if(client == null) return;
	public void delete(String path)	{		FtpAddress address = new FtpAddress(path);		FtpClient client = createFtpClient(null,address.host,			address.port,address.user,address.password,true);		try		{			if(client == null)				return;			client.delete(address.path);			client.logout();		}		catch(IOException io)		{			Log.log(Log.ERROR,this,io);		}	}