Index: sites/all/modules/ajax_comments/ajax_comments.js
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- sites/all/modules/ajax_comments/ajax_comments.js	(revision )
+++ sites/all/modules/ajax_comments/ajax_comments.js	(revision )
@@ -794,7 +794,7 @@
   }
 
   // Update CKeditor.
-  if (typeof(CKEDITOR) != 'undefined' && Drupal.ckeditorOff) {
+  if (typeof(CKEDITOR) != 'undefined' && typeof(Drupal.ckeditorOff) != 'undefined') {
     Drupal.ckeditorOff('edit-comment');
     Drupal.ckeditorOn("edit-comment");
 	}