function __construct()
 {
     global $cms_nav_ie_ver, $sitepress;
     if (!isset($sitepress)) {
         $sitepress = new SitePress();
         $sitepress->initialize_cache();
     }
     $sitepress_settings = $sitepress->get_settings();
     $this->settings = $sitepress_settings['modules']['cms-navigation'];
     $cms_nav_user_agent = $_SERVER['HTTP_USER_AGENT'];
     if (preg_match('#MSIE ([0-9]+)\\.[0-9]#', $cms_nav_user_agent, $matches)) {
         $cms_nav_ie_ver = $matches[1];
     }
     add_action('icl_navigation_breadcrumb', array($this, 'cms_navigation_breadcrumb'));
     add_action('icl_navigation_menu', array($this, 'cms_navigation_menu_nav'));
     add_action('icl_navigation_sidebar', array($this, 'cms_navigation_page_navigation'));
     add_action('save_post', array($this, 'cms_navigation_update_post_settings'));
     add_action('admin_head', array($this, 'cms_navigation_page_edit_options'));
     add_action('admin_head', array($this, 'cms_navigation_js'));
     add_action('init', array($this, 'cms_navigation_css'));
     add_action('plugins_loaded', array($this, 'sidebar_navigation_widget_init'));
     add_filter('page_link', array($this, 'rewrite_page_link'), 15, 2);
     add_action('parse_query', array($this, 'redirect_offsite_urls'));
     add_filter('permalink_structure_changed', array($this, 'clear_cache'));
     add_filter('update_option_show_on_front', array($this, 'clear_cache'));
     add_filter('update_option_page_on_front', array($this, 'clear_cache'));
     add_filter('update_option_page_for_posts', array($this, 'clear_cache'));
     add_action('delete_post', array($this, 'clear_cache'));
     add_action('delete_category', array($this, 'clear_cache'));
     add_action('create_category', array($this, 'clear_cache'));
     add_action('edited_category', array($this, 'clear_cache'));
     // not needed - save_post handles this
     //add_action('trashed_post', array($this,'clear_cache'));
     //add_action('untrashed_post', array($this,'clear_cache'));
 }