rem: playing = totem_playing_media (totem);
add: playing = totem_is_media (totem->mrl);
context: update_media_menu_items (Totem *totem){        GtkWidget *item;        gboolean playing;	playing = totem_playing_dvd (totem);	item = glade_xml_get_widget (totem->xml, "tmw_dvd_root_menu_item");	gtk_widget_set_sensitive (item, playing);        item = glade_xml_get_widget (totem->xml, "tmw_dvd_title_menu_item");	gtk_widget_set_sensitive (item, playing);        item = glade_xml_get_widget (totem->xml, "tmw_dvd_audio_menu_item");	gtk_widget_set_sensitive (item, playing);        item = glade_xml_get_widget (totem->xml, "tmw_dvd_angle_menu_item");	gtk_widget_set_sensitive (item, playing);        item = glade_xml_get_widget (totem->xml, "tmw_dvd_chapter_menu_item");	gtk_widget_set_sensitive (item, playing);	playing = totem_playing_media (totem);	item = glade_xml_get_widget (totem->xml, "tmw_eject_menu_item");	gtk_widget_set_sensitive (item, playing);}