--- C:/Users/Pratt/workspace/ou-moodle-31/mod/quiz/report/overview/report.php	Tue Aug 26 15:38:03 2008
+++ C:/Users/Pratt/workspace/ou-moodle-31/mod/quiz/report/overview/report - Copy.php	Tue Aug 26 15:37:27 2008
@@ -520,7 +520,7 @@
         $this->clear_regrade_table($quiz, $groupstudents);
         // Fetch all questions
         $questions = question_load_questions(explode(',',quiz_questions_in_quiz($quiz->questions)), 'qqi.grade AS maxgrade, qqi.id AS instance',
-            "{$CFG->prefix}quiz_question_instances qqi ON qqi.quiz = " . $quiz->id . ' AND q.id = qqi.question');
+            '{$CFG->prefix}quiz_question_instances qqi ON qqi.quiz = ' . $quiz->id . ' AND q.id = qqi.question');
 
         // Print heading
         print_heading(get_string('regradingquiz', 'quiz', format_string($quiz->name)));
@@ -619,7 +619,6 @@
         }
     }
     function regrade_selected_attempts($quiz, $attemptids, $groupstudents){
-        global $CFG;
         require_capability('mod/quiz:grade', $this->context);
         if ($groupstudents){
             $usql = ' IN ( ' . implode(',', $groupstudents) . ')';
@@ -631,13 +630,13 @@
         $where = "qa.id $asql AND ";
         
         $where .= "qa.quiz = $quiz->id AND qa.preview = 0";
-        if (!$attempts = get_records_sql("SELECT qa.* FROM {$CFG->prefix}quiz_attempts qa WHERE ". $where)) {
+        if (!$attempts = get_records_sql('SELECT qa.* FROM {$CFG->prefix}quiz_attempts qa WHERE '. $where)) {
             print_error('noattemptstoregrade', 'quiz_overview');
         }
 
         // Fetch all questions
         $questions = question_load_questions(explode(',',quiz_questions_in_quiz($quiz->questions)), 'qqi.grade AS maxgrade, qqi.id AS instance',
-            "{$CFG->prefix}quiz_question_instances qqi ON qqi.quiz = " . $quiz->id . ' AND q.id = qqi.question');
+            '{$CFG->prefix}quiz_question_instances qqi ON qqi.quiz = ' . $quiz->id . ' AND q.id = qqi.question');
         $updateoverallgrades = array();
         foreach($attempts as $attempt) {
             foreach ($questions as $question){