Add a skip link for a footer nav

functions.php

<?php
// Paste the code BELOW this line into your child theme functions.

/**
 * Add a skip link for a footer nav
 *
 * @author Reasons to Use Genesis
 * @link http://reasonstousegenesis.com/genesis-nav-menu-supported/
 */
add_filter( 'genesis_skip_links_output', 'rtug_skip_links_output' );
function rtug_skip_links_output( $links ) {

	if ( genesis_nav_menu_supported( 'footer' ) && has_nav_menu( 'footer' ) ) {
		$links['genesis-nav-footer'] =  __( 'Skip to footer navigation', 'genesis' );
	}

	return $links;
}