private void addArticle(String article)
{
String title = article.substring(0, article.length() - 3);
MarkdownLabel markdownLabel = new MarkdownLabel(articles.newChildId(),
new MarkdownArticleModel(ComponentExamplesPage.class, article));
articles.add(markdownLabel);
markdownLabel.setMarkupId(title);
markdownLabel.setOutputMarkupId(true);
WebMarkupContainer menuitem = new WebMarkupContainer(menuitems.newChildId());