This x10Advanced ad code is valid XHTML 1.0 Transitional, XHTML 1.0 Strict, and XHTML 1.1:
<script type="text/javascript">
<!--
if (!document.phpAds_used) document.phpAds_used = ',';
phpAds_random = new String (Math.random()); phpAds_random = phpAds_random.substring(2,11)...