WordPress/wp-admin/admin-footer.php

<div id="footer"><p><a href="http://wordpress.org/" id="wordpress-logo"><img src="images/wordpress-logo.png" alt="WordPress" /></a></p>
<p>
<a href="http://codex.wordpress.org/"><?php _e('Documentation'); ?></a> &#8212; <a href="http://wordpress.org/support/"><?php _e('Support Forums'); ?></a> <br />
<?php bloginfo('version'); ?> &#8212; <?php printf(__('%s seconds'), timer_stop(0, 2)); ?>
</p>

</div>
<?php do_action('admin_footer', ''); ?>
<script type="text/javascript">if(typeof wpOnload=='function')wpOnload();</script>

<?php
if ( (substr(php_sapi_name(), 0, 3) == 'cgi') && spawn_pinger() ) {
	echo '<iframe id="pingcheck" src="' . get_settings('siteurl') .'/wp-admin/execute-pings.php?time=' . time() . '" style="border:none;width:1px;height:1px;"></iframe>';
}
?>

</body>
</html>