Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as
===================================================================
diff -u -r8e2a8eb4f870951aecf5e713a7a2cc8cc834e68f -r1dbd5d1fd10055a039c78dc0dcd683d64c6ec3cc
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as	(.../CanvasModel.as)	(revision 8e2a8eb4f870951aecf5e713a7a2cc8cc834e68f)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as	(.../CanvasModel.as)	(revision 1dbd5d1fd10055a039c78dc0dcd683d64c6ec3cc)
@@ -233,7 +233,28 @@
 		return actOptional
 	}
 	
+	public function lockAllComplexActivities():Void{
+		var k:Array = _activitiesDisplayed.values();
+		//trace("findOptionalActivities Called "+k.length )
+		for (var i=0; i<k.length; i++){
+			if (k[i].activity.activityTypeID == Activity.OPTIONAL_ACTIVITY_TYPE || k[i].activity.activityTypeID == Activity.PARALLEL_ACTIVITY_TYPE){
+				k[i].locked = true;
+				trace("complex activity with id:"+k[i].activity.activityUIID )
+			}
+		}
+	}
 	
+	
+	public function unlockAllComplexActivities():Void{
+		var k:Array = _activitiesDisplayed.values();
+		//trace("findOptionalActivities Called "+k.length )
+		for (var i=0; i<k.length; i++){
+			if (k[i].activity.activityTypeID == Activity.OPTIONAL_ACTIVITY_TYPE || k[i].activity.activityTypeID == Activity.PARALLEL_ACTIVITY_TYPE){
+				k[i].locked = false;
+				trace("complex activity with id:"+k[i].activity.activityUIID )
+			}
+		}
+	}
 	/**
 	 * Craetes a [trans][gate act][trans] combo from an existing transition.
 	 * NOT used anymore as we dont want to allow users to think they can click transitions