heath sotcket

function getPageContent(){  var listener = {    finished : function(data){      //data;	  //alert(data);	  dump(data);    }  }  var room = document.getElementById("lechat");  //room.value = data+"\n";  readAllFromSocket("127.0.0.1",9999,"Who is hey!",listener);  alert(listener);}/*var mlistener = {    finished : function(data){      //data;	  //alert(data);	  dump(data);    }  }*/function readAllFromSocket(host,port,outputData,listener){  try {    var transportService = Components.classes["@mozilla.org/network/socket-transport-service;1"].getService(Components.interfaces.nsISocketTransportService);    alert(transportService);	var transport = transportService.createTransport(null,0,host,port,null);	alert(transport);		var stream = transport.openInputStream(OPEN_UNBUFFERED);	alert(stream);    var instream = Components.classes["@mozilla.org/scriptableinputstream;1"].createInstance(Components.interfaces.nsIScriptableInputStream);	alert(instream);    instream.init(stream);	alert(instram);    var outstream = transport.openOutputStream(OPEN_UNBUFFERED);	alert(outstream);    outstream.write(outputData,outputData.length);	alert(outstream);        var dataListener = {      data : "",      onStartRequest: function(request, context){},      onStopRequest: function(request, context, status){		alert("error" + e.result + ": " + e.message);        instream.close();        outstream.close();        listener.finished(this.data);      },      onDataAvailable: function(request, context, inputStream, offset, count){        this.data += instream.read(count);      },    };    var pump = Components.classes["@mozilla.org/network/input-stream-pump;1"].createInstance(Components.interfaces.nsIInputStreamPump);    pump.init(stream, -1, -1, 0, 0, false);    pump.asyncRead(dataListener,null);  } catch (ex){    return ex;  }  return null;}