Externe links automatisch openen in nieuwe tab

in functions.php

<script type="text/javascript">// <![CDATA[
			jQuery(document).ready(function($){
			    $('a[href]:not([href^="http://oudemorsch.hetmktcafe.nl"]):not([href^="#"]):not([href^="/"])').attr( 'target', '_blank' );
			});
			// ]]></script>