[Milad]

In order to be XHTML 1.0 Transitional compatible, the code must be like this:

PHP Code:

return '<script>
<!--
    britepic_id="Your unique BritePic ID";
    britepic_src="' .  $link . '";
// -->
</script>
<script type="text/javascript" src="http://www.britepic.com/britepic.js"></script>
<noscript>
    <img src="' .  $link . '" alt="" />
</noscript>'; 


Give credits to who deserve.