Index: lams_central/web/lams_authoring.swf
===================================================================
diff -u -r32e74a06368ce184623336939382aa9fc6e8a7aa -r4baf84f6228f1ae53dcbba937f4162825a1d6afb
Binary files differ
Index: lams_central/web/lams_authoring_library.swf
===================================================================
diff -u -r32e74a06368ce184623336939382aa9fc6e8a7aa -r4baf84f6228f1ae53dcbba937f4162825a1d6afb
Binary files differ
Index: lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/br/CanvasBranchView.as
===================================================================
diff -u -r034c8402e794d997946753746948357814143484 -r4baf84f6228f1ae53dcbba937f4162825a1d6afb
--- lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/br/CanvasBranchView.as	(.../CanvasBranchView.as)	(revision 034c8402e794d997946753746948357814143484)
+++ lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/br/CanvasBranchView.as	(.../CanvasBranchView.as)	(revision 4baf84f6228f1ae53dcbba937f4162825a1d6afb)
@@ -669,6 +669,11 @@
 	 * @return  
 	 */
 	private function drawTransition(t:Transition, cm):Boolean{
+		Debugger.log('drawn a transition to:'+t.toUIID+', from:' + t.fromUIID, Debugger.CRITICAL, 'drawTransition', 'CanvasBranchView');
+		
+		Debugger.log('test 1: '+ !isActivityOnLayer(cm.activitiesDisplayed.get(t.fromUIID), this.activityLayers), Debugger.CRITICAL, 'drawTransition', 'CanvasBranchView');
+		Debugger.log('test 2: '+ !isActivityOnLayer(cm.activitiesDisplayed.get(t.toUIID), this.activityLayers), Debugger.CRITICAL, 'drawTransition', 'CanvasBranchView');
+		
 		if(!isActivityOnLayer(cm.activitiesDisplayed.get(t.fromUIID), this.activityLayers) && !isActivityOnLayer(cm.activitiesDisplayed.get(t.toUIID), this.activityLayers)) 
 			return false;
 		
Index: lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/cv/CanvasController.as
===================================================================
diff -u -r034c8402e794d997946753746948357814143484 -r4baf84f6228f1ae53dcbba937f4162825a1d6afb
--- lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/cv/CanvasController.as	(.../CanvasController.as)	(revision 034c8402e794d997946753746948357814143484)
+++ lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/cv/CanvasController.as	(.../CanvasController.as)	(revision 4baf84f6228f1ae53dcbba937f4162825a1d6afb)
@@ -298,10 +298,13 @@
 											ca.activity.orderID = _canvasModel.getCanvas().ddm.getNextSequenceOrderID(selectedSequence.activity.activityUIID);
 											
 											Debugger.log("ca orderID: " + ca.activity.orderID, Debugger.CRITICAL, "activityRelease", "CanvasController");
+											_canvasModel.haltRefresh(true);
 											
 											if(ca.activity.orderID > 1) _canvasModel.createSequenceTransition(CanvasSequenceActivity(selectedSequence).lastActivity, ca.activity);
 											else ComplexActivity(selectedSequence.activity).firstActivityUIID = ca.activity.activityUIID;							
 											
+											_canvasModel.haltRefresh(false);
+											
 											_canvasModel.addParentToActivity(selectedSequence.activity.activityUIID, ca, false);
 											
 											CanvasSequenceActivity(selectedSequence).updateChildren();