public void CloseSession(string sessionKey)
        {
            //encrypt login and password
            string loginName = "";
            string pass = "";
            getloginAndPass(UserId, ref loginName, ref pass);
            string _url = getWSUrl(this.Url);

            RepositoryWebservice repo = new RepositoryWebservice(_url);
            repo.CloseSession(sessionKey, loginName, pass);

            /*
            Resource r = new Resource();
            r.TemporaryStoragePath = "/app_data/courier/temp_log.temp";

            byte[] remoteLog = Convert.FromBase64String( repo.GetResourceContents(sessionKey, null, "", r, loginName, pass));
            repo.Dispose();

            string path = Context.Current.MapPath(Core.Settings.logsPath) + Core.Helpers.IO.DirSepChar + sessionKey + ".remotelog";

            System.IO.File.WriteAllBytes(path, remoteLog);
            */

            RevisionLog.Instance.AddRevisionEntry(this.GetType(), "ExtractRevisions", "Session closed", LogItemEntryType.Information);
        }