add: gtk_widget_set_sensitive (totem->fs_seek, gtk_xine_is_seekable(GTK_XINE (totem->gtx))); gtk_widget_set_sensitive (totem->seek, gtk_xine_is_seekable(GTK_XINE (totem->gtx)));
context: totem_action_play (Totem *totem, int offset){	int retval;	D("action_play");	if (totem->mrl == NULL)		return;	retval = gtk_xine_play (GTK_XINE (totem->gtx), totem->mrl, offset , 0);	play_pause_set_label (totem, retval);}