quiz navigation shows unanswered questions

i made a script script which displayes in the timer which questions have not yet been answered. Look here for more information: http://moodle.org/mod/forum/discuss.php?d=102768

Perhaps you wanna include it in moodle
The patch is for 1.9.2 Build 20080711 but it works on the newest 1.9.2 relase as well (with minimal handwork)