Index: lams_central/src/flash/org/lamsfoundation/lams/learner/ls/Lesson.as
===================================================================
diff -u -rf8aed893cddc6f4482ca7e0601328448a7647496 -rdfb0215633ab655f7c6782638fe9a089a0b78b71
--- lams_central/src/flash/org/lamsfoundation/lams/learner/ls/Lesson.as	(.../Lesson.as)	(revision f8aed893cddc6f4482ca7e0601328448a7647496)
+++ lams_central/src/flash/org/lamsfoundation/lams/learner/ls/Lesson.as	(.../Lesson.as)	(revision dfb0215633ab655f7c6782638fe9a089a0b78b71)
@@ -178,6 +178,23 @@
 		
 	}  
 	
+	public function moveToActivity(fromAct, toAct){
+		var callback:Function = Proxy.create(this, afterMoveActivity);
+		
+		// call action
+		var lessonId:Number = lessonModel.ID;
+		
+		// do request
+		Application.getInstance().getComms().getRequest('learning/learner.do?method=forceMove&lessonID='+String(lessonId)+'&learnerID='+_root.userID+'&currentActivityID='+fromAct+'&destActivityID='+toAct, callback, false);
+			
+		return true;
+		
+	}
+	
+	private function afterMoveActivity(pkt:Object){
+		getURL(_root.serverURL + 'learning'+String(pkt)+'?lessonID='+lessonModel.getLessonID(),'contentFrame');
+	}
+	
 	private function getFlashProgress():Void{
 		var callback:Function = Proxy.create(this,saveProgressData);
 		var lessonId:Number = lessonModel.ID;
Index: lams_central/src/flash/org/lamsfoundation/lams/learner/ls/LessonController.as
===================================================================
diff -u -r365ffda62981ed7b15f8800f5bd8fc02c769a43f -rdfb0215633ab655f7c6782638fe9a089a0b78b71
--- lams_central/src/flash/org/lamsfoundation/lams/learner/ls/LessonController.as	(.../LessonController.as)	(revision 365ffda62981ed7b15f8800f5bd8fc02c769a43f)
+++ lams_central/src/flash/org/lamsfoundation/lams/learner/ls/LessonController.as	(.../LessonController.as)	(revision dfb0215633ab655f7c6782638fe9a089a0b78b71)
@@ -85,9 +85,9 @@
    
 	public function activityDoubleClick(ca:Object):Void{
 		setBusy()
-	   Debugger.log('activityDoubleClick CanvasActivity:'+ca.activity.activityID + ' status: ' + ca.activityStatus + 'type id: ' + ca.activity.activityTypeID,Debugger.GEN,'activityDoubleClick','LessonController');
+		Debugger.log('activityDoubleClick CanvasActivity:'+ca.activity.activityID + ' status: ' + ca.activityStatus + 'type id: ' + ca.activity.activityTypeID,Debugger.GEN,'activityDoubleClick','LessonController');
 	   
-	   if(ca.activity.activityTypeID == Activity.TOOL_ACTIVITY_TYPE || ca.activity.activityTypeID == Activity.OPTIONAL_ACTIVITY_TYPE){
+		if(ca.activity.activityTypeID == Activity.TOOL_ACTIVITY_TYPE || ca.activity.activityTypeID == Activity.OPTIONAL_ACTIVITY_TYPE){
 			
 			if(ca.activityStatus != undefined){
 				var URLToSend:String = 'learning/learner.do?method=getLearnerActivityURL&activityID='+ca.activity.activityID+'&userID='+_root.userID+'&lessonID='+_root.lessonID;
@@ -97,6 +97,11 @@
 				} else {
 					_lessonModel.getLesson().getActivityURL(URLToSend, false);
 				}
+			} else if(_root.mode == 'preview') {
+				//var URLToSend:String = 'learning/learner.do?method=getLearnerActivityURL&activityID='+ca.activity.activityID+'&userID='+_root.userID+'&lessonID='+_root.lessonID;
+				//_lessonModel.getLesson().getActivityURL(URLToSend, false);
+				_lessonModel.getLesson().moveToActivity(_lessonModel.progressData.getCurrentActivityId(), ca.activity.activityID);
+				
 			}
 		}