{% if not request.user.is_authenticated and not "/accounts/login" in request.get_full_path %}
            <form class='navbar-form navbar-right' method='POST' action='{% url "auth_login" %}'>{% csrf_token %}
              <div class='form-group'>
                  <input type='text' class='form-control' name='username' placeholder='Username' /> 
              </div>
              <div class='form-group'>
                  <input type='password' class='form-control' name='password' placeholder='Password' />
              </div>
              <button type='submit' class='btn btn-default'>Login</button>
          </form>
          {% endif %}