Control[] ca = JNC.getContentComposite().getChildren();
for(int i=0; i<ca.length; i++) ca[i].dispose();
WizzardPage wp;
if(page == PAGE_CREATE_PROJECT) wp = new CreateProjectPage();
else if(page == PAGE_SOURCE) wp = new SourcePage();
else if(page == PAGE_BASIC_SETTINGS) wp = new BasicSettingsPage();
else if(page == PAGE_ADVANCED_SETTINGS) wp = new AdvancedSettingsPage();
else if(page == PAGE_COMPILATION) wp = new CompilationPage();
else wp = new IntroductionPage();