Allow selection of disabled topics as a parent

include/class.topic.php

@@ -240,6 +240,10 @@ class Topic {
         return self::getHelpTopics(true);
     }
 
+    function getAllHelpTopics() {
+        return self::getHelpTopics(false, true);
+    }
+
     function getIdByName($name, $pid=0) {
 
         $sql='SELECT topic_id FROM '.TOPIC_TABLE
@@ -256,6 +260,7 @@ class Topic {
     }
 
     function save($id, $vars, &$errors) {
+        global $cfg;
 
         $vars['topic']=Format::striptags(trim($vars['topic']));
 

include/staff/helptopic.inc.php

@@ -72,7 +72,7 @@ $info=Format::htmlchars(($errors && $_POST)?$_POST:$info);
             <td>
                 <select name="pid">
                     <option value="">&mdash; Top-Level Topic &mdash;</option><?php
-                    $topics = Topic::getHelpTopics();
+                    $topics = Topic::getAllHelpTopics();
                     while (list($id,$topic) = each($topics)) {
                         if ($id == $info['topic_id'])
                             continue; ?>