diff -r 76f2fa4eb4f7 -r 7cff1f0a6882 annot-server/webapp/templates/pianoroll.html
--- a/annot-server/webapp/templates/pianoroll.html	Mon Oct 20 10:55:20 2014 +0200
+++ b/annot-server/webapp/templates/pianoroll.html	Mon Oct 20 14:57:11 2014 +0200
@@ -19,9 +19,14 @@
     <h1>OSC websocket Piano Roll Test</h1>
     <noscript>You must enable JavaScript</noscript>
     <div id="canvasContainer"></div>
-    <p><a href="#" onclick="clearInterval(moveInterval); clearInterval(verticalLinesInterval); return false;">stop intervals</a> - temps écoulé : <span id="myspan"></span></p>
+    <p>
+        <a href="#" onclick="clearInterval(moveInterval); clearInterval(verticalLinesInterval); return false;">stop intervals</a>
+         - temps écoulé : <span id="myspan"></span> - 
+        <a href="#" onclick="moveContainerMore(); return false;">Move Left</a> - 
+        <a href="#" onclick="moveContainerRight(); return false;">Move Right</a>
+     </p>
     <pre id="log"></pre>
-    <script src="{{ config['STATIC_URL'] }}js/pixi.js"></script>
-    <script src="{{ config['STATIC_URL'] }}js/pianoroll.js"></script>
+    <script src="{{ config['STATIC_URL'] }}/js/pixi.js"></script>
+    <script src="{{ config['STATIC_URL'] }}/js/pianoroll.js"></script>
 </body>
 </html>