function retreiveAttendanceLock($attendance)
{
    $meeting = retreiveAttendanceMeetingId($attendance);
    return retreiveAttendanceMeetingLock($meeting);
}
     break;
     //----------------------------------------------------------------------------------------------------------------------------------//
     //LIST ATTENDANCE
     //----------------------------------------------------------------------------------------------------------------------------------//
 //----------------------------------------------------------------------------------------------------------------------------------//
 //LIST ATTENDANCE
 //----------------------------------------------------------------------------------------------------------------------------------//
 case 'listAttendance':
     $meeting = db_clean_int($_GET['meeting']);
     $smarty->assign("meeting_name", retreiveMeetingNameForAttendance($meeting));
     $smarty->assign("meeting_id", $meeting);
     $smarty->assign("semester_id", retreiveSemesterIdForMeeting($meeting));
     $smarty->assign("attendance", retreiveAttendance($meeting));
     $smarty->assign("addable", retreiveAdditionalAttendanceMemberCount($meeting));
     $smarty->assign("meeting_count", retreiveMeetingChildrenCount($meeting));
     $smarty->assign("meeting_lock", retreiveAttendanceMeetingLock($meeting));
     $smarty->display('listAttendance.tpl');
     break;
     //----------------------------------------------------------------------------------------------------------------------------------//
     //ATTENDANCE BLOCK
     //----------------------------------------------------------------------------------------------------------------------------------//
 //----------------------------------------------------------------------------------------------------------------------------------//
 //ATTENDANCE BLOCK
 //----------------------------------------------------------------------------------------------------------------------------------//
 case 'attendanceBlock':
     $attendance = db_clean_int($_GET['attendance']);
     //These are AJAX requests!
     //If an update to the attendance record's status is requested, process it.
     //This even validates the key!
     //If it doesn't validate, simply display it as if it wasn't updated, no big deal... just click again.
     if (isset($_GET['status']) && secureform_test_pk(db_clean_text($_GET['key']), "attendanceBlock", $attendance)) {
function toggleMeetingLock($meeting)
{
    $lock = retreiveAttendanceMeetingLock($meeting);
    if ($lock == 0) {
        $query = "UPDATE meetings SET `lock` = 1 WHERE `id` = " . $meeting . " LIMIT 1;";
    } else {
        $query = "UPDATE meetings SET `lock` = 0 WHERE `id` = " . $meeting . " LIMIT 1;";
    }
    $result = mysql_query($query);
}