function onSourceDownloadProgressChanged(sender, eventArgs)
{
	var root = document.getElementById("Xaml1").content;
	var rectBar = root.findName("rectBar");
	var rectBorder = root.findName("rectBorder");

	if (eventArgs.progress)
		rectBar.Width = eventArgs.progress * rectBorder.Width;
	else
		rectBar.Width = eventArgs.get_progress() * rectBorder.Width;
}

function onSourceDownloadCompleted(sender, eventArgs)
{
	var root = document.getElementById("Xaml1").content;
	var rectBar = root.findName("rectBar");
	var rectBorder = root.findName("rectBorder");

	rectBar.Width = rectBorder.Width;
}