diff -Naur moodle-live/grade/report/grader/lib.php moodle-dev/grade/report/grader/lib.php
--- moodle-live/grade/report/grader/lib.php	2009-05-27 09:31:19.000000000 +0100
+++ moodle-dev/grade/report/grader/lib.php	2009-06-02 11:42:03.000000000 +0100
@@ -518,7 +518,7 @@
         global $CFG, $USER;
 
         $this->rowcount = 0;
-        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents;
+        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 6')===false;
 
         if (!$fixedstudents) {
             $strsortasc   = $this->get_lang_string('sortasc', 'grades');
@@ -691,7 +691,7 @@
         $numusers      = count($this->users);
         $showuserimage = $this->get_pref('showuserimage');
         $showuseridnumber = $this->get_pref('showuseridnumber');
-        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents;
+        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 6')===false;
 
         // Preload scale objects for items with a scaleid
         $scales_list = '';
@@ -932,7 +932,7 @@
 
         $showuserimage = $this->get_pref('showuserimage');
         $showuseridnumber = $this->get_pref('showuseridnumber');
-        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents;
+        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 6')===false;
 
         $strsortasc   = $this->get_lang_string('sortasc', 'grades');
         $strsortdesc  = $this->get_lang_string('sortdesc', 'grades');
@@ -1064,7 +1064,7 @@
     function get_endhtml() {
         global $CFG, $USER;
 
-        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents;
+        $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 6')===false;
 
         if ($fixedstudents) {
             return "</tbody></table></div>";
@@ -1157,7 +1157,7 @@
 
             $ungraded_counts = get_records_sql($SQL);
 
-            $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents;
+            $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 6')===false;
             if (!$fixedstudents) {
                 $colspan='';
                 if ($this->get_pref('showuseridnumber')) {
@@ -1247,7 +1247,7 @@
             $columncount=0;
             $rangehtml = '<tr class="range r'.$this->rowcount++.' heading">';
 
-            $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents;
+            $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 6')===false;
             if (!$fixedstudents) {
                 $colspan='';
                 if ($this->get_pref('showuseridnumber')) {
@@ -1287,7 +1287,7 @@
 
             $iconshtml = '<tr class="controls">';
 
-            $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents;
+            $fixedstudents = empty($USER->screenreader) && $CFG->grade_report_fixedstudents && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE 6')===false;
             $showuseridnumber = $this->get_pref('showuseridnumber');
 
             $colspan = '';