From eba009ea63fcd07b50f182eddcfbafe18faf877d Mon Sep 17 00:00:00 2001
From: Damyon Wiese <damyon.wiese@netspot.com.au>
Date: Thu, 7 Jun 2012 10:52:05 +0800
Subject: [PATCH] MDL-33475: Fix javascript error when advanced grading is used
 in mod_assign

---
 mod/assign/module.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/mod/assign/module.js b/mod/assign/module.js
index d361b329331..5786e1e79b4 100644
--- a/mod/assign/module.js
+++ b/mod/assign/module.js
@@ -140,9 +140,11 @@ M.mod_assign.init_grading_options = function(Y) {
             Y.one('form.gradingoptionsform').submit();
         });
         var quickgradingelement = Y.one('#id_quickgrading');
-        quickgradingelement.on('change', function(e) {
-            Y.one('form.gradingoptionsform').submit();
-        });
+        if (quickgradingelement) {
+            quickgradingelement.on('change', function(e) {
+                Y.one('form.gradingoptionsform').submit();
+            });
+        }
 
     });