Log.log(Log.TRACE, MODULE, "preloadThumbnailFilenames " + filenames);
Log.log(Log.LEVEL_TRACE, MODULE, "preloadThumbnailFilenames " + filenames);
	public void preloadThumbnailFilenames( Enumeration filenames ) {		Log.log(Log.TRACE, MODULE, "preloadThumbnailFilenames " + filenames);		while ( filenames.hasMoreElements() ) {			String filename = (String) filenames.nextElement();			if (!thumbnails.containsKey(filename)) {				toLoad.add( 0, filename );			}		}		rerun();	}