From aabd9b98341308cd0d276e6e788b7a3f9531c394 Mon Sep 17 00:00:00 2001
From: Jon Reid
Date: Thu, 21 Jun 2012 11:32:20 -0700
Subject: Timeline: Bug Fix: Document switching was doubling position tracks.

---
 js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js | 1 -
 js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js | 5 +++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js b/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js
index 89389469..b8ba5feb 100644
--- a/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js
+++ b/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js
@@ -595,7 +595,6 @@ var TimelinePanel = exports.TimelinePanel = Montage.create(Component, {
     prepareForDraw:{
         value:function () {
             this.initTimeline();
-
         }
     },
     
diff --git a/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js b/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js
index bf380e00..3cf754b8 100644
--- a/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js
+++ b/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js
@@ -1051,6 +1051,11 @@ var TimelineTrack = exports.TimelineTrack = Montage.create(Component, {
     createPositionTracks:{
         value:function(){
             // create track objects for position and transform tracks and push into arrays
+            
+            // ... but only do it if we haven't already.
+            if (this.arrPositionTracks.length > 0) {
+            	return;
+            }
 
             // create 'left' track
             var newLeftTrack = {};
-- 
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