google analytic

Hi, i need to add this:
<script src="http://www.google-analytics.com/urchin.js" type="text/javascript">
</script>
<script type="text/javascript">
_uacct = "UA-1xxxxxx";
urchinTracker();
</script>
but in index.php can t find any </body> .
where can i add this?
best regards

Go to settings > Advertisement.

You can edit any of the active advertisement and place this code alone with your advertisement code.

sweet, thx a lot.
getting near, getting near ;)