public void start() {
plug_in = new PlugIn();
plug_in.init();
scene_graph = new SceneGraph();
scene_graph.init();
www_conn = new WWWConnection();
www_conn.init();
update_users();
set_dynamic_usr();
// if(hostsrv != null) user_interface.printInfo(hostsrv);
// user_interface.addInfo(http_port);
}
public void init_scene() {
scene_graph.ClearScene();
plug_in.init_scene();
}