<form method="post" action="edit.php"><div>
<fieldset class="invisiblefieldset" style="display: block;">
<label for="<?php echo "inputq$qnum" ?>"><?php echo $strgrade; ?></label>:<br />
- <input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
+ <input type="hidden" name="sesskey" value="<?php echo $USER->sesskey ?>" />
<?php echo $pageurl->hidden_params_out(); ?>
<input type="hidden" name="savechanges" value="save" />
<?php