//most of this is from https://gist.github.com/harisupriyanto/6805988

    String loginUrl = "http://lionel2.kgv.edu.hk";
    int loginFormNum = 1;
    String usernameInputName = "nameinput";
    String passwordInputName = "passinput";
    String submitLoginButtonValue = "Sign In";

    // create the HTMLUnit WebClient instance
    WebClient wclient = new WebClient();

    // configure WebClient based on your desired
    wclient.getOptions().setPrintContentOnFailingStatusCode(false);
    wclient.getOptions().setCssEnabled(true);
    wclient.getOptions().setThrowExceptionOnFailingStatusCode(false);
    wclient.getOptions().setThrowExceptionOnScriptError(false);

try {

      final HtmlPage loginPage = (HtmlPage)wclient.getPage(loginUrl);

      final HtmlForm loginForm = loginPage.getForms().get(loginFormNum);

      final HtmlTextInput txtUser = loginForm.getInputByName(usernameInputName);
      txtUser.setValueAttribute(username);
      final HtmlPasswordInput txtpass = loginForm.getInputByName(passwordInputName);
      txtpass.setValueAttribute(password);
      final HtmlSubmitInput submitLogin = loginForm.getInputByValue(submitLoginButtonValue);


      final HtmlPage returnPage = submitLogin.click();

      final HtmlElement returnBody = returnPage.getBody();
      //if (//there is a class called "Login info, then print out the     nodeValue.) {

     // }

    } catch(FailingHttpStatusCodeException e) {
      e.printStackTrace();
    } catch(Exception e) {
      e.printStackTrace();
    }
  }