<input type="hidden" name="challenge" value="<?php echo $session['id']; ?>" />
<span class="right">
	<img width="<?php echo $width; ?>" height="<?php echo $height; ?>" src="images.php?action=captcha&amp;challenge=<?php echo $session['id']; ?>" alt="" />
</span>
<input id="response" name="response" type="text" tabindex="<?php echo $tabindex; ?>" size="8" />