ulogin.js

        <script src="//ulogin.ru/js/ulogin.js"></script>
        <script>
          function login_callback(token) {
            console.log("login_callback: "+ JSON.stringify(token));
            $.getJSON('http://ulogin.ru/token.php?token='+token+'&host='+encodeURIComponent(location.hostname)+'&callback=?',function (data) {
                var json = $.parseJSON(data.toString());
                console.log("json: "+JSON.stringify(json));
            });
          }
        </script>
          <div id="uLogin" data-ulogin="callback=login_callback;display=small;fields=first_name,last_name;providers=facebook,google,googleplus,twitter,linkedin,vkontakte,livejournal,openid,tumblr;hidden=;redirect_uri=">
          </div>