diff --git a/search2/ajax/metadata.php b/search2/ajax/metadata.php
index a4acd9e..0ebf048 100755
--- a/search2/ajax/metadata.php
+++ b/search2/ajax/metadata.php
@@ -7,31 +7,31 @@
  * Document Management Made Simple
  * Copyright (C) 2008, 2009 KnowledgeTree Inc.
  * Portions copyright The Jam Warehouse Software (Pty) Limited
- * 
+ *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 3 as published by the
  * Free Software Foundation.
- * 
+ *
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  * details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
- * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco, 
+ *
+ * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
  * California 94120-7775, or email info@knowledgetree.com.
- * 
+ *
  * The interactive user interfaces in modified source and object code versions
  * of this program must display Appropriate Legal Notices, as required under
  * Section 5 of the GNU General Public License version 3.
- * 
+ *
  * In accordance with Section 7(b) of the GNU General Public License version 3,
  * these Appropriate Legal Notices must retain the display of the "Powered by
- * KnowledgeTree" logo and retain the original copyright notice. If the display of the 
+ * KnowledgeTree" logo and retain the original copyright notice. If the display of the
  * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
- * must display the words "Powered by KnowledgeTree" and retain the original 
+ * must display the words "Powered by KnowledgeTree" and retain the original
  * copyright notice.
  * Contributor( s): ______________________________________
  *
@@ -39,6 +39,8 @@
 
 require_once('ajax.inc.php');
 
+$userID = AjaxSearchHelper::getSessionUser();
+
 $what = AjaxSearchHelper::checkGET('what', AjaxSearchHelper::STATUS_MISSING_WHAT , _kt('What is required? fieldsets or fields?'));
 
 switch ($what)
diff --git a/search2/ajax/parseExpr.php b/search2/ajax/parseExpr.php
index a9cd580..80a6e8c 100755
--- a/search2/ajax/parseExpr.php
+++ b/search2/ajax/parseExpr.php
@@ -6,31 +6,31 @@
  * Document Management Made Simple
  * Copyright (C) 2008, 2009 KnowledgeTree Inc.
  * Portions copyright The Jam Warehouse Software (Pty) Limited
- * 
+ *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 3 as published by the
  * Free Software Foundation.
- * 
+ *
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  * details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
- * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco, 
+ *
+ * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
  * California 94120-7775, or email info@knowledgetree.com.
- * 
+ *
  * The interactive user interfaces in modified source and object code versions
  * of this program must display Appropriate Legal Notices, as required under
  * Section 5 of the GNU General Public License version 3.
- * 
+ *
  * In accordance with Section 7(b) of the GNU General Public License version 3,
  * these Appropriate Legal Notices must retain the display of the "Powered by
- * KnowledgeTree" logo and retain the original copyright notice. If the display of the 
+ * KnowledgeTree" logo and retain the original copyright notice. If the display of the
  * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
- * must display the words "Powered by KnowledgeTree" and retain the original 
+ * must display the words "Powered by KnowledgeTree" and retain the original
  * copyright notice.
  * Contributor( s): ______________________________________
  *
@@ -38,6 +38,8 @@
 
 require_once('ajax.inc.php');
 
+$userID = AjaxSearchHelper::getSessionUser();
+
 $txtQuery = AjaxSearchHelper::checkGET('txtQuery',AjaxSearchHelper::STATUS_MISSING_QUERY ,_kt('Query is empty'));
 
 AjaxSearchHelper::parseQuery($txtQuery);
diff --git a/search2/ajax/searchFields.php b/search2/ajax/searchFields.php
index ca3d0e3..333205e 100755
--- a/search2/ajax/searchFields.php
+++ b/search2/ajax/searchFields.php
@@ -6,38 +6,41 @@
  * Document Management Made Simple
  * Copyright (C) 2008, 2009 KnowledgeTree Inc.
  * Portions copyright The Jam Warehouse Software (Pty) Limited
- * 
+ *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 3 as published by the
  * Free Software Foundation.
- * 
+ *
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  * details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
- * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco, 
+ *
+ * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
  * California 94120-7775, or email info@knowledgetree.com.
- * 
+ *
  * The interactive user interfaces in modified source and object code versions
  * of this program must display Appropriate Legal Notices, as required under
  * Section 5 of the GNU General Public License version 3.
- * 
+ *
  * In accordance with Section 7(b) of the GNU General Public License version 3,
  * these Appropriate Legal Notices must retain the display of the "Powered by
- * KnowledgeTree" logo and retain the original copyright notice. If the display of the 
+ * KnowledgeTree" logo and retain the original copyright notice. If the display of the
  * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
- * must display the words "Powered by KnowledgeTree" and retain the original 
+ * must display the words "Powered by KnowledgeTree" and retain the original
  * copyright notice.
  * Contributor( s): ______________________________________
  *
  */
 require_once('ajax.inc.php');
 
+// ensure that the session exists
+$userID = AjaxSearchHelper::getSessionUser();
+
 $reg = ExprFieldRegistry::getRegistry();
 
 AjaxSearchHelper::getSearchFields();
-?>
+?>
\ No newline at end of file
diff --git a/search2/ajax/treeNodes.php b/search2/ajax/treeNodes.php
index d64a101..20ed233 100755
--- a/search2/ajax/treeNodes.php
+++ b/search2/ajax/treeNodes.php
@@ -6,38 +6,41 @@
  * Document Management Made Simple
  * Copyright (C) 2008, 2009 KnowledgeTree Inc.
  * Portions copyright The Jam Warehouse Software (Pty) Limited
- * 
+ *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 3 as published by the
  * Free Software Foundation.
- * 
+ *
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  * details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
- * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco, 
+ *
+ * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
  * California 94120-7775, or email info@knowledgetree.com.
- * 
+ *
  * The interactive user interfaces in modified source and object code versions
  * of this program must display Appropriate Legal Notices, as required under
  * Section 5 of the GNU General Public License version 3.
- * 
+ *
  * In accordance with Section 7(b) of the GNU General Public License version 3,
  * these Appropriate Legal Notices must retain the display of the "Powered by
- * KnowledgeTree" logo and retain the original copyright notice. If the display of the 
+ * KnowledgeTree" logo and retain the original copyright notice. If the display of the
  * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
- * must display the words "Powered by KnowledgeTree" and retain the original 
+ * must display the words "Powered by KnowledgeTree" and retain the original
  * copyright notice.
  * Contributor( s): ______________________________________
  *
  */
 require_once('ajax.inc.php');
 
+// ensure that the session exists
+$userID = AjaxSearchHelper::getSessionUser();
+
 $folderID = AjaxSearchHelper::checkGET('folderid', AjaxSearchHelper::STATUS_MISSING_FOLDER, _kt('Folder id is not specified.'));
 AjaxSearchHelper::getFolder($folderID);
 
-?>
+?>
\ No newline at end of file