function rw_register_meta_boxes($meta_boxes) {

    global $prefix;

    $meta_boxes = array();
    $meta_boxes[] = array(
        'title'  => __( 'Page Banners', 'ok' ),
        'pages'  => array( 'page' ),
        'fields' => array(
            array(
                'name' => __( 'Full viewport height:', 'ok' ),
                'id'   => "{$prefix}full_height",
                'type' => 'checkbox',
            ),
            array(
                'name' => __( 'Common Banner Image:', 'ok' ),
                'id'   => "{$prefix}common_image",
                'type' => 'image_advanced',
                'max_file_uploads' => 1
            ),
            array(
                'name' => '',
                'id'   => "{$prefix}separator",
                'type' => 'divider',
            ),
            array(
                'id' => 'banner_slides',
                'type' => 'group',
                'clone'  => true,
                'fields' => array(
                    array(
                        'name' => 'Line 1:',
                        'id' => "{$prefix}banner_line_1",
                        'type' => 'text',
                    ),
                    array(
                        'name' => 'Line 2:',
                        'id' => "{$prefix}banner_line_2",
                        'type' => 'text',
                    ),
                    array(
                        'name' => 'Description:',
                        'id' => "{$prefix}banner_desc",
                        'type' => 'textarea',
                    ),
                    array(
                        'name' => 'Image:',
                        'id' => "{$prefix}banner_image",
                        'type' => 'image_advanced',
                        'max_file_uploads' => 1
                    ),
                    array(
                        'name' => 'URL:',
                        'id' => "{$prefix}banner_url",
                        'type' => 'text',
                        'desc' => 'Please use full URL including http://'
                    ),
                ),
            ),
        )
    );

    if ( class_exists( 'RW_Meta_Box' ) ) {
        foreach ( $meta_boxes as $meta_box ) {
            if ( isset( $meta_box['only_on'] ) && ! rw_maybe_include( $meta_box['only_on'] ) ) {
                continue;
            }
            new RW_Meta_Box( $meta_box );
        }
    }
}