public static void drbdWeb(string oldpath, string newpath)
        {
            WebRequest wreq = WebRequest.Create(oldpath);
            HttpWebResponse wresp = (HttpWebResponse)wreq.GetResponse();
            Stream s = wresp.GetResponseStream();
            System.Drawing.Image img;
            img = System.Drawing.Image.FromStream(s);
            img.Save(newpath);
        }