--- a/player/js/player.js	Mon Jun 10 18:56:54 2013 +0200
+++ b/player/js/player.js	Tue Jun 11 12:03:10 2013 +0200
@@ -30,7 +30,7 @@
     );
     
     myMedia.on("timeupdate", function(t) {
-        var pos = $(".chapters-bar").width() * t / myMedia.duration;
+        var pos = (100 * t / myMedia.duration) + "%";
         $(".progress-indicator").css("left",pos);
         $(".elapsed").css("width", pos);
     });