add check for numeric fields

common/djangoapps/student/views.py

@@ -711,6 +711,14 @@ def create_account(request, post_override=None):
             js['field'] = a
             return HttpResponse(json.dumps(js))
 
+    numeric_post_vars = ["education_year","work_managing_experience","work_teaching_experience", "work_qualification_category_year", "contact_phone"]
+
+    for a in numeric_post_vars:
+        if len(post_vars[a]) > 0 and not post_vars[a].isdigit():
+            js['value'] = _("Field must be numeric")
+            js['field'] = a
+            return HttpResponse(json.dumps(js))
+
     try:
         validate_email(post_vars['email'])
     except ValidationError:

lms/templates/courseware/course_navigation.html

@@ -21,7 +21,7 @@ def url_class(is_active):
       % for tab in get_course_tabs(user, course, active_page):
           <li>
              <a href="${tab.link | h}" class="${url_class(tab.is_active)}">
-                 ${_(tab.name | h)}
+                 ${_(tab.name) | h}
                  % if tab.is_active == True:
                   <span class="sr">, current location</span>
                  %endif