Modify Genesis Footer Output

// replaces #wrap in default framework shortcode with a true "go to top" href
// code for adding 3rd navigation menu in footer area
// Footer Nav Script placed in child theme folder defined by environment variable in functions file

// Customize Footer Output to include footer menu navigation
add_filter( 'genesis_footer_output', 'footer_output_filter', 10, 3 );
function footer_output_filter( $output, $backtotop_text, $creds_text ) {
    require(CHILD_STRUCTURE_DIR.'/footernav.php');
    $backtotop_text = '[footer_backtotop text="Go To Top" href="#"]';
    $creds_text = '© Copyright '. date('Y') . ' ' . get_bloginfo('name') . ' . All rights reserved';
    $output = '<div class="gototop">' . $backtotop_text . '</div>' . '<div class="creds">' . $creds_text . '</div>';
    return $output;
}

// Remove Custom Menu support
remove_theme_support ( 'genesis-menus' ); // removes default Genesis Menus

// Default Menus: re-registers default menus and add footer menu
add_theme_support ( 'genesis-menus' , array ( 'primary' => 'Primary Navigation Menu' , 'secondary' => 'Secondary Navigation Menu' ,'footerlinks' => 'Footer Links Menu' ) );

// Footer Nav Script
<?php
echo '<div id="footernav"><div class="footernav-wrap">';
wp_nav_menu( array( 'sort_column' => 'menu_order',
    'container_id' => 'footerlinks' ,
    'menu_class' => 'menu footerlinks superfish sf-js-enabled',
    'fallback_cb' => 'false',
    'theme_location' => 'footerlinks') );
echo '</div></div>';
?>