/*************************** Portfolio Post Type ***************************/

        register_post_type('portfolio', array(
            'labels' => array('name' => __('Portfolio Items', 'gp_lang'), 'singular_label' => __('Portfolio Item', 'gp_lang'), 'add_new_item' => __('Add Portfolio Item', 'gp_lang'), 'edit_item' => __('Edit Portfolio Item', 'gp_lang'), 'search_items' => __( 'Search Portfolio Items', 'gp_lang')),
            'public' => true,
            'show_ui' => true,
            '_builtin' => false,
            '_edit_link' => 'post.php?post=%d',
            'capability_type' => 'post',
            'hierarchical' => false,
            'rewrite' => array('slug' => $theme_portfolio_slug),
            'menu_position' => 20,
            'with_front' => true,
            'supports' => array('title', 'editor', 'comments', 'author', 'custom-fields', 'thumbnail'),
            'taxonomies' => array('post_tag')
        ));