function create_post_types() {
        global $smof_data;
        // Portfolio post type
        register_post_type( 'us_portfolio',
            array(
                'labels' => array(
                    'name' => 'Portfolio Items',
                    'singular_name' => 'Portfolio Item',
                    'add_new' => 'Add Portfolio Item',
                ),
                'public' => true,
//                'has_archive' => true,
                'rewrite' => array('slug' => $smof_data['portfolio_slug']),
                'supports' => array('title', 'editor', 'excerpt', 'thumbnail', 'revisions', 'comments'),
                'can_export' => true,
            )
        );

        // Clients post type
        register_post_type( 'us_client',
            array(
                'labels' => array(
                    'name' => 'Clients Logos',
                    'singular_name' => 'Client Logo',
                    'add_new' => 'Add Client Logo',
                ),
                'public' => true,
                'publicly_queryable' => false,
//                'has_archive' => true,
                'supports' => array('title', 'thumbnail'),
                'can_export' => true,
            )
        );



    }

    // Portfolio categories
    register_taxonomy('us_portfolio_category', array('us_portfolio'), array('hierarchical' => true, 'label' => 'Portfolio Categories','singular_label' => 'Portfolio Category', 'rewrite' => true));

    function portfolio_add_taxonomy_filters() {
        global $typenow;

        // An array of all the taxonomyies you want to display. Use the taxonomy name or slug
        $taxonomies = array( 'us_portfolio_category' );

        // must set this to the post type you want the filter(s) displayed on
        if ( $typenow == 'portfolio' ) {

            foreach ( $taxonomies as $tax_slug ) {
                $current_tax_slug = isset( $_GET[$tax_slug] ) ? $_GET[$tax_slug] : false;
                $tax_obj = get_taxonomy( $tax_slug );
                $tax_name = $tax_obj->labels->name;
                $terms = get_terms($tax_slug);
                if ( count( $terms ) > 0) {
                    echo "<select name='$tax_slug' id='$tax_slug' class='postform'>";
                    echo "<option value=''>$tax_name</option>";
                    foreach ( $terms as $term ) {
                        echo '<option value=' . $term->slug, $current_tax_slug == $term->slug ? ' selected="selected"' : '','>' . $term->name .' (' . $term->count .')</option>';
                    }
                    echo "</select>";
                }
            }
        }
    }