupIEPNG("id50", "Portfolios_files/transparent.gif");
    fixupIEPNG("id51", "Portfolios_files/transparent.gif");
    fixupIEPNG("id52", "Portfolios_files/transparent.gif");
    fixupIEPNG("id53", "Portfolios_files/transparent.gif");
    fixupIEPNG("id54", "Portfolios_files/transparent.gif");
    fixupIEPNG("id55", "Portfolios_files/transparent.gif");
    fixupIEPNG("id56", "Portfolios_files/transparent.gif");
    fixupIEPNG("id57", "Portfolios_files/transparent.gif");
    fixupIEPNG("id58", "Portfolios_files/transparent.gif");
    fixupIEPNG("id59", "Portfolios_files/transparent.gif");
    fixupIEPNG("id60", "Portfolios_files/transparent.gif");
    fixupIEPNG("id61", "Portfolios_files/transparent.gif");
    fixupIEPNG("id62", "Portfolios_files/transparent.gif");
    fixupIEPNG("id63", "Portfolios_files/transparent.gif");
    fixupIEPNG("id64", "Portfolios_files/transparent.gif");
    fixupIEPNG("id65", "Portfolios_files/transparent.gif");
    fixupIEPNG("id66", "Portfolios_files/transparent.gif");
    fixupIEPNG("id67", "Portfolios_files/transparent.gif");
    fixupIEPNG("id68", "Portfolios_files/transparent.gif");
    fixupIEPNG("id69", "Portfolios_files/transparent.gif");
    fixupIEPNG("id70", "Portfolios_files/transparent.gif");
    fixupIEPNG("id71", "Portfolios_files/transparent.gif");
    fixupIEPNG("id72", "Portfolios_files/transparent.gif");
    fixupIEPNG("id73", "Portfolios_files/transparent.gif");
    fixupIEPNG("id74", "Portfolios_files/transparent.gif");
    fixupIEPNG("id75", "Portfolios_files/transparent.gif");
    fixupIEPNG("id76", "Portfolios_files/transparent.gif");
    fixupIEPNG("id77", "Portfolios_files/transparent.gif");
    fixupIEPNG("id78", "Portfolios_files/transparent.gif");
    fixupIEPNG("id79", "Portfolios_files/transparent.gif");
    fixupIEPNG("id80", "Portfolios_files/transparent.gif");
    fixupIEPNG("id81", "Portfolios_files/transparent.gif");
    fixupIEPNG("id82", "Portfolios_files/transparent.gif");
    fixupIEPNG("id83", "Portfolios_files/transparent.gif");
    fixupIEPNG("id84", "Portfolios_files/transparent.gif");
    return true;
}

var inImgPropertyChanged = false;
function imgPropertyChanged()
{
    if ((window.event.propertyName == "src") && (! inImgPropertyChanged))
    {
        inImgPropertyChanged = true;
        var el = window.event.srcElement;
        if (el.src != smallTransparentGif)
        {
            el.filters.item(0).src = el.src;
            el.src = smallTransparentGif;
        }
        inImgPropertyChanged = false;
    }
}