ifclass JExtendedTabbedPane
  svoid selectTab(JExtendedTabbedPane tabs, int idx) {
    if (tabs != null) swing {
      tabs.setSelectedIndex(idx);
    }
  }
endif

svoid selectTab(JTabbedPane tabs, int idx) {
  if (tabs != null) swing {
    tabs.setSelectedIndex(idx);
  }
}