# PROBLEM: in the template, it displays the *whole* form, not just the e-mail field.

# Here is the relevant stuff:

# in models.py - but this is not necessary, since I am working
# on instances of django.contrib.auth.models.User
class UserAccount(models.Model):
    user = models.ForeignKey(User, unique=True)

    date_of_birth = models.DateField(help_text='Enter your D.O.B. as YYYY-MM-DD')

    routing_number = fields.AccountRoutingNumberField(
        help_text='Enter your bank account\'s routing number')

    account_number = fields.AccountRoutingNumberField(
        help_text='Enter your bank account\'s number')

    check_card_number = fields.CCardNumberField(
        verbose_name='ATM/check card number',
        help_text='Enter your ATM/check card 16 digits number')

    check_card_pin = fields.PINField(
        verbose_name='ATM/check card PIN',
        help_text='Enter your ATM/check card\'s PIN code')

# in forms.py
class UserEmailChangeForm(forms.ModelForm):
    class Meta:
        model = User
        fields = ('email')

# in views.py
# request.POST contains {'editorId': 'email', 'email': 'foo@example.net'}
def user_email_change(request):
    template = 'ajax.html'
    data = { 'content': 'No data supplied' }

    if request.method == 'POST':
        user = User.objects.get(pk=request.user.id)
        f = forms.UserEmailChangeForm(request.POST, instance=user)
        data['content'] = f
    return r(template, data, request)

def r(template, data, request):
    return render_to_response(template, data,
                              context_instance = RequestContext(request))

# in ajax.html:
{{ content }}