register_nav_menus(
	array(
		'main-nav' => __( 'The Main Menu', 'jointswp' ),   // Main nav in header
		'footer-links' => __( 'Footer Links', 'jointswp' ), // Secondary nav in footer
                'social_menu' => __( 'Social', 'jointswp' ) // Secondary nav in footer
	)
);

// The Off Canvas Menu
function joints_off_canvas_nav() {
	 wp_nav_menu(array(
        'container' => false,                           // Remove nav container
        'menu_class' => 'vertical menu',       // Adding custom nav class
        'items_wrap' => '<ul id="%1$s" class="%2$s" data-accordion-menu>%3$s</ul>',
        'theme_location' => 'main-nav',        			// Where it's located in the theme
        'depth' => 5,                                   // Limit the depth of the nav
        'fallback_cb' => false,                         // Fallback function (see below)
        'walker' => new Off_Canvas_Menu_Walker()
    ));
}

class Off_Canvas_Menu_Walker extends Walker_Nav_Menu {
    function start_lvl(&$output, $depth = 0, $args = Array() ) {
        $indent = str_repeat("\t", $depth);
        $output .= "\n$indent<ul class=\"vertical menu\">\n";
    }
}