private void loginbutton_Click(object sender, EventArgs e)
        {
            string[] username = new string[8];
            string[] password = new string[8];
            username[0] = "user1";    password[0] = "pass1";
            username[1] = "user2";    password[1] = "pass2";
            username[2] = "user3";    password[2] = "pass3";
            username[3] = "user4";    password[3] = "pass4";
            username[4] = "user5";    password[4] = "pass5";
            username[5] = "user6";    password[5] = "pass6";
            username[6] = "user7";    password[6] = "pass7";
            username[7] = "glararan"; password[7] = "glararan";
            for (int i = 0; i < 8; i++)
            {
                if (usernamebox.Text == username[i])
                {
                    if (passwordbox.Text == password[i])
                    {
                        MessageBox.Show("Login successful.");
                        this.Hide();
                        MainForm form1 = new MainForm();
                        form1.Show();
                    }
                    else
                    {
                        //if(Script_generator___NPC_AI.Properties.Settings.Default.language.GetType == english)
                        //{
                        MessageBox.Show("Wrong password.");
                        //}
                        /*if(Script_generator___NPC_AI.Properties.Settings.Default.language.GetType == czech)
                        {
                            MessageBox.Show("Špatné heslo.");
                        }*/
                        Application.Exit();
                    }
                }
                else
                {
                    MessageBox.Show("Wrong username.Try again.");
                }
            }
        }