Changed so that it changes automatically

index.html

@@ -24,6 +24,8 @@
 </html>
 <script src="mementomori.js"></script>
 <script>
-    var nbsemaines = 960;
+    var seconds = (new Date(Date.now()).getTime() - new Date("05/12/2004").getTime()) / 1000;
+    var nbsemaines = parseInt(seconds / 604800);
+    console.log(nbsemaines);
     remplir(nbsemaines);
 </script>