final public static void showErrorMessage( final Component parent, final String error_msg ) {
printAppletMessage( Constants.PRG_NAME, error_msg );
JOptionPane.showMessageDialog( parent, error_msg, "[" + Constants.PRG_NAME + " " + Constants.VERSION
final public static void showErrorMessage( final Component parent, final String error_msg ) {
printAppletMessage( Constants.PRG_NAME, error_msg );
JOptionPane.showMessageDialog( parent, error_msg, "[" + Constants.PRG_NAME + " " + Constants.VERSION