Exactly where to put code for posting via email?

I have read through the instructions for setting WP up to post via email. I have come as far as setting up an email address/account, putting the info into WordPress.

It then says I need to put some <iframe> code into the footer.php file in the theme I am using. It specified that it should not be enclosed by an HTML tag.

Exactly where I am supposed to put this code? I am sort of new on this, so will need some more specific instructions. There are already code on the page of course, so where exactly should this <iframe> code goes?

This is what’s already on the file:

<?php
$content = ob_get_clean();
echo parse_template(art_page_template(), art_page_variables(array(‘content’=> $content)));
?>
<div id=”wp-footer”>
<?php wp_footer(); ?>
<!– <?php printf(__(‘%d queries. %s seconds.’, ‘kubrick’), get_num_queries(), timer_stop(0, 3)); ?> –>
</div>
</body>
</html>