$(document).ready(function() {
  $('#topics-toggle-button').click(function() {
    if ($('#topics-list').css('display') == 'none') {
      $(this).html('Hide Topics');
      $('#topics-list').slideDown(1000);
    } else {
      $(this).html('Show Topics');
      $('#topics-list').slideUp(1000);
    }
    return false;
  });
});