Log.log(Log.TRACE, MODULE, "preloadThumbnailFilename " + filename);
Log.log(Log.LEVEL_TRACE, MODULE, "preloadThumbnailFilename " + filename);
	public void preloadThumbnailFilename( String filename ) {		Log.log(Log.TRACE, MODULE, "preloadThumbnailFilename " + filename);				if (!thumbnails.containsKey(filename)) {			toLoad.add( 0, filename );			rerun();		}	}