<fieldset>
<legend><?php echo LANG_CAPTCHA_CODE; ?></legend>
<div class="field">
<script>
var RecaptchaOptions = {
theme : '<?php echo $theme; ?>',
lang : '<?php echo $lang; ?>'
};
</script>
<?php echo recaptcha_get_html($public_key); ?>
</div>
</fieldset>