         var items:XMLList = traverseAndBuildTimeline(xml);
 
         var time:Number = 0;
+        var num:Number = _startNumber;
         for (var i:uint = 0; i < items.length(); i++) {
 
             // read time if present

        var url:String = String(_segmentFilename);

        url = url.replace("$Time$", segment.time);
        url = url.replace("$RepresentationID$", representationId);

        var startTimestamp:Number = seconds(segment.time);

        return NaN;
    }

    override public function toString():String {
        var a:String = "isLive='" + _live;
        var b:String = "";
