Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/MonitoringController.java
===================================================================
diff -u -rb1f3169b7b71acb63d6ca0cff04e3d84094af7fc -r24a95fc64bb064bbb80f689474c0b797b0a8a60d
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/MonitoringController.java	(.../MonitoringController.java)	(revision b1f3169b7b71acb63d6ca0cff04e3d84094af7fc)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/MonitoringController.java	(.../MonitoringController.java)	(revision 24a95fc64bb064bbb80f689474c0b797b0a8a60d)
@@ -316,20 +316,28 @@
     }
 
     @RequestMapping("/startGalleryWalk")
+    @ResponseBody
+    @ResponseStatus(HttpStatus.OK)
     private void startGalleryWalk(HttpServletRequest request) throws IOException {
 	Long toolContentId = WebUtil.readLongParam(request, DokumaranConstants.ATTR_TOOL_CONTENT_ID, false);
 
 	dokumaranService.startGalleryWalk(toolContentId);
+
+	updateTimeLimit(toolContentId, 0, null);
     }
 
     @RequestMapping("/finishGalleryWalk")
+    @ResponseBody
+    @ResponseStatus(HttpStatus.OK)
     private void finishGalleryWalk(HttpServletRequest request) throws IOException {
 	Long toolContentId = WebUtil.readLongParam(request, DokumaranConstants.ATTR_TOOL_CONTENT_ID, false);
 
 	dokumaranService.finishGalleryWalk(toolContentId);
     }
 
     @RequestMapping("/enableGalleryWalkLearnerEdit")
+    @ResponseBody
+    @ResponseStatus(HttpStatus.OK)
     private void enableGalleryWalkLearnerEdit(HttpServletRequest request) throws IOException {
 	Long toolContentId = WebUtil.readLongParam(request, DokumaranConstants.ATTR_TOOL_CONTENT_ID, false);