function MBar_select_menu(id,attr) {
  if(attr != 'OCG_HLP') {
    document.form.MBar_menu_id.value = id;
    switch(attr) {
    case 'OCG':
      document.form.action_performed.value = 'App_default';
      break;
    case 'OCG_SS':
      document.form.action_performed.value = 'SS_mode_activated';
      break;
    case 'OCG_UC':
      document.form.action_performed.value = 'MBar_edit_contact';
      break;
    case 'OCG_UA':
      document.form.action_performed.value = 'MBar_edit_user';
      break;
    case 'OCG_AA':
      document.form.action_performed.value = 'MBar_edit_app';
      break;
    }
    if (document.form.LBuck_active_id)
      document.form.LBuck_active_id.value = '0';
    submit_form();
  } else {
    openWin(gettext('MBAR_JS_HELP_FILENAME'));
  }
}