return null; 
	this._sendMessage = function(/* object */ message){		if(this.currentTransport && this._connected && this.batch==0){			return this.currentTransport.sendMessages([message]);		}		else{			this._messageQ.push(message);		}	}
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/4cc04beeb7438f9f144821df99ae4b372d6f3594/_base.js/buggy/cometd/_base.js