To add multiple menus: twentyten theme

Comment this add the code below in functions.php

// This theme uses wp_nav_menu() in one location.

/*register_nav_menus( array(
‘primary’ => __( ‘Primary Navigation’, ‘twentyten’ ),
) );*/

add_action( ‘init’, ‘register_my_menu’ );
function register_my_menu() {
register_nav_menus(
array(
‘top-menu’ => __( ‘Top Navigation’, ‘twentyten’ ),
‘primary’ => __( ‘Primary Navigation’, ‘twentyten’ ),
‘footer’ => __( ‘Footer Navigation’, ‘twentyten’ )
)
);
}