<?php

$a = Siteconfig::val("facebook/fanpage/url");
if ($a !== null) {
    echo '<div id="facebook_fanpage_widget" class="widget"> 
	<iframe src="//www.facebook.com/plugins/likebox.php?href=' . urlencode($a) . '&amp;width=200&amp;height=258&amp;show_faces=true&amp;colorscheme=light&amp;stream=false&amp;show_border=false&amp;header=false&amp;appId=348004995296076" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:100%; height:258px;" allowTransparency="true"></iframe>		
	</div>';
}