protected function joinRoomHandler(event:JoinRoomEvent):void {
                es.engine.removeEventListener( MessageType.JoinRoomEvent.name, joinRoomHandler );
                trace( 'joinRoomHandler: ' + 'zoneID: ' + event.zoneId + ' & roomID: ' + event.roomId );

                room = es.managerHelper.zoneManager.zoneById( event.zoneId ).roomById( event.roomId );

                trace('joinRoomHandler: Room ' + room);
                trace( 'room id: ' + room.id );

                letters = [];
                if( room.roomVariables.length == 0 ){

                    for( var i:uint = 0; i < 30; i++){
                        var req:CreateRoomVariableRequest = new CreateRoomVariableRequest();
                        req.zoneId = room.zoneId;
                        req.roomId = room.id;
                        req.name = "letter-" +i;
                        req.value = new EsObject();
                        req.value.setInteger( "x", Math.random() * 800 );
                        req.value.setInteger( "y", Math.random() * 600 );
                        req.value.setString( "id", req.name );
                        req.value.setString( "letter", String.fromCharCode(  + Math.round(Math.random() * (zCode - aCode))));
                        letters.push( req.value );

                        trace( 'zcode: '+ zCode , 'acode: '+ aCode );
                        trace( 'requestvalue: ' + req.value);
                        es.engine.send( req );
                    }

                    trace( 'letters: '+ letters.length);


                } else {
                        trace('roomVariables != 0');
                        for each( var roomVar:RoomVariable in room.roomVariables) {
                            trace(roomVar.name, roomVar.value);
                            letters.push(roomVar.value);
                        }

                        for each( var letterInfo:EsObject in letters ) {
                            var letter:Sprite = new Sprite();
                            letter.name = letterInfo.getString("letter");
                            letter.x = letterInfo.getInteger("x");
                            letter.y = letterInfo.getInteger("y");
                            letter.addChild( createLetter( letterInfo.getString( "letter" ) ) );
                            addChild( letter );
                        }
                    }
            }