     {
         _contentType = ct;
     }
-
+    
     //----------------------------------
     //  showBusyCursor
     //----------------------------------

        _concurrency = c;
    }

    /**
     *  @private
     */

        if (_directChannelSet == null)
        {
            var dcs:ChannelSet = new ChannelSet();
            var dhc:DirectHTTPChannel = new DirectHTTPChannel("direct_http_channel");
            dhc.requestTimeout = requestTimeout;
            dcs.addChannel(dhc);
            _directChannelSet = dcs;            
        }
        return _directChannelSet;  
