"Inspect transfered data from server to "
+ "client using firebug (http request / response cycles)."
+ " See how widgets are re-used,"
+ " after each panel is once shown in GUI then"
+ " their contents are not resend."));
mainWindow.addComponent(buttonNextPanel);
mainWindow.addComponent(panelA);
mainWindow.addComponent(panelB);
mainWindow.addComponent(panelC);
selectPanel(selectedPanel);