<script>
$(function() {
  // Show selected style on nav item
  $('.b-nav__docs').addClass('selected');

  // Display docs subnav items
  if (!$('.b-nav__docs').parent().hasClass('nav__item__with__subs--expanded')) {
    $('.b-nav__docs').parent().toggleClass('nav__item__with__subs--expanded');
  }
});
</script>