private void tutorialToolStripMenuItem_Click(object sender, EventArgs e)
        {
            NineOne nineOne = new NineOne();

            this.Close();
            nineOne.Show();
        }
        private void tutorialToolStripMenuItem_Click(object sender, EventArgs e)
        {
            // Hides navigation and displays tutorial
            NineOne frm91 = new NineOne();

            this.Hide();
            frm91.Show();
        }