panel.add(textArea);
panel.add(maskPanel);
panel.add(new PLabel("AddOn test (javascript reverse)"));
final PTextBox boxToReverse = new PTextBox();
new ReverseTextInput(boxToReverse);
final PTerminalScheduledCommand deffered = new PTerminalScheduledCommand() {
@Override
protected void run() {
panel.add(boxToReverse);