private String _read()
	{
		try
		{
			String line; // read it in from the inputstream
			
			if((line = reader.readLine()).startsWith("PING "))
			{
				_write("PONG " + line.substring(5));
				return line;
			}
			else
			{
				return line;
			}
		}
		catch(IOException e)
		{
			System.err.println("IOException thrown [_read() : NetClient] :" + e.getMessage());
			return null;
		}
	}