function onSourceDownloadProgressChanged(sender, eventArgs) {
    sender.findName("uxStatus").Text = Math.round((eventArgs.progress * 1000)) / 10 + "%";
    //sender.findName("uxProgressBar").ScaleY = eventArgs.progress * 190;

}

function animation_begin(sender, args) {

    sender.findName("Storyboard1").begin();
}