Log.log(Log.LEVEL_TRACE, MODULE, "preloadThumbnails " + pictures);
Log.log(Log.LEVEL_TRACE, MODULE, "preloadThumbnails");
	public void preloadThumbnails(Iterator pictures) {		Log.log(Log.LEVEL_TRACE, MODULE, "preloadThumbnails " + pictures);		while (pictures.hasNext()) {			Picture p = (Picture) pictures.next();			if (!thumbnails.containsKey(p)) {				toLoad.add(0, p);			}		}		rerun();	}