rem: GCONF_PREFIX"show_vfx", NULL));
add: GCONF_PREFIX"/show_vfx", NULL));
context: show_vfx_changed_cb (GConfClient *client, guint cnxn_id,		GConfEntry *entry, gpointer user_data){	Totem *totem = (Totem *) user_data;	GtkWidget *item;	item = glade_xml_get_widget (totem->xml, "checkbutton2");	g_signal_handlers_disconnect_by_func (G_OBJECT (item),			on_checkbutton2_toggled, totem);	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (item),			gconf_client_get_bool (totem->gc,				GCONF_PREFIX"show_vfx", NULL));	g_signal_connect (G_OBJECT (item), "toggled",			G_CALLBACK (on_checkbutton2_toggled), totem);}