/**
  * PHPDOC
  *
  * @return WP_Theme PHPDOC
  *
  * @since PHPDOC
  */
 private function get_actual_theme()
 {
     if (!$this->actual_theme) {
         require_once NELIOAB_MODELS_DIR . '/visitor.php';
         remove_filter('stylesheet', array(&$this, 'modify_stylesheet'));
         remove_filter('template', array(&$this, 'modify_template'));
         $this->actual_theme = NelioABVisitor::get_assigned_theme();
         add_filter('stylesheet', array(&$this, 'modify_stylesheet'));
         add_filter('template', array(&$this, 'modify_template'));
     }
     return $this->actual_theme;
 }