Silverlight XAML Primer 10, Listing 2
Creating a Silverlight Downloader instance.
function onLoad(control, context, rootElement)
{
var downloader = control.CreateObject("downloader");
downloader.AddEventListener("DownloadProgressChanged",
onProgressChanged);
downloader.AddEventListener("Completed", onCompleted);
downloader.Open("GET", "Files.zip?" +
new Date()); // Adding date helps avoid file caching
downloader.Send();
}