public void addStartUpScript(String pathname){
  _startUpScripts.add(pathname);
  setDirtyAndFirePropertyChange("addStartUpScript",pathname,null);
}

public void addStartUpScript ( String pathname ) { _startUpScripts . add ( pathname ) ; setDirtyAndFirePropertyChange ( "addStartUpScript" , pathname , null ) ; }
add a script to run after trains have been loaded
