super.onFirstShowPage();
final PVerticalPanel panelTop = new PVerticalPanel();
panelTop.setSpacing(10);
panelTop.add(new PLabel("Select your favorite color:"));
panelTop.add(newPRadioButton("color", "blue"));
panelTop.add(newPRadioButton("color", "red"));
final PRadioButton yellow = newPRadioButton("color", "yellow");
yellow.setEnabled(false);
panelTop.add(yellow);
panelTop.add(newPRadioButton("color", "green"));
final PVerticalPanel panelBottom = new PVerticalPanel();
panelBottom.setSpacing(10);
panelBottom.add(new PLabel("Select your favorite sport:"));
panelBottom.add(newPRadioButton("sport", "Polo"));
panelBottom.add(newPRadioButton("sport", "Rodeo"));
panelBottom.add(newPRadioButton("sport", "Horse racing"));
panelBottom.add(newPRadioButton("sport", "Dressage"));
panelBottom.add(newPRadioButton("sport", "Endurance riding"));