text: if (!Berlin) {
      var Berlin = {};
  }
  
  (function ($) {    
      Berlin.dropDown = function(){
          var dropdownMenu = $('#mobile-nav');
          dropdownMenu.prepend('<a href="#" class="menu">Menu</a>');
          //Hide the rest of the menu
          $('#mobile-nav .navigation').hide();
  
          //function the will toggle the menu
          $('.menu').click(function() {
              $("#mobile-nav .navigation").slideToggle();
          });
      };
  })(jQuery)