diff --git a/transifex/templates/base-sample.html b/transifex/templates/base-sample.html
--- a/transifex/templates/base-sample.html
+++ b/transifex/templates/base-sample.html
@@ -27,6 +27,7 @@
   <script type="text/javascript" src="{{ STATIC_URL }}js/sprintf.js"></script>
   <script type="text/javascript" src="{{ STATIC_URL }}js/tx.core.js"></script>
   <script type="text/javascript" src="{{ STATIC_URL }}js/jquery.fancybox-1.3.0.pack.js"></script>
+  <script type="text/javascript"> var media_url = "{{ STATIC_URL }}"; </script>
   {% endblock %}
   {% block shortcut_icon %}
   <link rel="shortcut icon" href="{{ STATIC_URL }}images/favicon.ico" type="image/x-icon" />