diff -r 8ce80860c3fe -r 43700c10a1fc src/cm/templates/site/tracking.html
--- a/src/cm/templates/site/tracking.html	Thu Feb 13 18:54:19 2014 +0100
+++ b/src/cm/templates/site/tracking.html	Thu Feb 13 18:55:46 2014 +0100
@@ -6,14 +6,38 @@
 
 <!-- Piwik -->
 <script type="text/javascript">
-var pkBaseURL = (("https:" == document.location.protocol) ? "https://stats.co-ment.com/" : "http://piwik.sopinspace.net/");
-document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
-</script><script type="text/javascript">
-try {
-var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", 17);
-piwikTracker.trackPageView();
-piwikTracker.enableLinkTracking();
-} catch( err ) {}
-</script><noscript><p><img src="https://stats.co-ment.com/piwik.php?idsite=17" style="border:0" alt=""/></p></noscript>
-<!-- End Piwik Tag -->
+<!--
+  var _paq = _paq || [];
+  _paq.push(["trackPageView"]);
+  _paq.push(["enableLinkTracking"]);
+
+  _paq.push([function() {
+    function getOriginalVisitorCookieTimeout(obj) {
+      var now = new Date(),
+        nowTs = Math.round(now.getTime() / 1000),
+        visitorInfo = obj.getVisitorInfo();
+      var createTs = parseInt(visitorInfo[2]);
+      var cookieTimeout = 33696000; // 13 mois en secondes
+      var originalTimeout = createTs + cookieTimeout - nowTs;
+      return originalTimeout;
+    }
+    this.setVisitorCookieTimeout(getOriginalVisitorCookieTimeout(this));
+  }]);
+
+  (function() {
+    var u=(("https:" == document.location.protocol) ? "https" : "http") + "://stats.co-ment.com/";
+    _paq.push(["setTrackerUrl", u+"piwik.php"]);
+    _paq.push(["setSiteId", "17"]);
+    var d=document, g=d.createElement("script"), s=d.getElementsByTagName("script")[0]; g.type="text/javascript";
+    g.defer=true; g.async=true; g.src=u+"piwik.js"; s.parentNode.insertBefore(g,s);
+  })();
+<!-- End Piwik Code -->
+$(document).ready(function() {
+  $('#hide-piwik-cookies-optout').click(function() {
+    $('#piwik-cookies-optout iframe').slideToggle("fast");
+  });
+});
+-->
+</script>
+<div id="piwik-cookies-optout"><iframe frameborder="no" width="900px" height="90px" src="https://stats.co-ment.com/index.php?module=CustomOptOut&action=optOut&idSite=17&language={{ LANGUAGE_CODE }}"></iframe></div>
 {% endif %}