/** Method to create and initialize the picture frame */
 private void createAndInitPictureFrame() {
   pictureFrame = new JFrame(); // create the JFrame
   pictureFrame.setResizable(true); // allow the user to resize it
   pictureFrame.getContentPane().setLayout(new BorderLayout()); // use border layout
   pictureFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); // when close stop
   pictureFrame.setTitle(picture.getTitle());
   PictureExplorerFocusTraversalPolicy newPolicy = new PictureExplorerFocusTraversalPolicy();
   pictureFrame.setFocusTraversalPolicy(newPolicy);
 }