Script that takes care of the primary dropdowns on the main header nav.

header.js

(function($, window, document) {
  
  function toggleMenus() {

    $('.reveal_js--trigger[data-target="drop1"][data-action="toggle"]').on('click', function(e) {

      var clicked_obj = $(this),
        target = clicked_obj.data('target'),
        target_obj = $('.reveal_js--content[data-content="' + target + '"]'),
        header_obj = $('#header'),
        body_element = $('body'),
        window_element = $(window),
        window_top = window_element.scrollTop(),
        body_top = parseInt(body_element.css('top'), 10),
        pos = body_top * -1;

      e.preventDefault();

      if (header_obj.hasClass('stuck')) {
        header_obj.addClass('active');
        target_obj.addClass('stuck');
      }
      else if (!header_obj.hasClass('stuck')) {
        target_obj.removeClass('stuck');
      }

      // Close all open menus & reset icons
      $('.reveal_js--content:not([data-content="' + target + '"])').addClass('closed');
      $('.reveal_js--content[data-content="see_more"]').removeClass('drop_transition3');
      $('.reveal_js--trigger:not([data-target="' + target + '"]).icon--close').removeClass('icon--close');

      //open the menu
      if (target_obj.hasClass('closed')){
        clicked_obj.addClass('icon--close');
        target_obj.removeClass('closed');
        if(header_obj.hasClass('stuck')){
           target_obj.css('top', header_obj.height() - 58);
        }
        else if (!window_element.scrollTop()){
          target_obj.css('top', ($('#banner').height() - $(window).scrollTop()) + ($('#header--primary').height() - 17)); // This is only done to handle when an ad is displayed. The position of the search menu when the menu is stuck, is all done in CSS.
        }
        else {
          target_obj.css('top', header_obj.offset().top + $('#header--primary').height() - 20);
        }

         if (!body_element.hasClass('menu--open')) {
           body_element.addClass('menu--open');
           body_element.css('top', -window_top);
         }
      //close the menu;
      } else {
        target_obj.addClass('closed');
        clicked_obj.removeClass('icon--close');

        if (body_element.hasClass('menu--open')) {
          body_element.removeClass('menu--open');
          window_element.scrollTop(pos);
          body_element.css('top', 'auto');
        }
      }
    });

    // Guides Menu
    $('.reveal_js--trigger[data-target="drop2"][data-action="toggle"]').on('click', function(e) {

      var clicked_obj = $(this),
        target = clicked_obj.data('target'),
        target_obj = $('.reveal_js--content[data-content="' + target + '"]'),
        guides_icon = $('.guides span'),
        header_obj = $('#header'),
        body_element = $('body'),
        window_element = $(window),
        window_top = window_element.scrollTop(),
        body_top = parseInt(body_element.css('top'), 10),
        pos = body_top * -1;

      e.preventDefault();

      if (header_obj.hasClass('stuck')) {
        header_obj.addClass('active');
        target_obj.addClass('stuck');
      }
      else if (!header_obj.hasClass('stuck')) {
        target_obj.removeClass('stuck');
      }

      // Close all open menus & revert icons to arrow & remove top value
      $('.reveal_js--content:not([data-content="' + target + '"])').addClass('closed');
      $('.reveal_js--content[data-target="see_more"]').removeClass('drop_transition3');
      $('.reveal_js--trigger:not([data-target="' + target + '"]).icon--close').removeClass('icon--close');

      //open menu
      if (target_obj.hasClass('closed')){
       clicked_obj.addClass('icon--close');
       target_obj.removeClass('closed');
         if(header_obj.hasClass('stuck')){
            target_obj.css('top', header_obj.height() - 58);
         }
         else if (!window_element.scrollTop()){
           target_obj.css('top', ($('#banner').height() - $(window).scrollTop()) + ($('#header--primary').height() - 17)); // This is only done to handle when an ad is displayed. The position of the search menu when the menu is stuck, is all done in CSS.
         }
         else {
           target_obj.css('top', header_obj.offset().top + $('#header--primary').height() - 20);
         }
         if (!body_element.hasClass('menu--open')) {
           body_element.addClass('menu--open');
           body_element.css('top', -window_top);
         }
      //close the menu;
      } else {
        target_obj.addClass('closed');
        clicked_obj.removeClass('icon--close');

        if (body_element.hasClass('menu--open')) {
          body_element.removeClass('menu--open');
          window_element.scrollTop(pos);
          body_element.css('top', 'auto');
        }
      }
    });

    // Secondary Menu, More

    $('.reveal_js--trigger[data-target="see_more"][data-action="toggle"]').on('click', function(e) {

      var clicked_obj = $(this),
        target = $(this).data('target'),
        target_obj = $('.reveal_js--content[data-content="' + target + '"]'),
        body_element = $('body'),
        window_element = $(window),
        window_top = window_element.scrollTop(),
        more_icon = $('.open-more span');

      e.preventDefault();

      // Close all open menus & revert icons to arrow & remove top CSS so it can be applied to this div
      $('.reveal_js--content:not([data-content="' + target + '"])').addClass('closed');
      $('.reveal_js--trigger:not([data-target="' + target + '"])').removeClass('icon--close');

      //open the menu
      if (!target_obj.hasClass('drop_transition3')) {
        target_obj.removeClass('closed').addClass('drop_transition3');
        clicked_obj.addClass('icon--close');
        if (body_element.hasClass('menu--open')) {
          body_element.removeClass('menu--open').css('top', -window_top);
        }
      //close the menu
      } else {
        target_obj.removeClass('drop_transition3').addClass('closed');
        clicked_obj.removeClass('icon--close');
      }
    });

  }

  toggleMenus();

})(jQuery, this, this.document);