public void run() 
            {
                //
                Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
                //
                About dialog = new About(new javax.swing.JFrame(), true);
                //
                dialog.setLocation((dim.width-dialog.getContentPane().getWidth())/2, (dim.height-dialog.getContentPane().getHeight())/2);
                //
                dialog.addWindowListener(new java.awt.event.WindowAdapter() 
                {
                    //
                });
                //
                dialog.setVisible(true);
            }