protected AbstractDirectory(FatFileSystem fs, FatFile myFile) { this(fs, (int)myFile.getLength() / 32, myFile);
protected AbstractDirectory(FatFileSystem fs, int nrEntries) { super(fs); entries.setSize(nrEntries); _dirty = false;
	protected AbstractDirectory(FatFileSystem fs, FatFile myFile) {		this(fs, (int)myFile.getLength() / 32, myFile);	}