function SourceDownloadProgressChanged(s, e) {
    var bartext = s.findname("bartext");
    var bar = s.findname("bar");
    if (bartext != null || bar != null) {
        var value = Math.round(e.progress * 100)
        bartext.Text = value + "%";
        var newWidth = 1.5 * value;
        bar.Width = Math.round(newWidth)
    }
}