diff -r 76f2fa4eb4f7 -r 7cff1f0a6882 annot-server/static/js/pianoroll.js
--- a/annot-server/static/js/pianoroll.js	Mon Oct 20 10:55:20 2014 +0200
+++ b/annot-server/static/js/pianoroll.js	Mon Oct 20 14:57:11 2014 +0200
@@ -8,7 +8,7 @@
 var sceneBgColor = 0xFFFFFF;
 var lineColor = 0x444444;
 //var manualFramerate = 24;
-var pixelsPerSecond1 = Math.floor(sceneWidth / 30); // nb of pixels per second
+var pixelsPerSecond1 = Math.floor(sceneWidth / 10); // nb of pixels per second
 var manualFramerate = pixelsPerSecond1 / 4;
 var pixelsPerSecond2 = Math.floor(sceneWidth / 60); // nb of pixels per second
 var lineInterval = 5000; // means line every 5 seconds
@@ -99,6 +99,16 @@
     container2.x -= pixelsPerSecond2/manualFramerate;
     renderer.render(stage);
 }
+function moveContainerMore() {
+    container1.x -= 10*(pixelsPerSecond1/manualFramerate);
+    container2.x -= 10*(pixelsPerSecond2/manualFramerate);
+    renderer.render(stage);
+}
+function moveContainerRight() {
+    container1.x += 10*(pixelsPerSecond1/manualFramerate);
+    container2.x += 10*(pixelsPerSecond2/manualFramerate);
+    renderer.render(stage);
+}
 
 function addBunny(data){
     var timeFromZero = data.content[1];