public static function NavigationMenuBegin($args)
 {
     self::$navMenuBegin = true;
     self::$navMenuClass = 'gfcustomizedmedmenuitem-' . $args['theme_location'];
     $args['menu_class'] = 'gfcustomizedmenu-' . $args['theme_location'] . ' ' . $args['menu_class'];
     $args['_orig_fallback_cb'] = $args['fallback_cb'];
     $args['fallback_cb'] = array('GFontsEngine', 'NavigationMenuEnd2');
     return $args;
 }