navigator.id.request();

          navigator.id.request({ siteName: 'Hydra' });

<!--
<p>Don't have an account yet? Please <a href="[%
c.uri_for('/register') %]">register</a> first.</p>
-->

    <li>
      <a href="#" id="persona-signin">Sign in</a>
    </li>

    [% WRAPPER makeSubMenu title="Sign in" %]
      <li>
        <a href="#" id="persona-signin">
          <img src="https://developer.mozilla.org/files/3963/persona_sign_in_blue.png" alt="Sign in with Persona" />
        </a>
      </li>
      <li class="divider"></li>
      <li>
        <a href="[% c.uri_for('/login') %]">Sign in with a Hydra user name</a>
      </li>
    [% END %]