diff -ruN moodle-1.7/grade/index.php moodle-dev/grade/index.php
--- moodle-1.7/grade/index.php	2006-10-09 15:46:12.000000000 +0100
+++ moodle-dev/grade/index.php	2006-10-09 15:47:15.000000000 +0100
@@ -7,6 +7,7 @@
     $user     = optional_param('user', -1);
     $group    = optional_param('group', -1);
     $action   = optional_param('action', 'grades');
+    $cview    = optional_param('cview', -1);
 
     if (!$course = get_record('course', 'id', $id)) {
         error('No course ID');