--- mod/quiz/report/overview/Copy of overview_table.php	Mon Aug 25 15:16:18 2008
+++ mod/quiz/report/overview/overview_table.php	Mon Sep 01 14:48:11 2008
@@ -28,7 +28,7 @@
         global $CFG;
         if ($this->rawdata) {
             // Define some things we need later to process raw data from db.
-            $this->strtimeformat = get_string('strftimedatetime');
+            $this->strtimeformat = str_replace(',', '', get_string('strftimedatetime'));
             parent::build_table();
             //end of adding data from attempts data to table / download
             //now add averages at bottom of table :