function create_post_type_producten() {
	register_post_type( 'producten',
		array(
			'labels' => array(
				'name' => _x('Producten', 'post type general name'),
			    'singular_name' => _x('Producten', 'post type singular name'),
			    'add_new' => _x('Nieuw product', 'Frontpage Slider'),
			    'add_new_item' => __('Nieuw product'),
			    'edit_item' => __('Bewerk product'),
			    'new_item' => __('Nieuwe product'),
			    'view_item' => __('Bekijk product'),
			),
			'show_ui' => true,
			'public' => true,
			'has_archive' => true,
			'hierarchical' => false,
			'show_in_nav_menus' => true,
			'rewrite' => array( 'slug' => 'producten', 'with_front' => FALSE),
			'supports' => array ('title', 'editor', 'author', 'custom-fields'),
			));

}add_action( 'init', 'create_post_type_producten' );


function my_custom_taxonomies_products() {
	register_taxonomy(
		'product_categorie',		// internal name = machine-readable taxonomy name
		'producten',		// object type = post, page, link, or custom post-type
		array(
			'hierarchical' => true,
			'label' => 'Product categorie',	// the human-readable taxonomy name
			'query_var' => true,	// enable taxonomy-specific querying
			'rewrite' => array( 'slug' => 'producten/categorie', 'hierarchical' => true),

		)
	);
}
add_action('init', 'my_custom_taxonomies_products', 0);