sub render_field {
    my ($self, $fieldname) = @_;

    my $field = $self->form->field($fieldname);
    ## figure out what field template we need to load based on the field
    my @templates_to_try = (
                                $self->form->name . '/' . $fieldname,
                                $self->form->name . '/' . $field->field_type,
                                $fieldname,
                                $field->field_type
                           );

    ## Order for trying templates should be:
    ## formname/fieldname
    ## formname/fieldtype
    ## fieldname
    ## fieldtype

    ## --jk need to set up $vars and such.
    my $output;
    my $vars = {};
    my $template_found = 0;
    foreach my $template_name (@templates_to_try) {
        my $res = $self->template->process($template_name, $vars, \$output);
        if ($res) {
            $template_found = 1;
            last;
        }
    }
    if (!$template_found) {
        ## crap.  throw an error or something, we couldn't find ANY matching template.
        croak "Unable to find any template for " . $self->form->name . ':' . $field->name . " tried: " . join(", ", @templates_to_try);
    }
    return $output;
}