class wpt_widget extends WP_Widget {

        function __construct() {



            // add image sizes and load language file

            add_action( 'init', array(&$this, 'wpt_init') );
    }

function wpt_init() {

            load_plugin_textdomain('wp-tab-widget', false, dirname(plugin_basename(__FILE__)) . '/languages/' );



            add_image_size( 'wp_review_small', 65, 65, true ); // small thumb

            add_image_size( 'wp_review_large', 320, 9999, false ); // large thumb
}
}