private void writeBytes( int db, int ln, byte[] b )
	{
		RandomAccessFile f = ( db==0 ? fdbf : db==1 ? ffpt : fcdx );
		int l = b.length;
		try { f.write(b,0,Math.min(ln,l)); }
		catch (IOException e) { e.printStackTrace(); }
		if(ln>l)
			{
			try { f.writeBytes(Spaces(ln-l)); }
			catch (IOException e) { e.printStackTrace(); }
			}
	}