diff --git a/presentation/lookAndFeel/knowledgeTree/search/booleanSearchUtil.inc b/presentation/lookAndFeel/knowledgeTree/search/booleanSearchUtil.inc
deleted file mode 100644
index ae7fdfb..0000000
--- a/presentation/lookAndFeel/knowledgeTree/search/booleanSearchUtil.inc
+++ /dev/null
@@ -1,141 +0,0 @@
-<?php
-/**
- * $Id$
- *
- * Business logic related to Boolean Search.  This allows client-side construction
- * of complex searches.
- *
- * Copyright (c) 2005 Jam Warehouse http://www.jamwarehouse.com
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * 
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * @version $Revision$
- * @author Brad Shuttleworth, Jam Warehouse (Pty) Ltd, South Africa
- * @package search
- */
-
-/*   getBooleanSearchResults.
- *
- *   What gets passed in from the Ajax generated environment looks as follows:
- *     boolean_search[x] = array();           // x is a client-side generated index for the criterion.
- *     boolean_search[x]["type"] = Criterion::getID; // straight out, so none of this "bumpf".
- *     boolean_search[x]["data"] = array();
- *     boolean_search[x]["data"][y] = value; // where "y" is whatever-the-hell each thing is. essentially, pass boolean_search[x]["data"] as $aRequest;. 
- */
-
-function getBooleanSearchResults($aOrigReq, $iStartIndex) {
-    global $default;
-
-    $sRefreshMessage = "<table><tr><td align=\"center\">" . _("If your browser displays a 'Warning: Page has Expired' message when you attempt to return to these search results, please click your browser's 'Refresh' button") . "</td></tr></table>";
-
-    $aReq = array();
-    foreach ($aOrigReq as $k => $v) {
-        if (searchCriteria($k) === 1) {
-            $v = trim($v);
-            if ($v === "") {
-                continue;
-            }
-            if ($v === "-1") {
-                continue;
-            }
-            $aReq[$k] = $v;
-        }
-    }
-
-    $aIDs = array_unique(array_map("criteriaNumber", array_keys($aReq)));
-    $aSQL = array();
-    $aJoinSQL = array();
-    foreach ($aIDs as $iID) {
-        $oCriterion =& Criteria::getCriterionByNumber($iID);
-        $res = $oCriterion->searchSQL($aReq);
-        if (!is_null($res)) {
-            $aSQL[] = $res;
-        }
-        $res = $oCriterion->searchJoinSQL();
-        if (!is_null($res)) {
-            $aJoinSQL[] = $res;
-        }
-    }
-    $aCritParams = array();
-    $aCritQueries = array();
-    foreach ($aSQL as $sSQL) {
-        if (is_array($sSQL)) {
-            $aCritQueries[] = $sSQL[0];
-            $aCritParams = array_merge($aCritParams , $sSQL[1]);
-        } else {
-            $aCritQueries[] = $sSQL;
-        }
-    }
-
-    if (count($aCritQueries) == 0) {
-        return "No search criteria were specified";
-    }
-
-    $sSQLSearchString = join(" AND ", $aCritQueries);
-    $sJoinSQL = join(" ", $aJoinSQL);
-
-    $sToSearch = KTUtil::arrayGet($aOrigReq, 'fToSearch', 'Live');
-
-    $sQuery = DBUtil::compactQuery("
-SELECT
-    F.name AS folder_name, F.id AS folder_id, D.id AS document_id,
-    D.name AS document_name, D.filename AS file_name, COUNT(D.id) AS doc_count, 'View' AS view
-FROM
-    $default->documents_table AS D
-    INNER JOIN $default->folders_table AS F ON D.folder_id = F.id
-    $sJoinSQL
-    INNER JOIN $default->search_permissions_table AS SDUL ON SDUL.document_id = D.id
-    INNER JOIN $default->status_table AS SL on D.status_id=SL.id
-WHERE
-	(F.is_public OR
-    SDUL.user_id = ?)
-    AND SL.name = ?
-    AND ($sSQLSearchString)
-GROUP BY D.id
-ORDER BY doc_count DESC");
-
-    $aParams = array();
-    $aParams[] = $_SESSION["userID"];
-    $aParams[] = $sToSearch;
-    $aParams = array_merge($aParams, $aCritParams);
-
-    //var_dump(DBUtil::getResultArray(array($sQuery, $aParams)));
-    //exit(0);
-
-    $aColumns = array("folder_name", "file_name", "document_name", "doc_count", "view");
-    $aColumnTypes = array(3,3,3,1,3);
-    $aColumnHeaders = array("<font color=\"ffffff\"><img src=$default->graphicsUrl/widgets/dfolder.gif>" . _("Folder") . "</font>", "<font color=\"ffffff\">" . _("Name") . "</font>", "<font color=\"ffffff\">" . _("Title") . "</font>", "<font color=\"ffffff\">" . _("Matches") . "</font>", "<font color=\"ffffff\">" . _("View") . "</font>");
-    $aLinkURLs = array("$default->rootUrl/control.php?action=browse","$default->rootUrl/control.php?action=viewDocument", "$default->rootUrl/control.php?action=viewDocument", null, "$default->rootUrl/control.php?action=downloadDocument");
-    $aDBQueryStringColumns = array("document_id","folder_id");
-    $aQueryStringVariableNames = array("fDocumentID", "fFolderID");
-
-    $oPatternBrowse = & new PatternBrowseableSearchResults(array($sQuery, $aParams), 10, $aColumns, $aColumnTypes, $aColumnHeaders, $aLinkURLs, $aDBQueryStringColumns, $aQueryStringVariableNames);
-    $oPatternBrowse->setStartIndex($iStartIndex);
-    $oPatternBrowse->setSearchText("");
-    $oPatternBrowse->setRememberValues($aReq);
-    $sForSearch = "<input type=\"hidden\" name=\"fForSearch\" value=\"1\" />";
-
-    return renderHeading(_("Advanced Search")) . $oPatternBrowse->render() . $sForSearch . $sRefreshMessage;
-}
-
-function dealWithAdvancedSearch($aReq, $iStartIndex) {
-    global $main;
-    $oPatternCustom = & new PatternCustom();
-    $oPatternCustom->setHtml(getAdvancedSearchResults($aReq, $iStartIndex));
-    $main->setCentralPayload($oPatternCustom);				                                
-    $main->render();
-}
-
-?>