Ticket #14858: change_form_r14851_js_bug_fix.diff

django/contrib/admin/templates/admin/change_form.html

@@ -60 +60 @@
 {% submit_row %}
 
 {% if adminform and add %}
-   <script type="text/javascript">document.getElementById("{{ adminform.first_field.auto_id }}").focus();</script>
+<script type="text/javascript">
+    var adminform = document.forms["{{ opts.module_name }}_form"];
+    var first_field = adminform["{{ adminform.first_field.auto_id }}"];
+    if(first_field !== undefined) {
+        first_field.focus();
+    } else {
+        // First field could be datetime split into two fields.
+        // For example: id_created_datetime_0
+        first_field = adminform["{{ adminform.first_field.auto_id }}_0"];
+        first_field.focus()
+        // In the very exceptional circumstance that the
+        // first_field is still undefined let it error.
+    }
+</script>
 {% endif %}
 
 {# JavaScript for prepopulated fields #}