diff --git a/django/contrib/admin/options.py b/django/contrib/admin/options.py
index 91b81a42e0..3a0ad7475d 100644
--- a/django/contrib/admin/options.py
+++ b/django/contrib/admin/options.py
@@ -779,7 +779,9 @@ class ModelAdmin(BaseModelAdmin):
return HttpResponseRedirect(post_url_continue % pk_value)
if "_popup" in request.POST:
- return HttpResponse('' % \
+ return HttpResponse(
+ ''
+ '' % \
# escape() calls force_unicode.
(escape(pk_value), escapejs(obj)))
elif "_addanother" in request.POST:
diff --git a/django/contrib/admin/static/admin/js/admin/RelatedObjectLookups.js b/django/contrib/admin/static/admin/js/admin/RelatedObjectLookups.js
index 1bc78f89b1..ce54fa5083 100644
--- a/django/contrib/admin/static/admin/js/admin/RelatedObjectLookups.js
+++ b/django/contrib/admin/static/admin/js/admin/RelatedObjectLookups.js
@@ -74,11 +74,12 @@ function dismissAddAnotherPopup(win, newId, newRepr) {
var name = windowname_to_id(win.name);
var elem = document.getElementById(name);
if (elem) {
- if (elem.nodeName == 'SELECT') {
+ var elemName = elem.nodeName.toUpperCase();
+ if (elemName == 'SELECT') {
var o = new Option(newRepr, newId);
elem.options[elem.options.length] = o;
o.selected = true;
- } else if (elem.nodeName == 'INPUT') {
+ } else if (elemName == 'INPUT') {
if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {
elem.value += ',' + newId;
} else {