Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/Canvas.as
===================================================================
diff -u -r7b855245133f01885c4b7f1d85beb3e91675bb40 -r7943732fc078a1547a5cef50fd6d3ae88a92002d
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/Canvas.as	(.../Canvas.as)	(revision 7b855245133f01885c4b7f1d85beb3e91675bb40)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/Canvas.as	(.../Canvas.as)	(revision 7943732fc078a1547a5cef50fd6d3ae88a92002d)
@@ -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/learner.do?method=joinLesson&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');