Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/DesignDataModel.as
===================================================================
diff -u -r1f1a9a5c909a5fb6aeaffd7b098e285971a6a136 -r6f19b288b42a63b520acaa29346af7c07a1ae349
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/DesignDataModel.as	(.../DesignDataModel.as)	(revision 1f1a9a5c909a5fb6aeaffd7b098e285971a6a136)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/DesignDataModel.as	(.../DesignDataModel.as)	(revision 6f19b288b42a63b520acaa29346af7c07a1ae349)
@@ -316,9 +316,7 @@
 			var tdto = design.transitions[i];
 			var newTransition:Transition = new Transition(tdto.transitionUIID,
 											tdto.fromUIID,
-											tdto.fromActivityID,
 											tdto.toUIID,
-											tdto.toActivityID,
 											tdto.learningDesignID);
 			newTransition.transitionID = tdto.transitionID;
 			_transitions.put(newTransition.transitionUIID,newTransition);
Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/Transition.as
===================================================================
diff -u -rb2b775bc9a32104a57db057aa9f1824640a6f5b7 -r6f19b288b42a63b520acaa29346af7c07a1ae349
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/Transition.as	(.../Transition.as)	(revision b2b775bc9a32104a57db057aa9f1824640a6f5b7)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/Transition.as	(.../Transition.as)	(revision 6f19b288b42a63b520acaa29346af7c07a1ae349)
@@ -53,15 +53,11 @@
 	
 	function Transition(transitionUIID,
 						fromUIID,
-						fromActivityID,
 						toUIID,
-						toActivityID,
 						learningDesignID){
 		_transitionUIID = transitionUIID;
 		_fromUIID = fromUIID;
-		_fromActivityID = fromActivityID;
 		_toUIID = toUIID;
-		_toActivityID = toActivityID;
 		_learningDesignID = learningDesignID;
 		
 		Debugger.log('Created a new transition, transitionUIID:'+transitionUIID,Debugger.GEN,'Constructor','Transition');
Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/Canvas.as
===================================================================
diff -u -r7943732fc078a1547a5cef50fd6d3ae88a92002d -r6f19b288b42a63b520acaa29346af7c07a1ae349
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/Canvas.as	(.../Canvas.as)	(revision 7943732fc078a1547a5cef50fd6d3ae88a92002d)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/Canvas.as	(.../Canvas.as)	(revision 6f19b288b42a63b520acaa29346af7c07a1ae349)
@@ -659,7 +659,7 @@
 			var uID = Config.getInstance().userID;
 			var serverUrl = Config.getInstance().serverUrl;
 			//Create an instance of JsPopup to access launchPopupWindow method.
-			JsPopup.getInstance().launchPopupWindow(serverUrl+'learning/learner.do?method=joinLesson&userID='+uID+'&lessonID='+r, 'Preview of Lession '+r.startPreviewSession, 570, 796, true, true, true);
+			JsPopup.getInstance().launchPopupWindow(serverUrl+'learning/main.jsp?userID='+uID+'&lessonID='+r, 'Preview of Lession '+r.startPreviewSession, 570, 796, true, true, true);
 			Debugger.log('Recieved Lesson ID: '+r ,Debugger.GEN,'onLaunchPreviewResponse','Canvas');
 			//_global.breakpoint();
 			//Debugger.log('_ddm.learningDesignID:'+_ddm.learningDesignID,Debugger.GEN,'onStoreDesignResponse','Canvas');		
Index: lams_central/web/lams_authoring.swf
===================================================================
diff -u -r9e7c133bc5fae53c217cd25d78cfee808ecff527 -r6f19b288b42a63b520acaa29346af7c07a1ae349
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