<ul class="primary-nav navigation">
<?php
	$primaryNav = array(
	    'Items' => uri('items'), 
	    'Collections' => uri('collections'),
	    'Item Types' => uri('item-types'),
	    'Tags' => uri('tags/browse')
	    );

				
	echo nav(apply_filters('admin_navigation_main', $primaryNav));
?>
</ul>