function bits_menu()
{
  _menu_top('List of Bits', 'bits/menu.gif')
  _option('Home bit', 'home/menu.jpg', 'home/index.html', 'Home pages', false)
  _option('Computers bit', 'computers/menu.gif', 'computers/index.html', 'Computers and technology', false)
  _option('Nations bit', 'nations/menu.jpg', 'nations/index.html', 'Nationalism, internationalism, and micronationalism', false)
  _option('Ideas bit', 'ideas/menu.gif', 'ideas/index.html', 'Philosophy and politics', false)
  _menu_bottom()
}