public function addQuiz()
 {
     $in = Input::all();
     $rules = ['name' => 'required', 'topic' => 'required'];
     $validation = Validator::make($in, $rules);
     if ($validation->passes()) {
         $quiz = Quiz::create(['name' => $in['name'], 'OwnerID' => Auth::user()->StudentID, 'quizTopic' => $in['topic']])->id;
         return Redirect::to('/')->with('message', 'Quiz successfully created')->with('url', '/quiz/view/' . $quiz);
     }
     return Redirect::to('/')->with('message', 'Error quiz creation. Click view to create again')->with('url', '/quiz/create/');
 }
     break;
 case 1:
     // save the quiz information
     // get the unikey from the form
     $key = $_POST['unikey'];
     $type = $_GET['type'];
     $mode = $_GET['mode'];
     // save the data from step 1
     $quiz_picture = $_POST['result_picture_0'] != "" ? $_POST['result_picture_0'] : "none.gif";
     if (isset($_POST['id'])) {
         $quiz = new Quiz($_POST['id']);
         $quiz_id = $quiz->update($_POST['quiz_title'], $_POST['quiz_description'], $_POST['quiz_cat'], $quiz_picture, $member->id);
     } else {
         $quiz = new Quiz();
         //function createQuiz($title, $description, $cat, $picture, $member_id, $key, $display_mode) from quiz.php
         $quiz_id = $quiz->create($_POST['quiz_title'], $_POST['quiz_description'], $_POST['quiz_cat'], $quiz_picture, $member->id, $key, $mode);
     }
     // direct them to step 2
     //if($_POST['save'] == "Previous Step"){
     //header("Location: ../webroot/createQuiz.php?step=0");
     //}else{
     header("Location: ../webroot/createQuiz.php?step=2&id=" . $quiz_id);
     //}
     break;
 case 2:
     // save the quiz results
     // get the id from the form
     $quiz_id = $_POST['id'];
     //***********************************************ADD BY LIEN************************************************//
     $queryMode = sprintf("SELECT display_mode FROM q_quizzes WHERE quiz_id = %d", $quiz->quiz_id);
     $resultMode = mysql_query($queryMode, $quizroo) or die(mysql_error());