{% if PIWIK_URL and PIWIK_SITE_ID %}
    <script type="text/javascript">
    {% if PIWIK_SSL_URL %}
        var pkBaseURL = (("https:" == document.location.protocol) ? "https://{{ PIWIK_SSL_URL }}/" : "http://{{ PIWIK_URL }}/");
    {% else %}
        var pkBaseURL = (("https:" == document.location.protocol) ? "https://{{ PIWIK_URL }}/" : "http://{{ PIWIK_URL }}/");
    {% endif %}
    document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
    </script>