diff -r d65dafb9273d -r 50c4609e50f4 src/js/widgets/segmentsWidget.js
--- a/src/js/widgets/segmentsWidget.js	Tue Nov 08 16:51:10 2011 +0100
+++ b/src/js/widgets/segmentsWidget.js	Wed Nov 09 10:26:42 2011 +0100
@@ -17,6 +17,8 @@
   var self = this;
   var annotations = this._serializer._data.annotations;
 
+  this.positionMarker = this.selector.append("<div style='position: absolute; z-index: 100; width: 1px; height: 20px; background-color: black;'></div>");
+  this._Popcorn.listen("timeupdate", IriSP.wrap(this, this.positionUpdater));
   
   this.selector.after("<div class='cleaner'></div>"); // we need to do this because the segments are floated                                                      
   
@@ -121,4 +123,12 @@
 
 IriSP.SegmentsWidget.prototype.searchFieldClosedHandler = function() {
   this.clear();
+};
+
+IriSP.SegmentsWidget.prototype.positionUpdater = function() {  
+  var duration = this._serializer.currentMedia().meta["dc:duration"] / 1000;
+  var time = this._Popcorn.currentTime();
+  var position 	= IriSP.timeToPourcent(begin, duration);
+  
+  this.positionMarker.css("left", position);
 };
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