public function onBeforeRender(AnEvent $event)
    {
        if($this->_option == 'com_people' && $this->_viewer->guest()) {
            if (in_array($this->_view, array('session', 'person'))) {
                $this->_addScripts();
            }
        }

        if (
            $this->_option === 'com_groups' &&
            $this->_view === 'group' &&
            $this->_id === 0 &&
            in_array($this->_layout, array('add', 'form'))
        ) {
            $this->_addScripts();
        }
    }