Threads-menu.js provides a non-blocking Google-friendly navigation, maintains compatibility with other threads extensions and can be adapted to multiple scenarios, including half-page menus etc. Use it if you see it fit.
Files are:
threads-menu.js and threads-menu.css
Syntax is:
<div class=”nav”>
<?php wp_nav_menu( array( ‘theme_location’ => ‘primary’, ‘menu_id’ => ‘primary-menu’ ) ); ?>
</div>
Placement is suggested under the footer.