private void showHelp(String help[]) {
txtCommand.setText(help[0]);
bHelp = true;
pResult.removeAll();
pResult.add(txtResultScroll, BorderLayout.CENTER);
pResult.doLayout();
txtResult.setText(help[1]);
pResult.repaint();
txtCommand.requestFocus();
txtCommand.setCaretPosition(help[0].length());
}
// called by the Client to append text in the TextArea
void append(String str) {
chatArea.append(str);
chatArea.setCaretPosition(chatArea.getText().length() - 1);
}