static public function menu() {
        add_menu_page('HTML5 Video & Audio Manager', 'HTML5 AV', 'edit_posts', 'html5av.php', array('html5av_manager', 'videoAudioManagerPanel'));
        add_submenu_page('html5av.php', 'HTML5 Video & Audio Manager', 'HTML5 Video & Audio Manager', 'edit_posts', 'html5av.php', array('html5av_manager', 'videoAudioManagerPanel'));
        add_submenu_page('html5av.php', 'Add Video', 'Add Video', 'edit_posts', 'html5av-add-video.php', array('html5av_manager', 'videoAddPanel'));
        add_submenu_page('html5av.php', 'Add Audio', 'Add Audio', 'edit_posts', 'html5av-add-audio.php', array('html5av_manager', 'audioAddPanel'));
        add_submenu_page('html5av.php', 'Settings', 'Settings', 'manage_options', 'html5av-setting.php', array('html5av_manager', 'settingsPanel'));
        $settings = array(
            'html5av_manager_position',
            'html5av_manager_video_view',
            'html5av_manager_audio_view'
        );
        foreach ($settings as $setting) {
            register_setting('html5av_manager_settting', $setting);
        }
        unset($settings);

        if (function_exists('add_meta_box')) {
            add_meta_box('html5av_manager_widget', 'HTML5 AV Manager', array('html5av_manager', 'widget'), 'post', 'advanced');
            add_meta_box('html5av_manager_widget', 'HTML5 AV Manager', array('html5av_manager', 'widget'), 'page', 'advanced');
            add_meta_box('html5av_manager_widget', 'HTML5 AV Manager', array('html5av_manager', 'widget'), 'custom_post_type', 'advanced');
        }
    }