small fix to filtermenu

verse/templates/filtermenu.html

@@ -4,7 +4,7 @@
   <button id="Academicyear" class="dropbtn">Academic year</button>
    <div class="dropdown-content">
      {% for year in years %}
-     	<button type="button" name="button" onclick="filterSelection('{{ year[1] }}', 'Academicyear')" >{{ year[1] }}</button>
+     	<button type="button" name="button" onclick="filterSelection('{{ year[0] }}', 'Academicyear')" >{{ year[1] }}</button>
      {% endfor %}
    </div>
  </div>
@@ -12,7 +12,7 @@
    <button id="Term" class="dropbtn">Term</button>
     <div class="dropdown-content">
       {% for term in terms %}
-      	<button type="button" name="button" onclick="filterSelection('{{ term[1] }}', 'Term')" >{{ term[1] }}</button>
+      	<button type="button" name="button" onclick="filterSelection('{{ term[0] }}', 'Term')" >{{ term[1] }}</button>
       {% endfor %}
     </div>
   </div>
@@ -20,7 +20,7 @@
     <button id="Course" class="dropbtn">Course</button>
      <div class="dropdown-content">
        {% for course in courses %}
-         <button type="button" name="button" onclick="filterSelection('{{ course[1] }}', 'Course')" >{{ course[1] }}</button>
+         <button type="button" name="button" onclick="filterSelection('{{ course[0] }}', 'Course')" >{{ course[1] }}</button>
        {% endfor %}
      </div>
    </div>