window.replace to avoid back button hell loop

quiz/templates/instructor.html

@@ -93,6 +93,7 @@
         .list_quiz_info {
             text-decoration: none;
             margin-top: 10px;
+            cursor: pointer;
             display: block;
             height: 70px;
             width: 100%;
@@ -196,7 +197,7 @@
             <h2>Quiz list:</h2>
             <ul>
             {%for q in all_quizes %}
-                <li><a href="/instructor/?quiz_id={{quiz.quizId}}" class="list_quiz_info">
+                <li><a onclick="switch_quiz({{q.quizId}})" class="list_quiz_info">
                     <h1>{{q.quizInfo}}</h1>
                     <h3>{{q.quizCode}}</h3>
                     </a>
@@ -263,6 +264,9 @@
                 return this.style.display === 'table-row' ? 'none' : 'table-row';
             });
         });
+        function switch_quiz(x) {
+            window.location.replace('/instructor/?quiz_id='+x);
+        }
     </script>
 </body>
 </html>
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