WP: add Google Analytics code for non- logged-in admins (does NOT track logged-in admins)

google_analytics_non_admins.php

<?php 

function intw_head() {
  if ( !current_user_can('administrator') ) { ?>
<script type="text/javascript">
  var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-XXXXXXXX-X']);
  _gaq.push(['_setDomainName', 'example.com']);
  _gaq.push(['_trackPageview']);
  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();
</script>
	<?php } else {
		echo '<!-- Analytics disabled for logged in administrators -->';
	}
}	
add_action('wp_head', 'intw_head');

?>