diff --git a/django/contrib/admin/media/js/admin/RelatedObjectLookups.js b/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
index b690bf6bee..35b949b30d 100644
--- a/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
+++ b/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
@@ -3,7 +3,13 @@
 
 function showRelatedObjectLookupPopup(triggeringLink) {
     var name = triggeringLink.id.replace(/^lookup_/, '');
-    var win = window.open(triggeringLink.href + '?pop=1', name, 'height=500,width=740,resizable=yes,scrollbars=yes');
+    var href
+    if (triggeringLink.href.search(/\?/) >= 0) {
+        href = triggeringLink.href + '&pop=1';
+    } else {
+        href = triggeringLink.href + '?pop=1'
+    }
+    var win = window.open(href, name, 'height=500,width=740,resizable=yes,scrollbars=yes');
     win.focus();
     return false;
 }
diff --git a/django/contrib/admin/templates/widget/foreign.html b/django/contrib/admin/templates/widget/foreign.html
index 1ac9b29844..582d65df7f 100644
--- a/django/contrib/admin/templates/widget/foreign.html
+++ b/django/contrib/admin/templates/widget/foreign.html
@@ -1,7 +1,11 @@
 {% load admin_modify adminmedia %}
 {% output_all bound_field.form_fields %}
 {% if bound_field.raw_id_admin %}
+{% if bound_field.field.rel.limit_choices_to %}
+    <a href="../../../{{ bound_field.field.rel.to.app_label }}/{{ bound_field.field.rel.to.module_name }}/?{% for limit_choice in bound_field.field.rel.limit_choices_to.items %}{% if not forloop.first %}{{"&"|escape}}{% endif %}{{ limit_choice|join:"=" }}{% endfor %}" class="related-lookup" id="lookup_{{ bound_field.element_id }}" onclick="return showRelatedObjectLookupPopup(this);"> <img src="{% admin_media_prefix %}img/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>
+{% else %}
     <a href="../../../{{ bound_field.field.rel.to.app_label }}/{{ bound_field.field.rel.to.module_name }}/" class="related-lookup" id="lookup_{{ bound_field.element_id }}" onclick="return showRelatedObjectLookupPopup(this);"> <img src="{% admin_media_prefix %}img/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>
+{% endif %}
 {% else %}
 {% if bound_field.needs_add_label %}
     <a href="../../../{{ bound_field.field.rel.to.app_label }}/{{ bound_field.field.rel.to.module_name }}/add/" class="add-another" id="add_{{ bound_field.element_id }}" onclick="return showAddAnotherPopup(this);"> <img src="{% admin_media_prefix %}img/admin/icon_addlink.gif" width="10" height="10" alt="Add Another"/></a>