private void sendPreLaunch() {
this.sequencer.sendActivity(this.getParticipants(), new XVRActivityDataObject(this.local_user.getJID(), new XVRAA(XVRActionType.PRELAUNCH)));
}
public void send(XVRAA act){
this.sequencer.sendActivity(this.getParticipants(), new XVRActivityDataObject(this.local_user.getJID(), act));
}