code: function (name) {
        var hostname = document.location.hostname;
        if (hostname.indexOf('www.') === 0) {
          hostname = hostname.substring(4);
        }
        document.cookie = name + '=; domain=.' + hostname + '; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=/';
        document.cookie = name + '=; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=/';
      }
docs: /*
  Delete cookie by changing expire