public static void main(String args[]) {
        //**********************************************************************************************************************
        //**********************************************************************************************************************
        // <editor-fold defaultstate="collapsed" desc="// SETS WINDOWS STYLE IN WINDOWS SYSTEMS AND AQUA STYLE IN MAC SYSTEMS. FOR OTHER SYSTEMS SETS NIMBUS">   
        if (System.getProperty("os.name").startsWith("Mac OS")) {
            try {
                UIManager.setLookAndFeel("com.apple.laf.AquaLookAndFeel");
            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
                Logger.getLogger(LibraryMain.class.getName()).log(Level.SEVERE, null, ex);
            }
            
        } else if (System.getProperty("os.name").startsWith("Windows")) {
            try {
                UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
                Logger.getLogger(LibraryMain.class.getName()).log(Level.SEVERE, null, ex);
            }
        } else {
            try {
                for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                    if ("Nimbus".equals(info.getName())) {
                        javax.swing.UIManager.setLookAndFeel(info.getClassName());
                        break;
                    }
                }
            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException ex) {
                java.util.logging.Logger.getLogger(LibraryMain.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
            }
        }
        // </editor-fold> 
        //**********************************************************************************************************************
        //**********************************************************************************************************************
        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new LibraryMain().setVisible(true);
            }
        });
        
    }