(function ($) {
  Drupal.behaviors.dropdown = {
    attach : function (context, settings) {
      var dropdown = document.getElementById('dropdown');
      var delay = document.getElementById('delay-city-block');
      if ( dropdown.style.display == 'none' )
        dropdown.style.display = 'block',
        dropdown.style.border = '2px solid #fac640';
      else
        if ( dropdown.style.display == 'block' )
        delay.style.display = 'none',
        dropdown.style.display = 'none';
    }
  };
})(jQuery);