static JInternalFrame showInternalFrame(final JDesktopPane desktop, fS title, final int x, final int y, final int w, final int h) {
  ret addInternalFrame(desktop, title, x, y, w, h);
}

static JInternalFrame showInternalFrame(final JDesktopPane desktop, fS title, final Component contents) {
  ret addInternalFrame(desktop, title, contents);
}