Two-sided Header Footer Navigation

// Register Navigation Menus
function custom_navigation_menus() {

	$locations = array(
		'header_left' => __( 'Header Left', 'onego' ),
		'header_right' => __( 'Header Right', 'onego' ),
		'footer_left' => __( 'Footer Left', 'onego' ),
		'footer_right' => __( 'Footer Right', 'onego' ),
	);
	register_nav_menus( $locations );

}
add_action( 'init', 'custom_navigation_menus' );