Drupal JS behaviour: Hide text format information, openable on "more info" link.

textFormatImprovements.behaviors.js

(function ($) {
  Drupal.behaviors.TextFormatImprovments = {
    attach: function (context, settings) {
      // help removing the text-markup infos
      // hide all guides and also the text formatter selection
      $('.form-type-select', '.text-format-wrapper').hide();
      $('.filter-guidelines', '.text-format-wrapper').hide();
      // make the info link opening the guides
      var FilterGuidesLink = $('.filter-help', '.text-format-wrapper');
      FilterGuidesLink.click(function(e){
        e.preventDefault();
        $(this).next('.form-type-select').slideToggle();
        $(this).nextAll('.filter-guidelines').slideToggle();
      });
    }
  };
})(jQuery);