* @param e action event details object.
*/
public void actionPerformed(ActionEvent e)
{
GlobalController controller = GlobalController.SINGLETON;
ArticleListPanel articlesListPanel = controller.getMainFrame().getArticlesListPanel();
IFeedDisplay feedDisplay = articlesListPanel.getFeedView();
GlobalModel model = GlobalModel.SINGLETON;
IArticle selectedArticle = model.getSelectedArticle();
boolean articleWasSelected = feedDisplay.selectNextArticle(INavigationModes.MODE_UNREAD);