private JButton createLoadWorldButton() {
acLoadWorld = new AbstractAction("Load World") {
public void actionPerformed(ActionEvent e) {
FileChooserDialog ufd = new FileChooserDialog();
try {
loadWorld(ufd.loadFile(new Frame(), "Open...", ".\\", "*.tdb"));
JOptionPane.showMessageDialog(null, "The file was loaded!");
} catch (Exception exc) {
exc.printStackTrace();
JOptionPane.showMessageDialog(null, "Error loading file.");
}