move files to new locations

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@386 b3834d28-1941-0410-a4f8-b48e95affb8f

27 files changed, 8727 insertions, 0 deletions

diff --git a/src/SemanticScuttle/Service/bookmark2tagservice.php b/src/SemanticScuttle/Service/bookmark2tagservice.php
new file mode 100644
index 0000000..918fb5b
--- /dev/null
+++ b/src/SemanticScuttle/Service/bookmark2tagservice.php
@@ -0,0 +1,478 @@
+<?php
+class Bookmark2TagService {
+	var $db;
+	var $tablename;
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new Bookmark2TagService($db);
+		return $instance;
+	}
+
+	function Bookmark2TagService(&$db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'bookmarks2tags';
+	}
+
+	function isNotSystemTag($var) {
+		if (utf8_substr($var, 0, 7) == 'system:')
+		return false;
+		else
+		return true;
+	}
+
+	function attachTags($bookmarkid, $tags, $fromApi = false, $extension = NULL, $replace = true, $fromImport = false) {
+		// Make sure that categories is an array of trimmed strings, and that if the categories are
+		// coming in from an API call to add a bookmark, that underscores are converted into strings.
+		
+		if (!is_array($tags)) {
+			$tags = trim($tags);
+			if ($tags != '') {
+				if (substr($tags, -1) == ',') {
+					$tags = substr($tags, 0, -1);
+				}
+				if ($fromApi) {
+					$tags = explode(' ', $tags);
+				} else {
+					$tags = explode(',', $tags);
+				}
+			} else {
+				$tags = null;
+			}
+		}
+
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tags = $tagservice->normalize($tags);
+
+
+		$tags_count = is_array($tags)?count($tags):0;
+		
+		for ($i = 0; $i < $tags_count; $i++) {
+			$tags[$i] = trim(strtolower($tags[$i]));
+			if ($fromApi) {
+				include_once(dirname(__FILE__) .'/../functions.inc.php');
+				$tags[$i] = convertTag($tags[$i], 'in');
+			}
+		}
+
+		if ($tags_count > 0) {
+			// Remove system tags
+			$tags = array_filter($tags, array($this, "isNotSystemTag"));
+
+			// Eliminate any duplicate categories
+			$temp = array_unique($tags);
+			$tags = array_values($temp);
+		} else {
+			// Unfiled
+			$tags[] = 'system:unfiled';
+		}
+
+		// Media and file types
+		if (!is_null($extension)) {
+			include_once(dirname(__FILE__) .'/../functions.inc.php');
+			
+			if ($keys = multi_array_search($extension, $GLOBALS['filetypes'])) {
+				$tags[] = 'system:filetype:'. $extension;
+				$tags[] = 'system:media:'. array_shift($keys);
+			}
+		}
+
+		// Imported
+		if ($fromImport) {
+			$tags[] = 'system:imported';
+		}
+
+		$this->db->sql_transaction('begin');
+
+		if ($replace) {
+			if (!$this->deleteTagsForBookmark($bookmarkid)){
+				$this->db->sql_transaction('rollback');
+				message_die(GENERAL_ERROR, 'Could not attach tags (deleting old ones failed)', '', __LINE__, __FILE__, $sql, $this->db);
+				return false;
+			}
+		}
+
+		$bs =& ServiceFactory::getServiceInstance('BookmarkService');
+		$tts =& ServiceFactory::getServiceInstance('Tag2TagService');
+
+		// Create links between tags
+		foreach($tags as $key => $tag) {
+			if(strpos($tag, '=')) {
+				// case "="
+				$pieces = explode('=', $tag);
+				$nbPieces = count($pieces);
+				if($nbPieces > 1) {
+					for($i = 0; $i < $nbPieces-1; $i++) {
+						$bookmark = $bs->getBookmark($bookmarkid);
+						$uId = $bookmark['uId'];
+						$tts->addLinkedTags($pieces[$i], $pieces[$i+1], '=', $uId);
+					}
+					$tags[$key] = $pieces[0]; // Attach just the last tag to the bookmark
+				}
+			} else {
+				// case ">"
+				$pieces = explode('>', $tag);
+				$nbPieces = count($pieces);
+				if($nbPieces > 1) {
+					for($i = 0; $i < $nbPieces-1; $i++) {
+						$bookmark = $bs->getBookmark($bookmarkid);
+						$uId = $bookmark['uId'];
+						$tts->addLinkedTags($pieces[$i], $pieces[$i+1], '>', $uId);
+					}
+					$tags[$key] = $pieces[$nbPieces-1]; // Attach just the last tag to the bookmark
+				}
+			}
+
+
+		}
+
+		// Add the categories to the DB.
+		for ($i = 0; $i < count($tags); $i++) {
+			if ($tags[$i] != '') {
+				$values = array(
+                    'bId' => intval($bookmarkid),
+                    'tag' => $tags[$i]
+				);
+
+				if (!$this->hasTag($bookmarkid, $tags[$i])) {
+					$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+					if (!($dbresult =& $this->db->sql_query($sql))) {
+						$this->db->sql_transaction('rollback');
+						message_die(GENERAL_ERROR, 'Could not attach tags', '', __LINE__, __FILE__, $sql, $this->db);
+						return false;
+					}
+				}
+			}
+		}
+		$this->db->sql_transaction('commit');
+		return true;
+	}
+
+	function deleteTag($uId, $tag) {
+		$bs =& ServiceFactory::getServiceInstance('BookmarkService');
+
+		$query = 'DELETE FROM '. $this->getTableName();
+		$query.= ' USING '. $this->getTableName() .', '. $bs->getTableName();
+		$query.= ' WHERE '. $this->getTableName() .'.bId = '. $bs->getTableName() .'.bId';
+		$query.= ' AND '. $bs->getTableName() .'.uId = '. $uId;
+		$query.= ' AND '. $this->getTableName() .'.tag = "'. $this->db->sql_escape($tag) .'"';
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not delete tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		return true;
+	}
+
+	function deleteTagsForBookmark($bookmarkid) {
+		if (!is_int($bookmarkid)) {
+			message_die(GENERAL_ERROR, 'Could not delete tags (invalid bookmarkid)', '', __LINE__, __FILE__, $query);
+			return false;
+		}
+
+		$query = 'DELETE FROM '. $this->getTableName() .' WHERE bId = '. intval($bookmarkid);
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not delete tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		return true;
+	}
+
+	/* Allow deletion in admin page */
+	function deleteTagsForUser($uId) {

+		$qmask = 'DELETE FROM %s USING %s, %s WHERE %s.bId = %s.bId AND %s.uId = %d';

+		$query = sprintf($qmask,

+		$this->getTableName(),

+		$this->getTableName(),

+		$GLOBALS['tableprefix'].'bookmarks',

+		$this->getTableName(),

+		$GLOBALS['tableprefix'].'bookmarks',

+		$GLOBALS['tableprefix'].'bookmarks',

+		$uId);

+

+		if (!($dbresult =& $this->db->sql_query($query))) {

+			message_die(GENERAL_ERROR, 'Could not delete tags', '', __LINE__, __FILE__, $query, $this->db);

+			return false;

+		}

+

+		return true;

+	}
+
+	function &getTagsForBookmark($bookmarkid) {
+		if (!is_numeric($bookmarkid)) {
+			message_die(GENERAL_ERROR, 'Could not get tags (invalid bookmarkid)', '', __LINE__, __FILE__, $query);
+			return false;
+		}
+
+		$query = 'SELECT tag FROM '. $this->getTableName() .' WHERE bId = '. intval($bookmarkid) .' AND LEFT(tag, 7) <> "system:" ORDER BY id ASC';
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$tags = array();
+		while ($row =& $this->db->sql_fetchrow($dbresult)) {
+			$tags[] = $row['tag'];
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $tags;
+	}
+
+	function &getTags($userid = NULL) {
+		$userservice =& ServiceFactory::getServiceInstance('UserService');
+		$logged_on_user = $userservice->getCurrentUserId();
+
+		$query = 'SELECT T.tag, COUNT(B.bId) AS bCount FROM '. $GLOBALS['tableprefix'] .'bookmarks AS B INNER JOIN '. $userservice->getTableName() .' AS U ON B.uId = U.'. $userservice->getFieldName('primary') .' INNER JOIN '. $GLOBALS['tableprefix'] .'bookmarks2tags AS T ON B.bId = T.bId';
+
+		$conditions = array();
+		if (!is_null($userid)) {
+			$conditions['U.'. $userservice->getFieldName('primary')] = intval($userid);
+			if ($logged_on_user != $userid)
+			$conditions['B.bStatus'] = 0;
+		} else {
+			$conditions['B.bStatus'] = 0;
+		}
+
+		$query .= ' WHERE '. $this->db->sql_build_array('SELECT', $conditions) .' AND LEFT(T.tag, 7) <> "system:" GROUP BY T.tag ORDER BY bCount DESC, tag';
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$output = $this->db->sql_fetchrowset($dbresult);
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+
+	// Returns the tags related to the specified tags; i.e. attached to the same bookmarks
+	function &getRelatedTags($tags, $for_user = NULL, $logged_on_user = NULL, $limit = 10) {
+		$conditions = array();
+		// Only count the tags that are visible to the current user.
+		if ($for_user != $logged_on_user || is_null($for_user))
+		$conditions['B.bStatus'] = 0;
+
+		if (!is_null($for_user))
+		$conditions['B.uId'] = $for_user;
+
+		// Set up the tags, if need be.
+		if (is_numeric($tags))
+		$tags = NULL;
+		if (!is_array($tags) and !is_null($tags))
+		$tags = explode('+', trim($tags));
+
+		$tagcount = count($tags);
+		for ($i = 0; $i < $tagcount; $i++) {
+			$tags[$i] = trim($tags[$i]);
+		}
+
+		// Set up the SQL query.
+		$query_1 = 'SELECT DISTINCTROW T0.tag, COUNT(B.bId) AS bCount FROM '. $GLOBALS['tableprefix'] .'bookmarks AS B, '. $this->getTableName() .' AS T0';
+		$query_2 = '';
+		$query_3 = ' WHERE B.bId = T0.bId ';
+		if (count($conditions) > 0)
+		$query_4 = ' AND '. $this->db->sql_build_array('SELECT', $conditions);
+		else
+		$query_4 = '';
+		// Handle the parts of the query that depend on any tags that are present.
+		for ($i = 1; $i <= $tagcount; $i++) {
+			$query_2 .= ', '. $this->getTableName() .' AS T'. $i;
+			$query_4 .= ' AND T'. $i .'.bId = B.bId AND T'. $i .'.tag = "'. $this->db->sql_escape($tags[$i - 1]) .'" AND T0.tag <> "'. $this->db->sql_escape($tags[$i - 1]) .'"';
+		}
+		$query_5 = ' AND LEFT(T0.tag, 7) <> "system:" GROUP BY T0.tag ORDER BY bCount DESC, T0.tag';
+		$query = $query_1 . $query_2 . $query_3 . $query_4 . $query_5;
+
+		if (! ($dbresult =& $this->db->sql_query_limit($query, $limit)) ){
+			message_die(GENERAL_ERROR, 'Could not get related tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		$output = $this->db->sql_fetchrowset($dbresult);
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	// Returns the most popular tags used for a particular bookmark hash
+	function &getRelatedTagsByHash($hash, $limit = 20) {
+		$userservice = & ServiceFactory :: getServiceInstance('UserService');
+		$sId = $userservice->getCurrentUserId();
+		// Logged in
+		if ($userservice->isLoggedOn()) {
+			$arrWatch = $userservice->getWatchList($sId);
+			// From public bookmarks or user's own
+			$privacy = ' AND ((B.bStatus = 0) OR (B.uId = '. $sId .')';
+			// From shared bookmarks in watchlist
+			foreach ($arrWatch as $w) {
+				$privacy .= ' OR (B.uId = '. $w .' AND B.bStatus = 1)';
+			}
+			$privacy .= ') ';
+			// Not logged in
+		} else {
+			$privacy = ' AND B.bStatus = 0 ';
+		}
+
+		$query = 'SELECT T.tag, COUNT(T.tag) AS bCount FROM '.$GLOBALS['tableprefix'].'bookmarks AS B LEFT JOIN '.$GLOBALS['tableprefix'].'bookmarks2tags AS T ON B.bId = T.bId WHERE B.bHash = "'. $hash .'" '. $privacy .'AND LEFT(T.tag, 7) <> "system:" GROUP BY T.tag ORDER BY bCount DESC';
+
+		if (!($dbresult =& $this->db->sql_query_limit($query, $limit))) {
+			message_die(GENERAL_ERROR, 'Could not get related tags for this hash', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		$output = $this->db->sql_fetchrowset($dbresult);
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+	
+	function &getAdminTags($limit = 30, $logged_on_user = NULL, $days = NULL) {
+		// look for admin ids
+		$userservice = & ServiceFactory :: getServiceInstance('UserService');
+		$adminIds = $userservice->getAdminIds();
+		
+		// ask for their tags
+		return $this->getPopularTags($adminIds, $limit, $logged_on_user, $days);
+	}
+	
+	function &getContactTags($user, $limit = 30, $logged_on_user = NULL, $days = NULL) {
+		// look for contact ids
+		$userservice = & ServiceFactory :: getServiceInstance('UserService');
+		$contacts = $userservice->getWatchlist($user);
+		
+		// add the user (to show him/her also his/her tags)
+		if(!is_null($logged_on_user)) {
+			$contacts[] = $logged_on_user;
+		}
+		
+		// ask for their tags
+		return $this->getPopularTags($contacts, $limit, $logged_on_user, $days);
+	}	
+
+	// $users can be {NULL, an id, an array of id}
+	function &getPopularTags($user = NULL, $limit = 30, $logged_on_user = NULL, $days = NULL) {
+		// Only count the tags that are visible to the current user.
+		if (($user != $logged_on_user) || is_null($user) || ($user === false))
+		$privacy = ' AND B.bStatus = 0';
+		else
+		$privacy = '';
+
+		if (is_null($days) || !is_int($days))
+		$span = '';
+		else
+		$span = ' AND B.bDatetime > "'. date('Y-m-d H:i:s', time() - (86400 * $days)) .'"';
+
+		$query = 'SELECT T.tag, COUNT(T.bId) AS bCount FROM '. $this->getTableName() .' AS T, '. $GLOBALS['tableprefix'] .'bookmarks AS B WHERE ';
+		if (is_null($user) || ($user === false)) {
+			$query .= 'B.bId = T.bId AND B.bStatus = 0';
+		} elseif(is_array($user)) {
+			$query .= ' (1 = 0';  //tricks
+			foreach($user as $u) {			
+				$query .= ' OR B.uId = '. $this->db->sql_escape($u) .' AND B.bId = T.bId';
+			}
+			$query .= ' )';
+		} else {
+			$query .= 'B.uId = '. $this->db->sql_escape($user) .' AND B.bId = T.bId'. $privacy;
+		}
+		$query .= $span .' AND LEFT(T.tag, 7) <> "system:" GROUP BY T.tag ORDER BY bCount DESC, tag';
+
+		if (!($dbresult =& $this->db->sql_query_limit($query, $limit))) {
+			message_die(GENERAL_ERROR, 'Could not get popular tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$output = $this->db->sql_fetchrowset($dbresult);
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function hasTag($bookmarkid, $tag) {
+		$query = 'SELECT COUNT(*) AS tCount FROM '. $this->getTableName() .' WHERE bId = '. intval($bookmarkid) .' AND tag ="'. $this->db->sql_escape($tag) .'"';
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+			message_die(GENERAL_ERROR, 'Could not find tag', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			if ($row['tCount'] > 0) {
+				$output = true;
+			}
+		}
+		$output = false;
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function renameTag($userid, $old, $new, $fromApi = false) {
+		$bookmarkservice =& ServiceFactory::getServiceInstance('BookmarkService');
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+
+		if (is_null($userid) || is_null($old) || is_null($new))
+		return false;
+
+		// Find bookmarks with old tag
+		$bookmarksInfo =& $bookmarkservice->getBookmarks(0, NULL, $userid, $old);
+		$bookmarks =& $bookmarksInfo['bookmarks'];
+
+		// Delete old tag
+		$this->deleteTag($userid, $old);
+
+		// Attach new tags
+		$new = $tagservice->normalize($new);
+		
+		foreach(array_keys($bookmarks) as $key) {
+			$row =& $bookmarks[$key];
+			$this->attachTags($row['bId'], $new, $fromApi, NULL, false);
+		}
+
+		return true;
+	}
+
+	function &tagCloud($tags = NULL, $steps = 5, $sizemin = 90, $sizemax = 225, $sortOrder = NULL) {
+
+		if (is_null($tags) || count($tags) < 1) {
+			$output = false;
+			return $output;
+		}
+
+		$min = $tags[count($tags) - 1]['bCount'];
+		$max = $tags[0]['bCount'];
+
+		for ($i = 1; $i <= $steps; $i++) {
+			$delta = ($max - $min) / (2 * $steps - $i);
+			$limit[$i] = $i * $delta + $min;
+		}
+		$sizestep = ($sizemax - $sizemin) / $steps;
+		foreach ($tags as $row) {
+			$next = false;
+			for ($i = 1; $i <= $steps; $i++) {
+				if (!$next && $row['bCount'] <= $limit[$i]) {
+					$size = $sizestep * ($i - 1) + $sizemin;
+					$next = true;
+				}
+			}
+			$tempArray = array('size' => $size .'%');
+			$row = array_merge($row, $tempArray);
+			$output[] = $row;
+		}
+
+		if ($sortOrder == 'alphabet_asc') {
+			usort($output, create_function('$a,$b','return strcasecmp(utf8_deaccent($a["tag"]), utf8_deaccent($b["tag"]));'));
+		}
+
+		return $output;
+	}
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+	}
+
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+}
+?>
diff --git a/src/SemanticScuttle/Service/bookmarkservice.php b/src/SemanticScuttle/Service/bookmarkservice.php
new file mode 100644
index 0000000..f119593
--- /dev/null
+++ b/src/SemanticScuttle/Service/bookmarkservice.php
@@ -0,0 +1,552 @@
+<?php
+class BookmarkService {
+	var $db;
+	var $tablename;
+
+	function & getInstance(& $db) {
+		static $instance;
+		if (!isset ($instance))
+		$instance = & new BookmarkService($db);
+		return $instance;
+	}
+
+	function BookmarkService(& $db) {
+		$this->db = & $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'bookmarks';
+	}
+
+	function _getbookmark($fieldname, $value, $all = false) {
+		if (!$all) {
+			$userservice = & ServiceFactory :: getServiceInstance('UserService');
+			$sId = $userservice->getCurrentUserId();
+			$range = ' AND uId = '. $sId;
+		} else {
+			$range = '';
+		}
+
+		$query = 'SELECT * FROM '. $this->getTableName() .' WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"'. $range;
+
+		if (!($dbresult = & $this->db->sql_query_limit($query, 1, 0))) {
+			message_die(GENERAL_ERROR, 'Could not get bookmark', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			$output = $row;
+		} else {
+			$output =  false;
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function & getBookmark($bid, $include_tags = false) {
+		if (!is_numeric($bid))
+		return;
+
+		$sql = 'SELECT * FROM '. $this->getTableName() .' WHERE bId = '. $this->db->sql_escape($bid);
+
+		if (!($dbresult = & $this->db->sql_query($sql)))
+		message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
+
+		if ($row = & $this->db->sql_fetchrow($dbresult)) {
+			if ($include_tags) {
+				$b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
+				$row['tags'] = $b2tservice->getTagsForBookmark($bid);
+			}
+			$output = $row;			
+		} else {
+			$output = false;
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function getBookmarkByAddress($address) {
+		$hash = md5($address);
+		return $this->getBookmarkByHash($hash);
+	}
+
+	function getBookmarkByHash($hash) {
+		return $this->_getbookmark('bHash', $hash, true);
+	}
+
+	/* Counts bookmarks for a user. $range = {'public', 'shared', 'private', 'all'}*/
+	function countBookmarks($uId, $range = 'public') {
+		$sql = 'SELECT COUNT(*) FROM '. $GLOBALS['tableprefix'] .'bookmarks';
+		$sql.= ' WHERE uId = '.$uId;
+		switch ($range) {
+			case 'all':
+			//no constraints
+			break;
+			case 'private':
+			$sql.= ' AND bStatus = 2';
+			break;
+			case 'shared':
+			$sql.= ' AND bStatus = 1';
+			break;			
+			case 'public':
+			default:
+			$sql.= ' AND bStatus = 0';
+			break;
+		}			
+		
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
+		}
+		return $this->db->sql_fetchfield(0, 0);
+	}
+
+	/**
+	 * Check if a bookmark may be edited by the current user
+     *
+	 * @param integer|array $bookmark Bookmark uId or bookmark array
+	 *
+	 * @return boolean True if allowed
+	 */
+	function editAllowed($bookmark)
+	{
+		if (!is_numeric($bookmark) && (!is_array($bookmark)
+			|| !is_numeric($bookmark['bId']))
+		) {
+			return false;
+		}
+
+		if (!is_array($bookmark)
+			 && !($bookmark = $this->getBookmark($bookmark))
+		) {
+			return false;
+		}
+
+		$userservice = & ServiceFactory::getServiceInstance('UserService');
+		$user = $userservice->getCurrentUser();
+
+		//user has to be either admin, or owner
+		if ($GLOBALS['adminsCanModifyBookmarksFromOtherUsers']
+			&& $userservice->isAdmin($user)
+		) {
+			return true;
+		} else {
+			return ($bookmark['uId'] == $user['uId']);
+		}
+	}
+
+	function bookmarkExists($address = false, $uid = NULL) {
+		if (!$address) {
+			return;
+		}
+
+		$address = $this->normalize($address);
+
+		$crit = array ('bHash' => md5($address));
+		if (isset ($uid)) {
+			$crit['uId'] = $uid;
+		}
+
+		$sql = 'SELECT COUNT(*) FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE '. $this->db->sql_build_array('SELECT', $crit);
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
+		}
+		if($this->db->sql_fetchfield(0, 0) > 0) {
+			$output = true; 
+		} else {
+			$output = false;
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	// Adds a bookmark to the database.
+	// Note that date is expected to be a string that's interpretable by strtotime().
+	function addBookmark($address, $title, $description, $privateNote, $status, $categories, $date = NULL, $fromApi = false, $fromImport = false, $sId = -1) {
+		if($sId == -1) {
+			$userservice = & ServiceFactory :: getServiceInstance('UserService');
+			$sId = $userservice->getCurrentUserId();
+		}
+
+		$address = $this->normalize($address);
+
+		// Get the client's IP address and the date; note that the date is in GMT.
+		if (getenv('HTTP_CLIENT_IP'))
+		$ip = getenv('HTTP_CLIENT_IP');
+		else
+		if (getenv('REMOTE_ADDR'))
+		$ip = getenv('REMOTE_ADDR');
+		else
+		$ip = getenv('HTTP_X_FORWARDED_FOR');
+
+		// Note that if date is NULL, then it's added with a date and time of now, and if it's present,
+		// it's expected to be a string that's interpretable by strtotime().
+		if (is_null($date) || $date == '')
+		$time = time();
+		else
+		$time = strtotime($date);
+		$datetime = gmdate('Y-m-d H:i:s', $time);
+
+		// Set up the SQL insert statement and execute it.
+		$values = array('uId' => intval($sId), 'bIp' => $ip, 'bDatetime' => $datetime, 'bModified' => $datetime, 'bTitle' => $title, 'bAddress' => $address, 'bDescription' => $description, 'bPrivateNote' => $privateNote, 'bStatus' => intval($status), 'bHash' => md5($address));
+		$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+		// Get the resultant row ID for the bookmark.
+		$bId = $this->db->sql_nextid($dbresult);
+		if (!isset($bId) || !is_int($bId)) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+
+		$uriparts = explode('.', $address);
+		$extension = end($uriparts);
+		unset($uriparts);
+
+		$b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
+		if (!$b2tservice->attachTags($bId, $categories, $fromApi, $extension, false, $fromImport)) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+		$this->db->sql_transaction('commit');
+		// Everything worked out, so return the new bookmark's bId.
+		return $bId;
+	}
+
+	function updateBookmark($bId, $address, $title, $description, $privateNote, $status, $categories, $date = NULL, $fromApi = false) {
+		if (!is_numeric($bId))
+		return false;		
+
+		// Get the client's IP address and the date; note that the date is in GMT.
+		if (getenv('HTTP_CLIENT_IP'))
+		$ip = getenv('HTTP_CLIENT_IP');
+		else
+		if (getenv('REMOTE_ADDR'))
+		$ip = getenv('REMOTE_ADDR');
+		else
+		$ip = getenv('HTTP_X_FORWARDED_FOR');
+
+		$moddatetime = gmdate('Y-m-d H:i:s', time());
+		
+		$address = $this->normalize($address);
+		
+		//check if a new address ($address) doesn't already exist for another bookmark from the same user 
+		$bookmark = $this->getBookmark($bId);
+		if($bookmark['bAddress'] != $address && $this->bookmarkExists($address, $bookmark['uId'])) {
+			message_die(GENERAL_ERROR, 'Could not update bookmark (URL already existing = '.$address.')', '', __LINE__, __FILE__);
+			return false;
+		}
+
+		// Set up the SQL update statement and execute it.
+		$updates = array('bModified' => $moddatetime, 'bTitle' => $title, 'bAddress' => $address, 'bDescription' => $description, 'bPrivateNote' => $privateNote, 'bStatus' => $status, 'bHash' => md5($address));
+
+		if (!is_null($date)) {
+			$datetime = gmdate('Y-m-d H:i:s', strtotime($date));
+			$updates[] = array('bDateTime' => $datetime);
+		}
+
+		$sql = 'UPDATE '. $GLOBALS['tableprefix'] .'bookmarks SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE bId = '. intval($bId);
+		$this->db->sql_transaction('begin');
+
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not update bookmark', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+
+		$uriparts = explode('.', $address);
+		$extension = end($uriparts);
+		unset($uriparts);
+
+		$b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
+		if (!$b2tservice->attachTags($bId, $categories, $fromApi, $extension)) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not update bookmark', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+
+		$this->db->sql_transaction('commit');
+		// Everything worked out, so return true.
+		return true;
+	}
+
+	function & getBookmarks($start = 0, $perpage = NULL, $user = NULL, $tags = NULL, $terms = NULL, $sortOrder = NULL, $watched = NULL, $startdate = NULL, $enddate = NULL, $hash = NULL) {
+		// Only get the bookmarks that are visible to the current user.  Our rules:
+		//  - if the $user is NULL, that means get bookmarks from ALL users, so we need to make
+		//    sure to check the logged-in user's watchlist and get the contacts-only bookmarks from
+		//    those users. If the user isn't logged-in, just get the public bookmarks.
+		//  - if the $user is set and isn't the logged-in user, then get that user's bookmarks, and
+		//    if that user is on the logged-in user's watchlist, get the public AND contacts-only
+		//    bookmarks; otherwise, just get the public bookmarks.
+		//  - if the $user is set and IS the logged-in user, then get all bookmarks.
+
+		$userservice =& ServiceFactory::getServiceInstance('UserService');
+		$b2tservice =& ServiceFactory::getServiceInstance('Bookmark2TagService');
+		$tag2tagservice =& ServiceFactory::getServiceInstance('Tag2TagService');
+		$sId = $userservice->getCurrentUserId();
+
+		if ($userservice->isLoggedOn()) {
+			// All public bookmarks, user's own bookmarks and any shared with user
+			$privacy = ' AND ((B.bStatus = 0) OR (B.uId = '. $sId .')';
+			$watchnames = $userservice->getWatchNames($sId, true);
+			foreach($watchnames as $watchuser) {
+				$privacy .= ' OR (U.username = "'. $watchuser .'" AND B.bStatus = 1)';
+			}
+			$privacy .= ')';
+		} else {
+			// Just public bookmarks
+			$privacy = ' AND B.bStatus = 0';
+		}
+
+		// Set up the tags, if need be.
+		if (!is_array($tags) && !is_null($tags)) {
+			$tags = explode('+', trim($tags));
+		}
+
+		$tagcount = count($tags);
+		for ($i = 0; $i < $tagcount; $i ++) {
+			$tags[$i] = trim($tags[$i]);
+		}
+
+		// Set up the SQL query.
+		$query_1 = 'SELECT DISTINCT ';
+		if (SQL_LAYER == 'mysql4') {
+			$query_1 .= 'SQL_CALC_FOUND_ROWS ';
+		}
+		$query_1 .= 'B.*, U.'. $userservice->getFieldName('username');
+
+		$query_2 = ' FROM '. $userservice->getTableName() .' AS U, '. $this->getTableName() .' AS B';
+
+		$query_3 = ' WHERE B.uId = U.'. $userservice->getFieldName('primary') . $privacy;
+		if (is_null($watched)) {
+			if (!is_null($user)) {
+				$query_3 .= ' AND B.uId = '. $user;
+			}
+		} else {
+			$arrWatch = $userservice->getWatchlist($user);
+			if (count($arrWatch) > 0) {
+				$query_3_1 = '';
+				foreach($arrWatch as $row) {
+					$query_3_1 .= 'B.uId = '. intval($row) .' OR ';
+				}
+				$query_3_1 = substr($query_3_1, 0, -3);
+			} else {
+				$query_3_1 = 'B.uId = -1';
+			}
+			$query_3 .= ' AND ('. $query_3_1 .') AND B.bStatus IN (0, 1)';
+		}
+
+		$query_5 = '';
+		if($hash == null) {
+			$query_5.= ' GROUP BY B.bHash';
+		}
+
+		switch($sortOrder) {
+			case 'date_asc':
+				$query_5.= ' ORDER BY B.bModified ASC ';
+				break;
+			case 'title_desc':
+				$query_5.= ' ORDER BY B.bTitle DESC ';
+				break;
+			case 'title_asc':
+				$query_5.= ' ORDER BY B.bTitle ASC ';
+				break;
+			case 'url_desc':
+				$query_5.= ' ORDER BY B.bAddress DESC ';
+				break;
+			case 'url_asc':
+				$query_5.= ' ORDER BY B.bAddress ASC ';
+				break;
+			default:
+				$query_5.= ' ORDER BY B.bModified DESC ';
+		}
+
+		// Handle the parts of the query that depend on any tags that are present.
+		$query_4 = '';
+		for ($i = 0; $i < $tagcount; $i ++) {
+			$query_2 .= ', '. $b2tservice->getTableName() .' AS T'. $i;
+			$query_4 .= ' AND (';
+
+			$allLinkedTags = $tag2tagservice->getAllLinkedTags($this->db->sql_escape($tags[$i]), '>', $user);
+
+			while (is_array($allLinkedTags) && count($allLinkedTags)>0) {
+				$query_4 .= ' T'. $i .'.tag = "'. array_pop($allLinkedTags) .'"';
+				$query_4 .= ' OR';
+			}
+
+			$query_4 .= ' T'. $i .'.tag = "'. $this->db->sql_escape($tags[$i]) .'"';
+
+			$query_4 .= ') AND T'. $i .'.bId = B.bId';
+			//die($query_4);
+		}
+
+		// Search terms
+		if ($terms) {
+			// Multiple search terms okay
+			$aTerms = explode(' ', $terms);
+			$aTerms = array_map('trim', $aTerms);	
+
+			// Search terms in tags as well when none given
+			if (!count($tags)) {
+				$query_2 .= ' LEFT JOIN '. $b2tservice->getTableName() .' AS T ON B.bId = T.bId';
+				$dotags = true;
+			} else {
+				$dotags = false;
+			}
+
+			$query_4 = '';
+			for ($i = 0; $i < count($aTerms); $i++) {
+				$query_4 .= ' AND (B.bTitle LIKE "%'. $this->db->sql_escape($aTerms[$i]) .'%"';
+				$query_4 .= ' OR B.bDescription LIKE "%'. $this->db->sql_escape($aTerms[$i]) .'%"';
+				$query_4 .= ' OR B.bPrivateNote LIKE "'. $this->db->sql_escape($aTerms[$i]) .'%"'; //warning : search in private notes of everybody but private notes won't appear if not allowed.
+				$query_4 .= ' OR U.username = "'. $this->db->sql_escape($aTerms[$i]) .'"'; //exact match for username				
+				if ($dotags) {
+					$query_4 .= ' OR T.tag LIKE "'. $this->db->sql_escape($aTerms[$i]) .'%"';
+				}
+				$query_4 .= ')';
+			}
+		}
+
+		// Start and end dates
+		if ($startdate) {
+			$query_4 .= ' AND B.bDatetime > "'. $startdate .'"';
+		}
+		if ($enddate) {
+			$query_4 .= ' AND B.bDatetime < "'. $enddate .'"';
+		}
+
+		// Hash
+		if ($hash) {
+			$query_4 .= ' AND B.bHash = "'. $hash .'"';
+		}
+		$query = $query_1 . $query_2 . $query_3 . $query_4 . $query_5;
+
+		if (!($dbresult = & $this->db->sql_query_limit($query, intval($perpage), intval($start)))) {
+			message_die(GENERAL_ERROR, 'Could not get bookmarks', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if (SQL_LAYER == 'mysql4') {
+			$totalquery = 'SELECT FOUND_ROWS() AS total';
+		} else {
+			if ($hash) {
+				$totalquery = 'SELECT COUNT(*) AS total'. $query_2 . $query_3 . $query_4;
+			} else {
+				$totalquery = 'SELECT COUNT(DISTINCT bAddress) AS total'. $query_2 . $query_3 . $query_4;
+			}
+		}
+
+		if (!($totalresult = & $this->db->sql_query($totalquery)) || (!($row = & $this->db->sql_fetchrow($totalresult)))) {
+			message_die(GENERAL_ERROR, 'Could not get total bookmarks', '', __LINE__, __FILE__, $totalquery, $this->db);
+			return false;
+		}
+
+		$total = $row['total'];
+		$this->db->sql_freeresult($totalresult);
+
+		$bookmarks = array();
+		while ($row = & $this->db->sql_fetchrow($dbresult)) {
+			$row['tags'] = $b2tservice->getTagsForBookmark(intval($row['bId']));
+			$bookmarks[] = $row;
+		}
+
+		$this->db->sql_freeresult($dbresult);
+		$output = array ('bookmarks' => $bookmarks, 'total' => $total);
+		return $output;
+	}
+
+	function deleteBookmark($bookmarkid) {
+		$query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE bId = '. intval($bookmarkid);
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		
+		
+
+		$query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'bookmarks2tags WHERE bId = '. intval($bookmarkid);
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$this->db->sql_transaction('commit');
+		return true;
+	}
+
+	function deleteBookmarksForUser($uId) {

+		$query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE uId = '. intval($uId);

+

+		if (!($dbresult = & $this->db->sql_query($query))) {

+			message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);

+			return false;

+		}

+

+		return true;

+	}
+
+	function countOthers($address) {
+		if (!$address) {
+			return false;
+		}
+
+		$userservice = & ServiceFactory :: getServiceInstance('UserService');
+		$sId = $userservice->getCurrentUserId();
+
+		if ($userservice->isLoggedOn()) {
+			// All public bookmarks, user's own bookmarks and any shared with user
+			$privacy = ' AND ((B.bStatus = 0) OR (B.uId = '. $sId .')';
+			$watchnames = $userservice->getWatchNames($sId, true);
+			foreach($watchnames as $watchuser) {
+				$privacy .= ' OR (U.username = "'. $watchuser .'" AND B.bStatus = 1)';
+			}
+			$privacy .= ')';
+		} else {
+			// Just public bookmarks
+			$privacy = ' AND B.bStatus = 0';
+		}
+
+		$sql = 'SELECT COUNT(*) FROM '. $userservice->getTableName() .' AS U, '. $GLOBALS['tableprefix'] .'bookmarks AS B WHERE U.'. $userservice->getFieldName('primary') .' = B.uId AND B.bHash = "'. md5($address) .'"'. $privacy;
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
+		}
+		
+		$output = $this->db->sql_fetchfield(0, 0) - 1;
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function normalize($address) {
+		// If bookmark address doesn't contain ":", add "http://" to the start as a default protocol
+		if (strpos($address, ':') === false) {
+			$address = 'http://'. $address;
+		}
+
+		// Delete final /
+		if (substr($address, -1) == '/') {
+			$address = substr($address, 0, count($address)-2);
+		}
+
+		return $address;
+	}
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+
+}
+
+
+
+?>
diff --git a/src/SemanticScuttle/Service/cacheservice.php b/src/SemanticScuttle/Service/cacheservice.php
new file mode 100644
index 0000000..fe66d38
--- /dev/null
+++ b/src/SemanticScuttle/Service/cacheservice.php
@@ -0,0 +1,38 @@
+<?php
+class CacheService {
+    var $basedir;
+    var $fileextension = '.cache';
+
+    function &getInstance() {
+        static $instance;
+        
+        if (!isset($instance))
+            $instance =& new CacheService();
+
+        return $instance;
+    }
+
+    function CacheService() {
+        $this->basedir = $GLOBALS['dir_cache'];    
+    }
+
+    function Start($hash, $time = 300) {
+        $cachefile = $this->basedir .'/'. $hash . $this->fileextension;
+        if (file_exists($cachefile) && time() < filemtime($cachefile) + $time) {
+            @readfile($cachefile);
+            echo "\n<!-- Cached: ". date('r', filemtime($cachefile)) ." -->\n";
+            unset($cachefile);
+            exit;
+        }
+        ob_start("ob_gzhandler");
+    }
+
+    function End($hash) {
+        $cachefile = $this->basedir .'/'. $hash . $this->fileextension;      
+        $handle = fopen($cachefile, 'w');
+        fwrite($handle, ob_get_contents());
+        fclose($handle);
+        ob_flush();
+    }
+}
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/Service/commondescriptionservice.php b/src/SemanticScuttle/Service/commondescriptionservice.php
new file mode 100644
index 0000000..86e0c0f
--- /dev/null
+++ b/src/SemanticScuttle/Service/commondescriptionservice.php
@@ -0,0 +1,167 @@
+<?php
+class CommonDescriptionService {
+	var $db;
+	var $tablename;
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new CommonDescriptionService($db);
+		return $instance;
+	}
+
+	function CommonDescriptionService(&$db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'commondescription';
+	}
+
+	function addTagDescription($tag, $desc, $uId, $time) {
+		// Check if no modification
+		$lastDesc = $this->getLastTagDescription($tag);
+		if($lastDesc['cdDescription'] == $desc) {
+			return true;
+		}
+
+		// If modification
+		$datetime = gmdate('Y-m-d H:i:s', $time);
+		$values = array('tag'=>$tag, 'cdDescription'=>$desc, 'uId'=>$uId, 'cdDatetime'=>$datetime);
+		$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+
+		if (!($dbresult =& $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not add tag description', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+
+		return true;
+	}
+
+	function getLastTagDescription($tag) {
+		$query = "SELECT *";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag='".$tag."'";
+		$query.= " ORDER BY cdDatetime DESC";
+
+		if (!($dbresult = & $this->db->sql_query_limit($query, 1, 0))) {
+			message_die(GENERAL_ERROR, 'Could not get tag description', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			return $row;
+		} else {
+			return false;
+		}
+	}
+
+	function getAllTagsDescription($tag) {
+		$query = "SELECT *";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag='".$tag."'";
+		$query.= " ORDER BY cdDatetime DESC";
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get tag descriptions', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		return $this->db->sql_fetchrowset($dbresult);
+
+	}
+
+	function getDescriptionById($cdId) {
+		$query = "SELECT *";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE cdId='".$cdId."'";
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get tag descriptions', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			return $row;
+		} else {
+			return false;
+		}
+
+	}
+
+	function addBookmarkDescription($bHash, $title, $desc, $uId, $time) {
+		// Check if no modification
+		$lastDesc = $this->getLastBookmarkDescription($bHash);
+		if($lastDesc['cdTitle'] == $title && $lastDesc['cdDescription'] == $desc) {
+			return true;
+		}
+
+		// If modification
+		$datetime = gmdate('Y-m-d H:i:s', $time);
+		$values = array('bHash'=>$bHash, 'cdTitle'=>$title, 'cdDescription'=>$desc, 'uId'=>$uId, 'cdDatetime'=>$datetime);
+		$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+
+		if (!($dbresult =& $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not add bookmark description', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+		return true;
+	}
+
+	function getLastBookmarkDescription($bHash) {
+		$query = "SELECT *";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE bHash='".$bHash."'";
+		$query.= " ORDER BY cdDatetime DESC";
+
+		if (!($dbresult = & $this->db->sql_query_limit($query, 1, 0))) {
+			message_die(GENERAL_ERROR, 'Could not get bookmark description', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			return $row;
+		} else {
+			return false;
+		}
+	}
+
+	function getAllBookmarksDescription($bHash) {
+		$query = "SELECT *";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE bHash='".$bHash."'";
+		$query.= " ORDER BY cdDatetime DESC";
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get bookmark descriptions', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		return $this->db->sql_fetchrowset($dbresult);
+
+	}
+
+	function deleteDescriptionsForUser($uId){
+		$query = 'DELETE FROM '. $this->getTableName() . ' WHERE uId = '. intval($uId);
+
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not delete user descriptions', '',
+			__LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		
+		return true;
+	}
+
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+}
+?>
diff --git a/src/SemanticScuttle/Service/searchhistoryservice.php b/src/SemanticScuttle/Service/searchhistoryservice.php
new file mode 100644
index 0000000..91457e8
--- /dev/null
+++ b/src/SemanticScuttle/Service/searchhistoryservice.php
@@ -0,0 +1,124 @@
+<?php
+class SearchHistoryService {
+	var $db;
+	var $tablename;
+	var $sizeSearchHistory;
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new SearchHistoryService($db);
+		return $instance;
+	}
+
+	function SearchHistoryService(& $db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'searchhistory';
+		if(isset($GLOBALS['sizeSearchHistory'])) {
+			$this->sizeSearchHistory = $GLOBALS['sizeSearchHistory'];
+		} else {
+			$this->sizeSearchHistory = 10;
+		}
+	}
+
+	function addSearch($terms, $range, $nbResults, $uId=0) {
+		if(strlen($terms) == 0) {
+			return false;
+		}
+		$datetime = gmdate('Y-m-d H:i:s', time());
+
+		//Insert values
+		$values = array('shTerms'=>$terms, 'shRange'=>$range, 'shDatetime'=>$datetime, 'shNbResults'=>$nbResults, 'uId'=>$uId);
+		$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not insert search history', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+
+		if($this->sizeSearchHistory != -1 &&
+		$this->countSearches() > $this->sizeSearchHistory) {
+			$this->deleteOldestSearch();
+		}
+	}
+
+	function getAllSearches($range = NULL, $uId = NULL, $nb = NULL, $start = NULL, $distinct = false, $withResults = false) {
+		$sql = 'SELECT DISTINCT(shTerms), shId, shRange, shNbResults, shDatetime, uId';
+		$sql.= ' FROM '. $this->getTableName();
+		$sql.= ' WHERE 1=1';
+		if($range != NULL) {
+			$sql.= ' AND shRange = "'.$range.'"';
+		} else {
+			$sql.= ' AND shRange = "all"';
+		}
+		if($uId != NULL) {
+			$sql.= ' AND uId = '.$uId;
+		}
+		if($withResults = true) {
+			$sql.= ' AND shNbResults > 0';
+		}
+		if($distinct) {
+			$sql.= ' GROUP BY shTerms';
+		}
+		$sql.= ' ORDER BY shId DESC';
+
+		if (!($dbresult = & $this->db->sql_query_limit($sql, $nb, $start))) {
+			message_die(GENERAL_ERROR, 'Could not get searches', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+
+		$searches = array();
+		while ($row = & $this->db->sql_fetchrow($dbresult)) {
+			$searches[] = $row;
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $searches;
+	}
+
+	function countSearches() {
+		$sql = 'SELECT COUNT(*) AS `total` FROM '. $this->getTableName();
+		if (!($dbresult = & $this->db->sql_query($sql)) || (!($row = & $this->db->sql_fetchrow($dbresult)))) {
+			message_die(GENERAL_ERROR, 'Could not get total searches', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $row['total'];
+	}
+
+	/* This function allows to limit the number of saved searches
+	 by deleting the oldest one */
+	function deleteOldestSearch() {
+		$sql = 'DELETE FROM '.$this->getTableName();
+		$sql.= ' ORDER BY shId ASC LIMIT 1';  // warning: here the limit is important
+
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+	}
+
+	function deleteSearchHistoryForUser($uId) {
+		$query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '.		intval($uId);
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not delete search history', '',
+			__LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		return true;
+	}
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+}
+?>
diff --git a/src/SemanticScuttle/Service/servicefactory.php b/src/SemanticScuttle/Service/servicefactory.php
new file mode 100644
index 0000000..b5215e3
--- /dev/null
+++ b/src/SemanticScuttle/Service/servicefactory.php
@@ -0,0 +1,38 @@
+<?php
+/* Connect to the database and build services */
+
+class ServiceFactory {
+	function ServiceFactory(&$db, $serviceoverrules = array()) {
+	}
+
+	function &getServiceInstance($name, $servicedir = NULL) {
+		global $dbhost, $dbuser, $dbpass, $dbname, $dbport, $dbpersist, $dbtype;
+		static $instances = array();
+		static $db;
+		if (!isset($db)) {
+			require_once(dirname(__FILE__) .'/../includes/db/'. $dbtype .'.php');
+			$db = new sql_db();
+			$db->sql_connect($dbhost, $dbuser, $dbpass, $dbname, $dbport, $dbpersist);
+			if(!$db->db_connect_id) {
+				message_die(CRITICAL_ERROR, "Could not connect to the database", $db);
+			}
+			$db->sql_query("SET NAMES UTF8"); 
+		}		
+		
+		if (!isset($instances[$name])) {
+			if (isset($serviceoverrules[$name])) {
+				$name = $serviceoverrules[$name];
+			}
+			if (!class_exists($name)) {
+				if (!isset($servicedir)) {
+					$servicedir = dirname(__FILE__) .'/';
+				}
+								
+				require_once($servicedir . strtolower($name) . '.php');
+			}
+			$instances[$name] = call_user_func(array($name, 'getInstance'), $db);
+		}
+		return $instances[$name];
+	}
+}
+?>
diff --git a/src/SemanticScuttle/Service/tag2tagservice.php b/src/SemanticScuttle/Service/tag2tagservice.php
new file mode 100644
index 0000000..956fd49
--- /dev/null
+++ b/src/SemanticScuttle/Service/tag2tagservice.php
@@ -0,0 +1,377 @@
+<?php
+class Tag2TagService {
+	var $db;
+	var $tablename;
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new Tag2TagService($db);
+		return $instance;
+	}
+
+	function Tag2TagService(&$db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'tags2tags';
+	}
+
+	function addLinkedTags($tag1, $tag2, $relationType, $uId) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag1 = $tagservice->normalize($tag1);
+		$tag2 = $tagservice->normalize($tag2);
+
+		if($tag1 == $tag2 || strlen($tag1) == 0 || strlen($tag2) == 0
+		|| ($relationType != ">" && $relationType != "=")
+		|| !is_numeric($uId) || $uId<=0
+		|| ($this->existsLinkedTags($tag1, $tag2, $relationType, $uId))) {
+			return false;
+		}
+
+		$values = array('tag1' => $tag1, 'tag2' => $tag2, 'relationType'=> $relationType, 'uId'=> $uId);
+		$query = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+		//die($query);
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not attach tag to tag', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		$this->db->sql_transaction('commit');
+
+		// Update stats and cache
+		$this->update($tag1, $tag2, $relationType, $uId);
+
+		return true;
+	}
+
+	// Return linked tags just for admin users
+	function getAdminLinkedTags($tag, $relationType, $inverseRelation = false, $stopList = array()) {
+		// look for admin ids
+		$userservice = & ServiceFactory :: getServiceInstance('UserService');
+		$adminIds = $userservice->getAdminIds();
+		
+		//ask for their linked tags
+		return $this->getLinkedTags($tag, $relationType, $adminIds, $inverseRelation, $stopList);
+	}
+	
+	// Return the target linked tags. If inverseRelation is true, return the source linked tags.
+	function getLinkedTags($tag, $relationType, $uId = null, $inverseRelation = false, $stopList = array()) {
+		// Set up the SQL query.
+		if($inverseRelation) {
+			$queriedTag = "tag1";
+			$givenTag = "tag2";
+		} else {
+			$queriedTag = "tag2";
+			$givenTag = "tag1";
+		}
+
+		$query = "SELECT DISTINCT ". $queriedTag ." as 'tag'";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE 1=1";
+		if($tag !=null) {
+			$query.= " AND ". $givenTag ." = '". $tag ."'";
+		}
+		if($relationType) {
+			$query.= " AND relationType = '". $relationType ."'";
+		}
+		if(is_array($uId)) {
+			$query.= " AND ( 1=0 "; //tricks always false			
+			foreach($uId as $u) {
+				$query.= " OR uId = '".$u."'";
+			}
+			$query.= " ) "; 
+		} elseif($uId != null) {
+			$query.= " AND uId = '".$uId."'";
+		}
+		//die($query);
+		if (! ($dbresult =& $this->db->sql_query($query)) ){
+			message_die(GENERAL_ERROR, 'Could not get related tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$rowset = $this->db->sql_fetchrowset($dbresult);
+		$output = array();
+		foreach($rowset as $row) {
+			if(!in_array($row['tag'], $stopList)) {
+				$output[] = $row['tag'];
+			}
+		}
+
+		//bijective case for '='
+		if($relationType == '=' && $inverseRelation == false) {
+			//$stopList[] = $tag;
+			$bijectiveOutput = $this->getLinkedTags($tag, $relationType, $uId, true, $stopList);
+			$output = array_merge($output, $bijectiveOutput);
+			//$output = array_unique($output); // remove duplication
+		}
+
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	/*
+	 * Returns all linked tags (all descendants if relation is >,
+	 * all synonyms if relation is = )
+	 * $stopList allows to avoid cycle (a > b > a) between tags
+	 */
+	function getAllLinkedTags($tag1, $relationType, $uId, $stopList=array()) {
+		if(in_array($tag1, $stopList) || $tag1 == '') {
+			return array();
+		}
+
+		// try to find data in cache
+		$tcs = & ServiceFactory::getServiceInstance('TagCacheService');
+		if(count($stopList) == 0) {
+			$activatedCache = true;
+		} else {
+			$activatedCache = false;
+		}
+
+		// look for existing links
+		$stopList[] = $tag1;
+		$linkedTags = $this->getLinkedTags($tag1, $relationType, $uId, false, $stopList);
+		if($relationType != '=') {
+			$linkedTags = array_merge($linkedTags, $this->getLinkedTags($tag1, '=', $uId, false, $stopList));
+		}
+
+		if(count($linkedTags) == 0) {
+			return array();
+
+		} else {
+			// use cache if possible
+			if($activatedCache) {
+				if($relationType == '>') {
+					$output = $tcs->getChildren($tag1, $uId);
+				} elseif($relationType == '=') {
+					$output = $tcs->getSynonyms($tag1, $uId);
+				}
+				if(count($output)>0) {
+					return $output;
+				}
+			}
+
+			// else compute the links
+			$output = array();
+
+			foreach($linkedTags as $linkedTag) {
+				$allLinkedTags = $this->getAllLinkedTags($linkedTag, $relationType, $uId, $stopList);
+				$output[] = $linkedTag;
+				if(is_array($allLinkedTags)) {
+					$output = array_merge($output, $allLinkedTags);
+				} else {
+					$output[] = $allLinkedTags;
+				}
+			}
+
+			// and save in cache
+			if($activatedCache == true && $uId>0) {
+				$tcs->updateTag($tag1, $relationType, $output, $uId);
+			}
+				
+			//$output = array_unique($output); // remove duplication
+			return $output;
+
+		}
+	}
+
+	function getOrphewTags($relationType, $uId = 0, $limit = null, $orderBy = null) {
+		$query = "SELECT DISTINCT tts.tag1 as tag";
+		$query.= " FROM `". $this->getTableName() ."` tts";
+		if($orderBy != null) {
+			$tsts =& ServiceFactory::getServiceInstance('TagStatService');
+			$query.= ", ".$tsts->getTableName() ." tsts";
+		}
+		$query.= " WHERE tts.tag1 <> ALL";
+		$query.= " (SELECT DISTINCT tag2 FROM `". $this->getTableName() ."`";
+		$query.= " WHERE relationType = '".$relationType."'";
+		if($uId > 0) {
+			$query.= " AND uId = '".$uId."'";
+		}
+		$query.= ")";
+		if($uId > 0) {
+			$query.= " AND tts.uId = '".$uId."'";
+		}
+
+		switch($orderBy) {
+	  case "nb":
+	  	$query.= " AND tts.tag1 = tsts.tag1";
+	  	$query.= " AND tsts.relationType = '".$relationType."'";
+	  	if($uId > 0) {
+	  		$query.= " AND tsts.uId = ".$uId;
+	  	}
+	  	$query.= " ORDER BY tsts.nb DESC";
+	  	break;
+	  case "depth": // by nb of descendants
+	  	$query.= " AND tts.tag1 = tsts.tag1";
+	  	$query.= " AND tsts.relationType = '".$relationType."'";
+	  	if($uId > 0) {
+	  		$query.= " AND tsts.uId = ".$uId;
+	  	}
+	  	$query.= " ORDER BY tsts.depth DESC";
+	  	break;
+	  case "nbupdate":
+	  	$query.= " AND tts.tag1 = tsts.tag1";
+	  	$query.= " AND tsts.relationType = '".$relationType."'";
+	  	if($uId > 0) {
+	  		$query.= " AND tsts.uId = ".$uId;
+	  	}
+	  	$query.= " ORDER BY tsts.nbupdate DESC";
+	  	break;
+		}
+
+		if($limit != null) {
+			$query.= " LIMIT 0,".$limit;
+		}
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ){
+			message_die(GENERAL_ERROR, 'Could not get linked tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		$output = $this->db->sql_fetchrowset($dbresult);
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function getMenuTags($uId) {
+		if(strlen($GLOBALS['menuTag']) < 1) {
+			return array();
+		} else {
+			// we don't use the getAllLinkedTags function in order to improve performance
+			$query = "SELECT tag2 as 'tag', COUNT(tag2) as 'count'";
+			$query.= " FROM `". $this->getTableName() ."`";
+			$query.= " WHERE tag1 = '".$GLOBALS['menuTag']."'";
+			$query.= " AND relationType = '>'";
+			if($uId > 0) {
+				$query.= " AND uId = '".$uId."'";
+			}
+			$query.= " GROUP BY tag2";
+			$query.= " ORDER BY count DESC";
+			$query.= " LIMIT 0, ".$GLOBALS['maxSizeMenuBlock'];
+
+			if (! ($dbresult =& $this->db->sql_query($query)) ){
+				message_die(GENERAL_ERROR, 'Could not get linked tags', '', __LINE__, __FILE__, $query, $this->db);
+				return false;
+			}
+			$output = $this->db->sql_fetchrowset($dbresult);
+			$this->db->sql_freeresult($dbresult);
+			return $output;
+		}
+	}
+
+
+	function existsLinkedTags($tag1, $tag2, $relationType, $uId) {
+
+		//$tag1 = mysql_real_escape_string($tag1);
+		//$tag2 = mysql_real_escape_string($tag2);
+
+		$query = "SELECT tag1, tag2, relationType, uId FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND tag2 = '".$tag2."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+
+		//echo($query."<br>\n");
+
+		return $this->db->sql_numrows($this->db->sql_query($query)) > 0;
+	}
+
+	function getLinks($uId) {
+		$query = "SELECT tag1, tag2, relationType, uId FROM `". $this->getTableName() ."`";
+		$query.= " WHERE 1=1";
+		if($uId > 0) {
+			$query.= " AND uId = '".$uId."'";
+		}
+
+		return $this->db->sql_fetchrowset($this->db->sql_query($query));
+	}
+
+	function removeLinkedTags($tag1, $tag2, $relationType, $uId) {
+		if(($tag1 != '' && $tag1 == $tag2) ||
+		($relationType != ">" && $relationType != "=" && $relationType != "") ||
+		($tag1 == '' && $tag2 == '')) {
+			return false;
+		}
+		$query = 'DELETE FROM '. $this->getTableName();
+		$query.= ' WHERE 1=1';
+		$query.= strlen($tag1)>0 ? ' AND tag1 = "'. $tag1 .'"' : '';
+		$query.= strlen($tag2)>0 ? ' AND tag2 = "'. $tag2 .'"' : '';
+		$query.= strlen($relationType)>0 ? ' AND relationType = "'. $relationType .'"' : '';
+		$query.= strlen($uId)>0 ? ' AND uId = "'. $uId .'"' : '';
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not remove tag relation', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+
+		// Update stats and cache
+		$this->update($tag1, $tag2, $relationType, $uId);
+		
+		$this->db->sql_freeresult($dbresult);
+		return true;
+	}
+	
+	function removeLinkedTagsForUser($uId) {
+		$query = 'DELETE FROM '. $this->getTableName();
+		$query.= ' WHERE uId = "'. $uId .'"';
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not remove tag relation', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+
+		// Update stats and cache
+		$this->update('', '', '', $uId);
+		
+		$this->db->sql_freeresult($dbresult);
+		return true;
+	}	
+
+	function renameTag($uId, $oldName, $newName) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$newName = $tagservice->normalize($newName);
+
+		$query = 'UPDATE `'. $this->getTableName() .'`';
+		$query.= ' SET tag1="'.$newName.'"';
+		$query.= ' WHERE tag1="'.$oldName.'"';
+		$query.= ' AND uId="'.$uId.'"';
+		$this->db->sql_query($query);
+
+		$query = 'UPDATE `'. $this->getTableName() .'`';
+		$query.= ' SET tag2="'.$newName.'"';
+		$query.= ' WHERE tag2="'.$oldName.'"';
+		$query.= ' AND uId="'.$uId.'"';
+		$this->db->sql_query($query);
+
+
+		// Update stats and cache
+		$this->update($oldName, NULL, '=', $uId);
+		$this->update($oldName, NULL, '>', $uId);
+		$this->update($newName, NULL, '=', $uId);
+		$this->update($newName, NULL, '>', $uId);
+
+		return true;
+
+	}
+
+	function update($tag1, $tag2, $relationType, $uId) {
+		$tsts =& ServiceFactory::getServiceInstance('TagStatService');
+		$tsts->updateStat($tag1, $relationType, $uId);
+
+		$tcs = & ServiceFactory::getServiceInstance('TagCacheService');
+		$tcs->deleteByUser($uId);
+	}
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+
+		$tsts =& ServiceFactory::getServiceInstance('TagStatService');
+		$tsts->deleteAll();
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+}
+?>
diff --git a/src/SemanticScuttle/Service/tagcacheservice.php b/src/SemanticScuttle/Service/tagcacheservice.php
new file mode 100644
index 0000000..ed2eefc
--- /dev/null
+++ b/src/SemanticScuttle/Service/tagcacheservice.php
@@ -0,0 +1,349 @@
+<?php
+
+/*
+ * This class infers on relation between tags by storing all the including tags or synonymous tag.
+ * For example, if the user creates: tag1>tag2>tag3, the system can infer that tag is included into tag1.
+ * Instead of computing this relation several times, it is saved into this current table.
+ * For synonymy, this table stores also the group of synonymous tags.
+ * The table must be updated for each modification of the relations between tags.
+ */
+
+class TagCacheService {
+	var $db;
+	var $tablename;
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new TagCacheService($db);
+		return $instance;
+	}
+
+	function TagCacheService(&$db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'tagscache';
+	}
+
+	function getChildren($tag1, $uId) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag1 = $tagservice->normalize($tag1);
+
+		if($tag1 == '') return false;
+
+		$query = "SELECT DISTINCT tag2 as 'tag'";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE relationType = '>'";
+		$query.= " AND tag1 = '".$tag1."'";
+		$query.= " AND uId = '".$uId."'";
+
+		//die($query);
+		if (! ($dbresult =& $this->db->sql_query($query)) ){
+			message_die(GENERAL_ERROR, 'Could not get related tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+
+		$rowset = $this->db->sql_fetchrowset($dbresult);
+		$output = array();
+		foreach($rowset as $row) {
+			$output[] = $row['tag'];
+		}
+
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function addChild($tag1, $tag2, $uId) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag1 = $tagservice->normalize($tag1);
+		$tag2 = $tagservice->normalize($tag2);
+
+		if($tag1 == $tag2 || strlen($tag1) == 0 || strlen($tag2) == 0
+		|| ($this->existsChild($tag1, $tag2, $uId))) {
+			return false;
+		}
+
+		$values = array('tag1' => $tag1, 'tag2' => $tag2, 'relationType'=> '>', 'uId'=> $uId);
+		$query = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+		//die($query);
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not add tag cache inference', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		$this->db->sql_transaction('commit');
+	}
+
+	function removeChild($tag1, $tag2, $uId) {
+		if(($tag1 != '' && $tag1 == $tag2) ||
+		($tag1 == '' && $tag2 == '' && $uId == '')) {
+			return false;
+		}
+
+		$query = 'DELETE FROM '. $this->getTableName();
+		$query.= ' WHERE 1=1';
+		$query.= strlen($tag1)>0 ? ' AND tag1 = "'. $tag1 .'"' : '';
+		$query.= strlen($tag2)>0 ? ' AND tag2 = "'. $tag2 .'"' : '';
+		$query.= ' AND relationType = ">"';
+		$query.= strlen($uId)>0 ? ' AND uId = "'. $uId .'"' : '';
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not remove tag cache inference', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+	}
+	
+	function removeChildren($tag1, $uId) {
+		$this->removeChild($tag1, NULL, $uId);
+	}
+
+	function existsChild($tag1, $tag2, $uId) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag1 = $tagservice->normalize($tag1);
+		$tag2 = $tagservice->normalize($tag2);
+
+		$query = "SELECT tag1, tag2, relationType, uId FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND tag2 = '".$tag2."'";
+		$query.= " AND relationType = '>'";
+		$query.= " AND uId = '".$uId."'";
+
+		//echo($query."<br>\n");
+
+		return $this->db->sql_numrows($this->db->sql_query($query)) > 0;
+
+	}
+
+	/*
+	 * Synonyms of a same concept are a group. A group has one main synonym called key
+	 * and a list of synonyms called values.
+	 */
+	function addSynonym($tag1, $tag2, $uId) {
+
+		if($tag1 == $tag2 || strlen($tag1) == 0 || strlen($tag2) == 0
+		|| ($this->existsSynonym($tag1, $tag2, $uId))) {
+			return false;
+		}
+
+		$case1 = '0'; // not in DB
+		if($this->_isSynonymKey($tag1, $uId)) {
+			$case1 = 'key';
+		} elseif($this->_isSynonymValue($tag1, $uId)) {
+			$case1 = 'value';
+		}
+
+		$case2 = '0'; // not in DB
+		if($this->_isSynonymKey($tag2, $uId)) {
+			$case2 = 'key';
+		} elseif($this->_isSynonymValue($tag2, $uId)) {
+			$case2 = 'value';
+		}
+		$case = $case1.$case2;
+
+		// all the possible cases
+		switch ($case) {
+			case 'keykey':
+				$values = $this->_getSynonymValues($tag2, $uId);
+				$this->removeSynonymGroup($tag2, $uId);
+				foreach($values as $value) {
+					$this->addSynonym($tag1, $value['tag'], $uId);
+				}
+				$this->addSynonym($tag1, $tag2, $uId);
+				break;
+
+			case 'valuekey':
+				$key = $this->_getSynonymKey($tag1, $uId);
+				$this->addSynonym($key, $tag2, $uId);
+				break;
+
+			case 'keyvalue':
+				$this->addSynonym($tag2, $tag1, $uId);
+				break;
+			case 'valuevalue':
+				$key1 =  $this->_getSynonymKey($tag1, $uId);
+				$key2 =  $this->_getSynonymKey($tag2, $uId);
+				$this->addSynonym($key1, $key2, $uId);
+				break;
+			case '0value':
+				$key = $this->_getSynonymKey($tag2, $uId);
+				$this->addSynonym($key, $tag1, $uId);
+				break;
+			case 'value0':
+				$this->addSynonym($tag2, $tag1, $uId);
+				break;
+			case '0key':
+				$this->addSynonym($tag2, $tag1, $uId);
+				break;
+			default:
+				$values = array('tag1' => $tag1, 'tag2' => $tag2, 'relationType'=> '=', 'uId'=> $uId);
+				$query = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+				//die($query);
+				if (!($dbresult =& $this->db->sql_query($query))) {
+					$this->db->sql_transaction('rollback');
+					message_die(GENERAL_ERROR, 'Could not add tag cache synonymy', '', __LINE__, __FILE__, $query, $this->db);
+					return false;
+				}
+				$this->db->sql_transaction('commit');
+				break;
+		}
+	}
+
+	function removeSynonymGroup($tag1, $uId) {		
+		$query = 'DELETE FROM '. $this->getTableName();
+		$query.= ' WHERE 1=1';
+		$query.= ' AND tag1 = "'. $tag1 .'"';
+		$query.= ' AND relationType = "="';
+		$query.= ' AND uId = "'. $uId .'"';
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not remove tag cache inference', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+	}
+
+	function _isSynonymKey($tag1, $uId) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag1 = $tagservice->normalize($tag1);
+
+		$query = "SELECT tag1 FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '='";
+		$query.= " AND uId = '".$uId."'";
+
+		return $this->db->sql_numrows($this->db->sql_query($query)) > 0;
+	}
+
+	function _isSynonymValue($tag2, $uId) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag2 = $tagservice->normalize($tag2);
+
+		$query = "SELECT tag2 FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag2 = '" .$tag2 ."'";
+		$query.= " AND relationType = '='";
+		$query.= " AND uId = '".$uId."'";
+
+		return $this->db->sql_numrows($this->db->sql_query($query)) > 0;
+	}
+
+	function getSynonyms($tag1, $uId) {	
+		$values = array();	
+		if($this->_isSynonymKey($tag1, $uId)) {
+			$values = $this->_getSynonymValues($tag1, $uId);
+		} elseif($this->_isSynonymValue($tag1, $uId)) {
+			$key = $this->_getSynonymKey($tag1, $uId);
+			$values = $this->_getSynonymValues($key, $uId, $tag1);
+			$values[] = $key;			
+		}
+		return $values;
+	}
+
+	function _getSynonymKey($tag2, $uId) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag2 = $tagservice->normalize($tag2);
+
+		if($this->_isSynonymKey($tag2)) return $tag2;
+		
+		if($tag2 == '') return false;
+
+		$query = "SELECT DISTINCT tag1 as 'tag'";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE relationType = '='";
+		$query.= " AND tag2 = '".$tag2."'";
+		$query.= " AND uId = '".$uId."'";
+
+		//die($query);
+		if (! ($dbresult =& $this->db->sql_query($query)) ){
+			message_die(GENERAL_ERROR, 'Could not get related tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$row = $this->db->sql_fetchrow($dbresult);
+		$this->db->sql_freeresult($dbresult);
+		return $row['tag'];
+	}
+
+	/*
+	 * Return values associated with a key.
+	 * $tagExcepted allows to hide a value.
+	 */
+	function _getSynonymValues($tag1, $uId, $tagExcepted = NULL) {
+		$tagservice =& ServiceFactory::getServiceInstance('TagService');
+		$tag1 = $tagservice->normalize($tag1);
+		$tagExcepted = $tagservice->normalize($tagExcepted);
+
+		if($tag1 == '') return false;
+
+		$query = "SELECT DISTINCT tag2 as 'tag'";
+		$query.= " FROM `". $this->getTableName() ."`";
+		$query.= " WHERE relationType = '='";
+		$query.= " AND tag1 = '".$tag1."'";
+		$query.= " AND uId = '".$uId."'";
+		$query.= $tagExcepted!=''?" AND tag2!='".$tagExcepted."'":"";
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ){
+			message_die(GENERAL_ERROR, 'Could not get related tags', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$rowset = $this->db->sql_fetchrowset($dbresult);
+
+		$output = array();
+		foreach($rowset as $row) {
+			$output[] = $row['tag'];
+		}
+		
+		$this->db->sql_freeresult($dbresult);
+		return $output;
+	}
+
+	function existsSynonym($tag1, $tag2, $uId) {
+		if($this->_getSynonymKey($tag1, $uId) == $tag2 || $this->_getSynonymKey($tag2, $uId) == $tag1) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+
+	function updateTag($tag1, $relationType, $otherTags, $uId) {
+		if($relationType == '=') {
+			if($this->getSynonyms($tag1, $uId)) {  // remove previous data avoiding unconstistency
+				$this->removeSynonymGroup($tag1, $uId);
+			}
+				
+			foreach($otherTags as $tag2) {
+				$this->addSynonym($tag1, $tag2, $uId);
+			}
+		} elseif($relationType == '>') {
+			if(count($this->getChildren($tag1, $uId))>0) { // remove previous data avoiding unconstistency
+				$this->removeChildren($tag1);
+			}
+			
+			foreach($otherTags as $tag2) {
+				$this->addChild($tag1, $tag2, $uId);
+			}
+		}		
+	}
+
+	function deleteByUser($uId) {
+		$query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '. intval($uId);
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not delete user tags cache', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		return true;
+
+	}
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+}
+?>
diff --git a/src/SemanticScuttle/Service/tagservice.php b/src/SemanticScuttle/Service/tagservice.php
new file mode 100644
index 0000000..fc44a99
--- /dev/null
+++ b/src/SemanticScuttle/Service/tagservice.php
@@ -0,0 +1,123 @@
+<?php
+class TagService {
+	var $db;
+	var $tablename;
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new TagService($db);
+		return $instance;
+	}
+
+	function TagService(&$db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'tags';
+	}
+
+	function getDescription($tag, $uId) {
+		$query = 'SELECT tag, uId, tDescription';
+		$query.= ' FROM '.$this->getTableName();
+		$query.= ' WHERE tag = "'.$tag.'"';
+		$query.= ' AND uId = "'.$uId.'"';
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get tag description', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			return $row;
+		} else {
+			return array('tDescription'=>'');
+		}
+	}
+	
+	function existsDescription($tag, $uId) {
+			$query = 'SELECT tag, uId, tDescription';
+		$query.= ' FROM '.$this->getTableName();
+		$query.= ' WHERE tag = "'.$tag.'"';
+		$query.= ' AND uId = "'.$uId.'"';
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get tag description', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	function getAllDescriptions($tag) {
+		$query = 'SELECT tag, uId, tDescription';
+		$query.= ' FROM '.$this->getTableName();
+		$query.= ' WHERE tag = "'.$tag.'"';
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get tag description', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		return $this->db->sql_fetchrowset($dbresult);
+	}
+
+	function updateDescription($tag, $uId, $desc) {
+		if($this->existsDescription($tag, $uId)) {
+			$query = 'UPDATE '.$this->getTableName();
+			$query.= ' SET tDescription="'.$this->db->sql_escape($desc).'"';
+			$query.= ' WHERE tag="'.$tag.'" AND uId="'.$uId.'"';
+		} else {
+			$values = array('tag'=>$tag, 'uId'=>$uId, 'tDescription'=>$desc);
+			$query = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+		}
+
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+		$this->db->sql_transaction('commit');
+		return true;
+	}
+
+	function renameTag($uId, $oldName, $newName) {
+		$newname = $this->normalize($newname);
+		
+		$query = 'UPDATE `'. $this->getTableName() .'`';
+		$query.= ' SET tag="'.$newName.'"';
+		$query.= ' WHERE tag="'.$oldName.'"';
+		$query.= ' AND uId="'.$uId.'"';
+		$this->db->sql_query($query);
+		return true;
+	}
+	
+	/* normalize the input tags which could be a string or an array*/
+	function normalize($tags) {
+		//clean tags from strange characters
+		$tags = str_replace(array('"', '\'', '/'), "_", $tags);
+		
+		//normalize
+		if(!is_array($tags)) {
+			$tags = strtolower(trim($tags));
+		} else {
+			for($i=0; $i<count($tags); $i++) {
+				$tags[$i] = strtolower(trim($tags[$i])); 
+			}
+		}
+		return $tags;
+	}
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+}
+?>
diff --git a/src/SemanticScuttle/Service/tagstatservice.php b/src/SemanticScuttle/Service/tagstatservice.php
new file mode 100644
index 0000000..9d3ca5d
--- /dev/null
+++ b/src/SemanticScuttle/Service/tagstatservice.php
@@ -0,0 +1,193 @@
+<?php
+class TagStatService {
+	var $db;
+	var $tablename;
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new TagStatService($db);
+		return $instance;
+	}
+
+	function TagStatService(&$db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'tagsstats';
+	}
+
+	function getNbChildren($tag1, $relationType, $uId) {
+		$tts =& ServiceFactory::getServiceInstance('Tag2TagService');
+		$query = "SELECT tag1, relationType, uId FROM `". $tts->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+
+		return $this->db->sql_numrows($this->db->sql_query($query));
+	}
+
+	function getNbDescendants($tag1, $relationType, $uId) {
+		$query = "SELECT nb FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+
+		$dbresults =& $this->db->sql_query($query);
+		$row = $this->db->sql_fetchrow($dbresults);
+		if($row['nb'] == null) {
+			return 0;
+		} else {
+			return (int) $row['nb'];
+		}
+	}
+
+	function getMaxDepth($tag1, $relationType, $uId) {
+		$query = "SELECT depth FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+
+		$dbresults =& $this->db->sql_query($query);
+		$row = $this->db->sql_fetchrow($dbresults);
+		if($row['depth'] == null) {
+			return 0;
+		} else {
+			return (int) $row['depth'];
+		};
+	}
+
+	function getNbUpdates($tag1, $relationType, $uId) {
+		$query = "SELECT nbupdate FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+
+		$dbresults =& $this->db->sql_query($query);
+		$row = $this->db->sql_fetchrow($dbresults);
+		if($row['nbupdate'] == null) {
+			return 0;
+		} else {
+			return (int) $row['nbupdate'];
+		}
+	}
+
+	function existStat($tag1, $relationType, $uId) {
+		$query = "SELECT tag1, relationType, uId FROM `". $this->getTableName() ."`";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+
+		return $this->db->sql_numrows($this->db->sql_query($query))>0;
+	}
+
+	function createStat($tag1, $relationType, $uId) {
+		$query = "INSERT INTO `". $this->getTableName() ."`";
+		$query.= "(tag1, relationType, uId)";
+		$query.= " VALUES ('".$tag1."','".$relationType."','".$uId."')";
+		$this->db->sql_query($query);
+	}
+
+	function updateStat($tag1, $relationType, $uId=null, $stoplist=array()) {
+		if(in_array($tag1, $stoplist)) {
+			return false;
+		}
+
+		$tts =& ServiceFactory::getServiceInstance('Tag2TagService');
+		$linkedTags = $tts->getLinkedTags($tag1, $relationType, $uId);
+		$nbDescendants = 0;
+		$maxDepth = 0;
+		foreach($linkedTags as $linkedTag) {
+			$nbDescendants+= 1 + $this->getNbDescendants($linkedTag, $relationType, $uId);
+			$maxDepth = max($maxDepth, 1 + $this->getMaxDepth($linkedTag, $relationType, $uId));
+		}
+		$this->setNbDescendants($tag1, $relationType, $uId, $nbDescendants);
+		$this->setMaxDepth($tag1, $relationType, $uId, $maxDepth);
+		$this->increaseNbUpdate($tag1, $relationType, $uId);
+
+		// propagation to the precedent tags
+		$linkedTags = $tts->getLinkedTags($tag1, $relationType, $uId, true);
+		$stoplist[] = $tag1;
+		foreach($linkedTags as $linkedTag) {
+			$this->updateStat($linkedTag, $relationType, $uId, $stoplist);
+		}
+	}
+
+	function updateAllStat() {
+		$tts =& ServiceFactory::getServiceInstance('Tag2TagService');
+
+		$query = "SELECT tag1, uId FROM `". $tts->getTableName() ."`";
+		$query.= " WHERE relationType = '>'";
+
+		//die($query);
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ){
+			message_die(GENERAL_ERROR, 'Could not update stats', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$rowset = $this->db->sql_fetchrowset($dbresult);
+		foreach($rowset as $row) {
+			$this->updateStat($row['tag1'], '>', $row['uId']);
+		}
+	}
+
+	function setNbDescendants($tag1, $relationType, $uId, $nb) {
+		if(!$this->existStat($tag1, $relationType, $uId)) {
+			$this->createStat($tag1, $relationType, $uId);
+		}
+		$query = "UPDATE `". $this->getTableName() ."`";
+		$query.= " SET nb = ". $nb;
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+		$this->db->sql_query($query);
+	}
+
+	function setMaxDepth($tag1, $relationType, $uId, $depth) {
+		if(!$this->existStat($tag1, $relationType, $uId)) {
+			$this->createStat($tag1, $relationType, $uId);
+		}
+		$query = "UPDATE `". $this->getTableName() ."`";
+		$query.= " SET depth = ". $depth;
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+		$this->db->sql_query($query);
+	}
+
+	function increaseNbUpdate($tag1, $relationType, $uId) {
+		if(!$this->existStat($tag1, $relationType, $uId)) {
+			$this->createStat($tag1, $relationType, $uId);
+		}
+		$query = "UPDATE `". $this->getTableName() ."`";
+		$query.= " SET nbupdate = nbupdate + 1";
+		$query.= " WHERE tag1 = '" .$tag1 ."'";
+		$query.= " AND relationType = '". $relationType ."'";
+		$query.= " AND uId = '".$uId."'";
+
+		//die($query);
+
+		$this->db->sql_query($query);
+	}
+
+	function deleteTagStatForUser($uId) {
+		$query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '.		intval($uId);
+
+		if (!($dbresult = & $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not delete tag stats', '', __LINE__,
+			__FILE__, $query, $this->db);
+			return false;
+		}
+
+		return true;
+	}
+
+	function deleteAll() {
+		$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+		$this->db->sql_query($query);
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+}
+?>
diff --git a/src/SemanticScuttle/Service/templateservice.php b/src/SemanticScuttle/Service/templateservice.php
new file mode 100644
index 0000000..05e494c
--- /dev/null
+++ b/src/SemanticScuttle/Service/templateservice.php
@@ -0,0 +1,46 @@
+<?php
+class TemplateService {
+	var $basedir;
+
+	function &getInstance() {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new TemplateService();
+		return $instance;
+	}
+
+	function TemplateService() {
+		$this->basedir = $GLOBALS['TEMPLATES_DIR'];
+	}
+
+	function loadTemplate($template, $vars = NULL) {
+		if (substr($template, -4) != '.php')
+		$template .= '.php';
+		$tpl =& new Template($this->basedir .'/'. $template, $vars, $this);
+		$tpl->parse();
+		return $tpl;
+	}
+}
+
+class Template {
+	var $vars = array();
+	var $file = '';
+	var $templateservice;
+
+	function Template($file, $vars = NULL, &$templateservice) {
+		$this->vars = $vars;
+		$this->file = $file;
+		$this->templateservice = $templateservice;
+	}
+
+	function parse() {
+		if (isset($this->vars))
+		extract($this->vars);
+		include($this->file);
+	}
+
+	function includeTemplate($name) {
+		return $this->templateservice->loadTemplate($name, $this->vars);
+	}
+}
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/Service/userservice.php b/src/SemanticScuttle/Service/userservice.php
new file mode 100644
index 0000000..407632b
--- /dev/null
+++ b/src/SemanticScuttle/Service/userservice.php
@@ -0,0 +1,665 @@
+<?php
+class UserService {
+	var $db;
+	var $fields = array(
+        'primary'   =>  'uId',
+        'username'  =>  'username',
+        'password'  =>  'password');
+	var $profileurl;
+	var $tablename;
+	var $sessionkey;
+	var $cookiekey;
+	var $cookietime = 1209600; // 2 weeks
+
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new UserService($db);
+		return $instance;
+	}
+
+	function UserService(& $db) {
+		$this->db =& $db;
+		$this->tablename = $GLOBALS['tableprefix'] .'users';
+		$this->sessionkey = INSTALLATION_ID.'-currentuserid';
+		$this->cookiekey = INSTALLATION_ID.'-login';
+		$this->profileurl = createURL('profile', '%2$s');
+		$this->updateSessionStability();
+	}
+
+	function _checkdns($host) {
+		if (function_exists('checkdnsrr')) {
+			return checkdnsrr($host);
+		} else {
+			return $this->_checkdnsrr($host);
+		}
+	}
+
+	function _checkdnsrr($host, $type = "MX") {
+		if(!empty($host)) {
+			@exec("nslookup -type=$type $host", $output);
+			while(list($k, $line) = each($output)) {
+				if(eregi("^$host", $line)) {
+					return true;
+				}
+			}
+			return false;
+		}
+	}
+
+	function _getuser($fieldname, $value) {
+		$query = 'SELECT * FROM '. $this->getTableName() .' WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"';
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+			message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$row =& $this->db->sql_fetchrow($dbresult);
+		$this->db->sql_freeresult($dbresult);
+		if ($row) {
+			return $row;
+		} else {
+			return false;
+		}
+	}
+
+	function & getUsers($nb=0) {
+		$query = 'SELECT * FROM '. $this->getTableName() .' ORDER BY `uId` DESC';
+		if($nb>0) {
+			$query .= ' LIMIT 0, '.$nb;
+		}
+		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+			message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		while ($row = & $this->db->sql_fetchrow($dbresult)) {
+			$users[] = $row;
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $users;
+	}
+
+	function & getObjectUsers($nb=0) {
+		$query = 'SELECT * FROM '. $this->getTableName() .' ORDER BY `uId` DESC';
+		if($nb>0) {
+			$query .= ' LIMIT 0, '.$nb;
+		}
+		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+			message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		while ($row = & $this->db->sql_fetchrow($dbresult)) {
+			$users[] = new User($row[$this->getFieldName('primary')], $row[$this->getFieldName('username')]);
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $users;
+	}
+
+	function _randompassword() {
+		$seed = (integer) md5(microtime());
+		mt_srand($seed);
+		$password = mt_rand(1, 99999999);
+		$password = substr(md5($password), mt_rand(0, 19), mt_rand(6, 12));
+		return $password;
+	}
+
+	function _updateuser($uId, $fieldname, $value) {
+		$updates = array ($fieldname => $value);
+		$sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
+
+		// Execute the statement.
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+		$this->db->sql_transaction('commit');
+
+		// Everything worked out, so return true.
+		return true;
+	}
+
+	function getProfileUrl($id, $username) {
+		return sprintf($this->profileurl, urlencode($id), urlencode($username));
+	}
+
+	function getUserByUsername($username) {
+		return $this->_getuser($this->getFieldName('username'), $username);
+	}
+
+	function getObjectUserByUsername($username) {
+		$user = $this->_getuser($this->getFieldName('username'), $username);
+		if($user != false) {
+			return new User($user[$this->getFieldName('primary')], $username);
+		} else {
+			return NULL;
+		}
+	}
+
+	/* Takes an numerical "id" or a string "username"
+	 and returns the numerical "id" if the user exists else returns NULL */
+	function getIdFromUser($user) {
+		if (is_int($user)) {
+			return intval($user);
+		} else {
+			$objectUser = $this->getObjectUserByUsername($user);
+			if($objectUser != NULL) {
+				return $objectUser->getId();
+			}
+		}
+		return NULL;
+	}
+
+	function getUser($id) {
+		return $this->_getuser($this->getFieldName('primary'), $id);
+	}
+
+	// Momentary useful in order to go to object code
+	function getObjectUser($id) {
+		$user = $this->_getuser($this->getFieldName('primary'), $id);
+		return new User($id, $user[$this->getFieldName('username')]);
+	}
+
+	function isLoggedOn() {
+		return ($this->getCurrentUserId() !== false);
+	}
+
+	function &getCurrentUser($refresh = FALSE, $newval = NULL) {
+		static $currentuser;
+		if (!is_null($newval)) { //internal use only: reset currentuser
+			$currentuser = $newval;
+		} else if ($refresh || !isset($currentuser)) {
+			if ($id = $this->getCurrentUserId()) {
+				$currentuser = $this->getUser($id);
+			} else {
+				$currentuser = null;
+			}
+		}
+		return $currentuser;
+	}
+
+	// Momentary useful in order to go to object code
+	function getCurrentObjectUser($refresh = FALSE, $newval = NULL) {
+		static $currentObjectUser;
+		if (!is_null($newval)) { //internal use only: reset currentuser
+			$currentObjectUser = $newval;
+		} else if ($refresh || !isset($currentObjectUser)) {
+			if ($id = $this->getCurrentUserId()) {
+				$currentObjectUser = $this->getObjectUser($id);
+			} else {
+				$currentObjectUser = null;
+			}
+		}
+		return $currentObjectUser;
+	}
+
+	function existsUserWithUsername($username) {
+		if($this->getUserByUsername($username) != '') {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	function existsUser($id) {
+		if($this->getUser($id) != '') {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Checks if the given user is an administrator.
+	 * Uses global admin_users property containing admin
+	 * user names
+	 *
+	 * @param integer|array $user User ID or user row from DB
+	 *
+	 * @return boolean True if the user is admin
+	 */
+	function isAdmin($user)
+	{
+		if (is_numeric($user)) {
+			$user = $this->getUser($user);
+		}
+
+		if (isset($GLOBALS['admin_users'])
+			&& in_array($user['username'], $GLOBALS['admin_users'])
+		) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/* return current user id based on session or cookie */
+	function getCurrentUserId() {
+		if (isset($_SESSION[$this->getSessionKey()])) {
+			return $_SESSION[$this->getSessionKey()];
+		} else if (isset($_COOKIE[$this->getCookieKey()])) {
+			$cook = split(':', $_COOKIE[$this->getCookieKey()]);
+			//cookie looks like this: 'id:md5(username+password)'
+			$query = 'SELECT * FROM '. $this->getTableName() .
+                     ' WHERE MD5(CONCAT('.$this->getFieldName('username') .
+                                     ', '.$this->getFieldName('password') .
+                     ')) = \''.$this->db->sql_escape($cook[1]).'\' AND '.
+			$this->getFieldName('primary'). ' = '. $this->db->sql_escape($cook[0]);
+
+			if (! ($dbresult =& $this->db->sql_query($query)) ) {
+				message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+				return false;
+			}
+
+			if ($row = $this->db->sql_fetchrow($dbresult)) {
+				$_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
+				$this->db->sql_freeresult($dbresult);
+				return $_SESSION[$this->getSessionKey()];
+			}
+		}
+		return false;
+	}
+
+	function login($username, $password, $remember = FALSE) {
+		$password = $this->sanitisePassword($password);
+		$query = 'SELECT '. $this->getFieldName('primary') .' FROM '. $this->getTableName() .' WHERE '. $this->getFieldName('username') .' = "'. $this->db->sql_escape($username) .'" AND '. $this->getFieldName('password') .' = "'. $this->db->sql_escape($password) .'"';
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+			message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		if ($row =& $this->db->sql_fetchrow($dbresult)) {
+			$id = $_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
+			if ($remember) {
+				$cookie = $id .':'. md5($username.$password);
+				setcookie($this->cookiekey, $cookie, time() + $this->cookietime, '/');
+			}
+			$this->db->sql_freeresult($dbresult);
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	function logout() {
+		@setcookie($this->getCookiekey(), '', time() - 1, '/');
+		unset($_COOKIE[$this->getCookiekey()]);
+		session_unset();
+		$this->getCurrentUser(TRUE, false);
+	}
+
+	function getWatchlist($uId) {
+		// Gets the list of user IDs being watched by the given user.
+		$query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($uId);
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+			message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$arrWatch = array();
+		if ($this->db->sql_numrows($dbresult) == 0) {
+			$this->db->sql_freeresult($dbresult);
+			return $arrWatch;
+		}
+		while ($row =& $this->db->sql_fetchrow($dbresult)) {
+			$arrWatch[] = $row['watched'];
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $arrWatch;
+	}
+
+	function getWatchNames($uId, $watchedby = false) {
+		// Gets the list of user names being watched by the given user.
+		// - If $watchedby is false get the list of users that $uId watches
+		// - If $watchedby is true get the list of users that watch $uId
+		if ($watchedby) {
+			$table1 = 'b';
+			$table2 = 'a';
+		} else {
+			$table1 = 'a';
+			$table2 = 'b';
+		}
+		$query = 'SELECT '. $table1 .'.'. $this->getFieldName('username') .' FROM '. $GLOBALS['tableprefix'] .'watched AS W, '. $this->getTableName() .' AS a, '. $this->getTableName() .' AS b WHERE W.watched = a.'. $this->getFieldName('primary') .' AND W.uId = b.'. $this->getFieldName('primary') .' AND '. $table2 .'.'. $this->getFieldName('primary') .' = '. intval($uId) .' ORDER BY '. $table1 .'.'. $this->getFieldName('username');
+
+		if (!($dbresult =& $this->db->sql_query($query))) {
+			message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$arrWatch = array();
+		if ($this->db->sql_numrows($dbresult) == 0) {
+			$this->db->sql_freeresult($dbresult);
+			return $arrWatch;
+		}
+		while ($row =& $this->db->sql_fetchrow($dbresult)) {
+			$arrWatch[] = $row[$this->getFieldName('username')];
+		}
+		$this->db->sql_freeresult($dbresult);
+		return $arrWatch;
+	}
+
+	function getWatchStatus($watcheduser, $currentuser) {
+		// Returns true if the current user is watching the given user, and false otherwise.
+		$query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched AS W INNER JOIN '. $this->getTableName() .' AS U ON U.'. $this->getFieldName('primary') .' = W.watched WHERE U.'. $this->getFieldName('primary') .' = '. intval($watcheduser) .' AND W.uId = '. intval($currentuser);
+
+		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+			message_die(GENERAL_ERROR, 'Could not get watchstatus', '', __LINE__, __FILE__, $query, $this->db);
+			return false;
+		}
+
+		$arrWatch = array();
+		if ($this->db->sql_numrows($dbresult) == 0)
+		return false;
+		else
+		return true;
+	}
+
+	function setWatchStatus($subjectUserID) {
+		if (!is_numeric($subjectUserID))
+		return false;
+
+		$currentUserID = $this->getCurrentUserId();
+		$watched = $this->getWatchStatus($subjectUserID, $currentUserID);
+
+		if ($watched) {
+			$sql = 'DELETE FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($currentUserID) .' AND watched = '. intval($subjectUserID);
+			if (!($dbresult =& $this->db->sql_query($sql))) {
+				$this->db->sql_transaction('rollback');
+				message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
+				return false;
+			}
+		} else {
+			$values = array(
+                'uId' => intval($currentUserID),
+                'watched' => intval($subjectUserID)
+			);
+			$sql = 'INSERT INTO '. $GLOBALS['tableprefix'] .'watched '. $this->db->sql_build_array('INSERT', $values);
+			if (!($dbresult =& $this->db->sql_query($sql))) {
+				$this->db->sql_transaction('rollback');
+				message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
+				return false;
+			}
+		}
+
+		$this->db->sql_transaction('commit');
+		return true;
+	}
+
+	function addUser($username, $password, $email) {
+		// Set up the SQL UPDATE statement.
+		$datetime = gmdate('Y-m-d H:i:s', time());
+		$password = $this->sanitisePassword($password);
+		$values = array('username' => $username, 'password' => $password, 'email' => $email, 'uDatetime' => $datetime, 'uModified' => $datetime);
+		$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+
+		// Execute the statement.
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not insert user', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+		$this->db->sql_transaction('commit');
+
+		// Everything worked out, so return true.
+		return true;
+	}
+
+	function updateUser($uId, $password, $name, $email, $homepage, $uContent) {
+		if (!is_numeric($uId))
+		return false;
+
+		// Set up the SQL UPDATE statement.
+		$moddatetime = gmdate('Y-m-d H:i:s', time());
+		if ($password == '')
+		$updates = array ('uModified' => $moddatetime, 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
+		else
+		$updates = array ('uModified' => $moddatetime, 'password' => $this->sanitisePassword($password), 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
+		$sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
+
+		// Execute the statement.
+		$this->db->sql_transaction('begin');
+		if (!($dbresult = & $this->db->sql_query($sql))) {
+			$this->db->sql_transaction('rollback');
+			message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
+			return false;
+		}
+		$this->db->sql_transaction('commit');
+
+		// Everything worked out, so return true.
+		return true;
+	}
+
+	function getAllUsers ( ) {

+		$query = 'SELECT * FROM '. $this->getTableName();

+

+		if (! ($dbresult =& $this->db->sql_query($query)) ) {

+			message_die(GENERAL_ERROR, 'Could not get users', '', __LINE__, __FILE__, $query, $this->db);

+			return false;

+		}

+

+		$rows = array();

+

+		while ( $row = $this->db->sql_fetchrow($dbresult) ) {

+			$rows[] = $row;

+		}

+		$this->db->sql_freeresult($dbresult);

+		return $rows;

+	}
+	
+	// Returns an array with admin uIds
+	function getAdminIds() {
+		$admins = array();
+		foreach($GLOBALS['admin_users'] as $adminName) {
+			if($this->getIdFromUser($adminName) != NULL)
+			$admins[] = $this->getIdFromUser($adminName); 
+		}
+		return $admins;
+	}

+

+	function deleteUser($uId) {

+		$query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '. intval($uId);

+

+		if (!($dbresult = & $this->db->sql_query($query))) {

+			message_die(GENERAL_ERROR, 'Could not delete user', '', __LINE__, __FILE__, $query, $this->db);

+			return false;

+		}

+

+		return true;

+	}

+
+
+	function sanitisePassword($password) {
+		return sha1(trim($password));
+	}
+
+	function generatePassword($uId) {
+		if (!is_numeric($uId))
+		return false;
+
+		$password = $this->_randompassword();
+
+		if ($this->_updateuser($uId, $this->getFieldName('password'), $this->sanitisePassword($password)))
+		return $password;
+		else
+		return false;
+	}
+
+	function isReserved($username) {
+		if (in_array($username, $GLOBALS['reservedusers'])) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	function isValidUsername($username) {
+		if (strlen($username) < 4) {
+			return false;
+		}elseif (strlen($username) > 24) {
+			// too long usernames are cut by database and may cause bugs when compared
+			return false;
+		} elseif (preg_match('/(\W)/', $username) > 0) {
+			// forbidden non-alphanumeric characters
+			return false;
+		}
+		return true;
+	}
+
+
+
+	function isValidEmail($email) {
+		if (eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})$", $email)) {
+			list($emailUser, $emailDomain) = split("@", $email);
+
+			// Check if the email domain has a DNS record
+			//if ($this->_checkdns($emailDomain)) {
+			return true;
+			//}
+		}
+		return false;
+	}
+
+	/**
+	 * Sets a session variable.
+	 * Updates it when it is already set.
+	 * This is used to detect if cookies work.
+	 *
+	 * @return void
+	 *
+	 * @see isSessionStable()
+	 */
+	function updateSessionStability() {
+		//find out if we have cookies enabled
+		if (!isset($_SESSION['sessionStable'])) {
+			$_SESSION['sessionStable'] = 0;
+		} else {
+			$_SESSION['sessionStable'] = 1;
+		}
+	}
+
+	/**
+    	 * Tells you if the session is fresh or old.
+    	 * If the session is fresh, it's the first page
+    	 * call with that session id. If the session is old,
+    	 * we know that cookies (or session persistance) works
+    	 * 
+    	 * @return boolean True if the 
+    	 *
+    	 * @see updateSessionStability()
+    	 */
+	function isSessionStable() {
+		return $_SESSION['sessionStable'] == 1;
+	}
+
+	// Properties
+	function getTableName()       { return $this->tablename; }
+	function setTableName($value) { $this->tablename = $value; }
+
+	function getFieldName($field)         { return $this->fields[$field]; }
+	function setFieldName($field, $value) { $this->fields[$field] = $value; }
+
+	function getSessionKey()       { return $this->sessionkey; }
+	function setSessionKey($value) { $this->sessionkey = $value; }
+
+	function getCookieKey()       { return $this->cookiekey; }
+	function setCookieKey($value) { $this->cookiekey = $value; }
+}
+
+
+/* Defines a user. Rare fields are filled if required. */
+class User {
+
+	var $id;
+	var $username;
+	var $name;
+	var $email;
+	var $homepage;
+	var $content;
+	var $datetime;
+	var $isAdmin;
+
+	function User($id, $username) {
+		$this->id = $id;
+		$this->username = $username;
+	}
+
+	function getId() {
+		return $this->id;
+	}
+
+	function getUsername() {
+		return $this->username;
+	}
+
+	function getName() {
+		// Look for value only if not already set
+		if(!isset($this->name)) {
+			$userservice =& ServiceFactory::getServiceInstance('UserService');
+			$user = $userservice->getUser($this->id);
+			$this->name = $user['name'];
+		}
+		return $this->name;
+	}
+
+	function getEmail() {
+		// Look for value only if not already set
+		if(!isset($this->email)) {
+			$userservice =& ServiceFactory::getServiceInstance('UserService');
+			$user = $userservice->getUser($this->id);
+			$this->email = $user['email'];
+		}
+		return $this->email;
+	}
+
+	function getHomepage() {
+		// Look for value only if not already set
+		if(!isset($this->homepage)) {
+			$userservice =& ServiceFactory::getServiceInstance('UserService');
+			$user = $userservice->getUser($this->id);
+			$this->homepage = $user['homepage'];
+		}
+		return $this->homepage;
+	}
+
+	function getContent() {
+		// Look for value only if not already set
+		if(!isset($this->content)) {
+			$userservice =& ServiceFactory::getServiceInstance('UserService');
+			$user = $userservice->getUser($this->id);
+			$this->content = $user['uContent'];
+		}
+		return $this->content;
+	}
+
+	function getDatetime() {
+		// Look for value only if not already set
+		if(!isset($this->content)) {
+			$userservice =& ServiceFactory::getServiceInstance('UserService');
+			$user = $userservice->getUser($this->id);
+			$this->datetime = $user['uDatetime'];
+		}
+		return $this->datetime;
+	}
+
+	function isAdmin() {
+		// Look for value only if not already set
+		if(!isset($this->isAdmin)) {
+			$userservice =& ServiceFactory::getServiceInstance('UserService');
+			$this->isAdmin = $userservice->isAdmin($this->id);
+		}
+		return $this->isAdmin;
+	}
+	
+	function getNbBookmarks($range = 'public') {
+		$bookmarkservice =& ServiceFactory::getServiceInstance('BookmarkService');
+		return $bookmarkservice->countBookmarks($this->getId(), $range);
+	}
+}
+?>
diff --git a/src/SemanticScuttle/constants.php b/src/SemanticScuttle/constants.php
new file mode 100644
index 0000000..4940af8
--- /dev/null
+++ b/src/SemanticScuttle/constants.php
@@ -0,0 +1,62 @@
+<?php
+/*
+ * Define constants used in all the application.
+ * Some constants are based on variables from configuration file.
+ */
+
+// Debug managament
+if(isset($GLOBALS['debugMode'])) {
+	define('DEBUG_MODE', $GLOBALS['debugMode']);
+	define('DEBUG_EXTRA', $GLOBALS['debugMode']); // Constant used exclusively into db/ directory
+}
+
+// Determine the base URL as ROOT
+if (!isset($GLOBALS['root'])) {
+	$pieces = explode('/', $_SERVER['SCRIPT_NAME']);
+	
+	$rootTmp = '/';
+	foreach($pieces as $piece) {
+		//we eliminate possible sscuttle subfolders (like gsearch for example)
+		if ($piece != '' && !strstr($piece, '.php') && $piece != 'gsearch') {
+			$rootTmp .= $piece .'/';
+		}
+	}
+	if (($rootTmp != '/') && (substr($rootTmp, -1, 1) != '/')) {
+		$rootTmp .= '/';
+	}
+
+	define('ROOT', 'http://'. $_SERVER['HTTP_HOST'] . $rootTmp);
+} else {
+	define('ROOT', $GLOBALS['root']);
+}
+
+// Error codes
+define('GENERAL_MESSAGE', 200);
+define('GENERAL_ERROR', 202);
+define('CRITICAL_MESSAGE', 203);
+define('CRITICAL_ERROR', 204);
+
+// Page name
+define('PAGE_INDEX', "index");
+define('PAGE_BOOKMARKS', "bookmarks");
+define('PAGE_WATCHLIST', "watchlist");
+
+
+// Miscellanous
+
+// INSTALLATION_ID is based on directory DB and used as prefix (in session and cookie) to prevent mutual login for different installations on the same host server
+define('INSTALLATION_ID', md5($GLOBALS['dbname'].$GLOBALS['tableprefix']));
+
+// Correct bugs with PATH_INFO (maybe for Apache 1 or CGI) -- for 1&1 host...
+if (isset($_SERVER['PATH_INFO']) && isset($_SERVER['ORIG_PATH_INFO'])) {
+	if(strlen($_SERVER["PATH_INFO"])<strlen($_SERVER["ORIG_PATH_INFO"])) {
+		$_SERVER["PATH_INFO"] = $_SERVER["ORIG_PATH_INFO"];
+	}
+	if(strcasecmp($_SERVER["PATH_INFO"], $_SERVER["SCRIPT_NAME "]) == 0) {
+		unset($_SERVER["PATH_INFO"]);
+	}
+	if(strpos($_SERVER["PATH_INFO"], '.php') !== false) {
+		unset($_SERVER["PATH_INFO"]);
+	}
+}
+?>
diff --git a/src/SemanticScuttle/db/db2.php b/src/SemanticScuttle/db/db2.php
new file mode 100644
index 0000000..b1abf1a
--- /dev/null
+++ b/src/SemanticScuttle/db/db2.php
@@ -0,0 +1,417 @@
+<?php
+/** 
+*
+* @package dbal_db2
+* @version $Id: db2.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if(!defined("SQL_LAYER"))
+{
+
+define("SQL_LAYER","db2");
+
+/**
+* @package dbal_db2
+* DB2 Database Abstraction Layer
+*/
+class sql_db
+{
+
+	var $db_connect_id;
+	var $query_result;
+	var $query_resultset;
+	var $query_numrows;
+	var $next_id;
+	var $row = array();
+	var $rowset = array();
+	var $row_index;
+	var $num_queries = 0;
+
+	//
+	// Constructor
+	//
+	function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->password = $sqlpassword;
+		$this->dbname = $database;
+
+		$this->server = $sqlserver;
+
+		if($this->persistency)
+		{
+			$this->db_connect_id = odbc_pconnect($this->server, "", "");
+		}
+		else
+		{
+			$this->db_connect_id = odbc_connect($this->server, "", "");
+		}
+
+		if($this->db_connect_id)
+		{
+			@odbc_autocommit($this->db_connect_id, off);
+
+			return $this->db_connect_id;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if($this->db_connect_id)
+		{
+			if($this->query_result)
+			{
+				@odbc_free_result($this->query_result);
+			}
+			$result = @odbc_close($this->db_connect_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+
+	//
+	// Query method
+	//
+	function sql_query($query = "", $transaction = FALSE)
+	{
+		//
+		// Remove any pre-existing queries
+		//
+		unset($this->query_result);
+		unset($this->row);
+		if($query != "")
+		{
+			$this->num_queries++;
+
+			if(!eregi("^INSERT ",$query))
+			{
+				if(eregi("LIMIT", $query))
+				{
+					preg_match("/^(.*)LIMIT ([0-9]+)[, ]*([0-9]+)*/s", $query, $limits);
+
+					$query = $limits[1];
+					if($limits[3])
+					{
+						$row_offset = $limits[2];
+						$num_rows = $limits[3];
+					}
+					else
+					{
+						$row_offset = 0;
+						$num_rows = $limits[2];
+					}
+
+					$query .= " FETCH FIRST ".($row_offset+$num_rows)." ROWS ONLY OPTIMIZE FOR ".($row_offset+$num_rows)." ROWS";
+
+					$this->query_result = odbc_exec($this->db_connect_id, $query);
+
+					$query_limit_offset = $row_offset;
+					$this->result_numrows[$this->query_result] = $num_rows;
+				}
+				else
+				{
+					$this->query_result = odbc_exec($this->db_connect_id, $query);
+
+					$row_offset = 0;
+					$this->result_numrows[$this->query_result] = 5E6;
+				}
+
+				$result_id = $this->query_result;
+				if($this->query_result && eregi("^SELECT", $query))
+				{
+
+					for($i = 1; $i < odbc_num_fields($result_id)+1; $i++)
+					{
+						$this->result_field_names[$result_id][] = odbc_field_name($result_id, $i);
+					}
+
+					$i =  $row_offset + 1;
+					$k = 0;
+					while(odbc_fetch_row($result_id, $i) && $k < $this->result_numrows[$result_id])
+					{
+
+						for($j = 1; $j < count($this->result_field_names[$result_id])+1; $j++)
+						{
+							$this->result_rowset[$result_id][$k][$this->result_field_names[$result_id][$j-1]] = odbc_result($result_id, $j);
+						}
+						$i++;
+						$k++;
+					}
+
+					$this->result_numrows[$result_id] = $k;
+					$this->row_index[$result_id] = 0;
+				}
+				else
+				{
+					$this->result_numrows[$result_id] = @odbc_num_rows($result_id);
+					$this->row_index[$result_id] = 0;
+				}
+			}
+			else
+			{
+				if(eregi("^(INSERT|UPDATE) ", $query))
+				{
+					$query = preg_replace("/\\\'/s", "''", $query);
+				}
+
+				$this->query_result = odbc_exec($this->db_connect_id, $query);
+
+				if($this->query_result)
+				{
+					$sql_id = "VALUES(IDENTITY_VAL_LOCAL())";
+
+					$id_result = odbc_exec($this->db_connect_id, $sql_id);
+					if($id_result)
+					{
+						$row_result = odbc_fetch_row($id_result);
+						if($row_result)
+						{
+							$this->next_id[$this->query_result] = odbc_result($id_result, 1);
+						}
+					}
+				}
+
+				odbc_commit($this->db_connect_id);
+
+				$this->query_limit_offset[$this->query_result] = 0;
+				$this->result_numrows[$this->query_result] = 0;
+			}
+
+			return $this->query_result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	//
+	// Other query methods
+	//
+	function sql_numrows($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			return $this->result_numrows[$query_id];
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_affectedrows($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			return $this->result_numrows[$query_id];
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_numfields($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = count($this->result_field_names[$query_id]);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fieldname($offset, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = $this->result_field_names[$query_id][$offset];
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fieldtype($offset, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @odbc_field_type($query_id, $offset);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fetchrow($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			if($this->row_index[$query_id] < $this->result_numrows[$query_id])
+			{
+				$result = $this->result_rowset[$query_id][$this->row_index[$query_id]];
+				$this->row_index[$query_id]++;
+				return $result;
+			}
+			else
+			{
+				return false;
+			}
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fetchrowset($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$this->row_index[$query_id] = $this->result_numrows[$query_id];
+			return $this->result_rowset[$query_id];
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fetchfield($field, $row = -1, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			if($row < $this->result_numrows[$query_id])
+			{
+				if($row == -1)
+				{
+					$getrow = $this->row_index[$query_id]-1;
+				}
+				else
+				{
+					$getrow = $row;
+				}
+
+				return $this->result_rowset[$query_id][$getrow][$this->result_field_names[$query_id][$field]];
+
+			}
+			else
+			{
+				return false;
+			}
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_rowseek($offset, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$this->row_index[$query_id] = 0;
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_nextid($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			return $this->next_id[$query_id];
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_freeresult($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @odbc_free_result($query_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_error($query_id = 0)
+	{
+//		$result['code'] = @odbc_error($this->db_connect_id);
+//		$result['message'] = @odbc_errormsg($this->db_connect_id);
+
+		return "";
+	}
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/firebird.php b/src/SemanticScuttle/db/firebird.php
new file mode 100644
index 0000000..58a7d07
--- /dev/null
+++ b/src/SemanticScuttle/db/firebird.php
@@ -0,0 +1,527 @@
+<?php
+/** 
+*
+* @package dbal_firebird
+* @version $Id: firebird.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'firebird');
+
+/**
+* @package dbal_firebird
+* Firebird/Interbase Database Abstraction Layer
+* Minimum Requirement is Firebird 1.5+/Interbase 7.1+
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	var $last_query_text = '';
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->server = $sqlserver . (($port) ? ':' . $port : '');
+		$this->dbname = $database;
+
+		$this->db_connect_id = ($this->persistency) ? @ibase_pconnect($this->server . ':' . $this->dbname, $this->user, $sqlpassword, false, false, 3) : @ibase_connect($this->server . ':' . $this->dbname, $this->user, $sqlpassword, false, false, 3);
+
+		return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		if ($this->transaction)
+		{
+			@ibase_commit($this->db_connect_id);
+		}
+
+		if (sizeof($this->open_queries))
+		{
+			foreach ($this->open_queries as $i_query_id => $query_id)
+			{
+				@ibase_free_query($query_id);
+			}
+		}
+
+		return @ibase_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$this->transaction = true;
+				break;
+
+			case 'commit':
+				$result = @ibase_commit();
+				$this->transaction = false;
+
+				if (!$result)
+				{
+					@ibase_rollback();
+				}
+				break;
+
+			case 'rollback':
+				$result = @ibase_rollback();
+				$this->transaction = false;
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $cache_ttl = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			$this->last_query_text = $query;
+			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+
+			if (!$this->query_result)
+			{
+				$this->num_queries++;
+
+				if (($this->query_result = @ibase_query($this->db_connect_id, $query)) === false)
+				{
+					$this->sql_error($query);
+				}
+
+				// TODO: have to debug the commit states in firebird
+				if (!$this->transaction)
+				{
+					@ibase_commit_ret();
+				}
+
+				if ($cache_ttl && method_exists($cache, 'sql_save'))
+				{
+					$cache->sql_save($query, $this->query_result, $cache_ttl);
+				}
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) 
+	{ 
+		if ($query != '') 
+		{
+			$this->query_result = false; 
+
+			$query = 'SELECT FIRST ' . $total . ((!empty($offset)) ? ' SKIP ' . $offset : '') . substr($query, 6);
+
+			return $this->sql_query($query, $cache_ttl); 
+		} 
+		else 
+		{ 
+			return false; 
+		} 
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE' || $query == 'SELECT')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		return FALSE;
+	}
+
+	function sql_affectedrows()
+	{
+		// TODO: hmm, maybe doing something similar as in mssql-odbc.php?
+		return ($this->query_result) ? true : false;
+	}
+
+	function sql_fetchrow($query_id = false)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($cache->sql_rowset[$query_id]))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		$row = array();
+		$cur_row = @ibase_fetch_object($query_id, IBASE_TEXT);
+
+		if (!$cur_row)
+		{
+			return false;
+		}
+
+		foreach (get_object_vars($cur_row) as $key => $value)
+		{
+			$row[strtolower($key)] = trim(str_replace("\\0", "\0", str_replace("\\n", "\n", $value)));
+		}
+		return ($query_id) ? $row : false;
+	}
+
+	function sql_fetchrowset($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			unset($this->rowset[$query_id]);
+			unset($this->row[$query_id]);
+
+			$result = array();
+			while ($this->rowset[$query_id] = get_object_vars(@ibase_fetch_object($query_id, IBASE_TEXT)))
+			{
+				$result[] = $this->rowset[$query_id];
+			}
+
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($rownum > -1)
+			{
+				// erm... ok, my bad, we always use zero. :/
+				for ($i = 0; $i <= $rownum; $i++)
+				{
+					$row = $this->sql_fetchrow($query_id);
+				}
+
+				return $row[$field];
+			}
+			else
+			{
+				if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
+				{
+					if ($this->sql_fetchrow($query_id))
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+				else
+				{
+					if ($this->rowset[$query_id])
+					{
+						$result = $this->rowset[$query_id][$field];
+					}
+					else if ($this->row[$query_id])
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+			}
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	function sql_rowseek($rownum, $query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		for($i = 1; $i < $rownum; $i++)
+		{
+			if (!$this->sql_fetchrow($query_id))
+			{
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	function sql_nextid()
+	{
+		if ($this->query_result && preg_match('#^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)#is', $this->last_query_text, $tablename))
+		{
+			$query = "SELECT GEN_ID('" . $tablename[1] . "_gen', 0) AS new_id  
+				FROM RDB\$DATABASE";
+			if (!($temp_q_id =  @ibase_query($this->db_connect_id, $query)))
+			{
+				return false;
+			}
+
+			$temp_result = @ibase_fetch_object($temp_q_id);
+			$this->sql_freeresult($temp_q_id);
+
+			return ($temp_result) ? $temp_result->last_value : false;
+		}
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (!$this->transaction && $query_id)
+		{
+			@ibase_commit();
+		}
+
+		return ($query_id) ? @ibase_free_result($query_id) : false;
+	}
+
+	function sql_escape($msg)
+	{
+		return (@ini_get('magic_quotes_sybase') || strtolower(@ini_get('magic_quotes_sybase')) == 'on') ? str_replace('\\\'', '\'', addslashes($msg)) : str_replace('\'', '\'\'', stripslashes($msg));
+	}
+
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page =(!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' .((!empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : $_ENV['QUERY_STRING']);
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @ibase_errmsg() . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . $this_page .(($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result['message'] = @ibase_errmsg();
+		$result['code'] = '';
+
+		return $result;
+	}
+
+	function sql_report($mode, $query = '')
+	{
+		if (empty($_GET['explain']))
+		{
+			return;
+		}
+
+		global $cache, $starttime, $phpbb_root_path;
+		static $curtime, $query_hold, $html_hold;
+		static $sql_report = '';
+		static $cache_num_queries = 0;
+
+		if (!$query && !empty($query_hold))
+		{
+			$query = $query_hold;
+		}
+
+		switch ($mode)
+		{
+			case 'display':
+				if (!empty($cache))
+				{
+					$cache->unload();
+				}
+				$this->sql_close();
+
+				$mtime = explode(' ', microtime());
+				$totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+				echo '</style><title>' . $msg_title . '</title></head><body>';
+				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+				echo $sql_report;
+				echo '</td></tr></table><br /></body></html>';
+				exit;
+				break;
+
+			case 'start':
+				$query_hold = $query;
+				$html_hold = '';
+
+				$curtime = explode(' ', microtime());
+				$curtime = $curtime[0] + $curtime[1];
+				break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = @ibase_query($this->db_connect_id, $query);
+				while ($void = @ibase_fetch_object($result, IBASE_TEXT))
+				{
+					// Take the time spent on parsing rows into account
+				}
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$time_cache = $endtime - $curtime;
+				$time_db = $splittime - $endtime;
+				$color = ($time_db > $time_cache) ? 'green' : 'red';
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+				$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+				// Pad the start time to not interfere with page timing
+				$starttime += $time_db;
+
+				@ibase_freeresult($result);
+				$cache_num_queries++;
+				break;
+
+			case 'stop':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+				if ($this->query_result)
+				{
+					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+					{
+						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+					}
+					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+				}
+				else
+				{
+					$error = $this->sql_error();
+					$sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+				}
+
+				$sql_report .= '</p>';
+
+				$this->sql_time += $endtime - $curtime;
+				break;
+		}
+	}
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/index.htm b/src/SemanticScuttle/db/index.htm
new file mode 100644
index 0000000..ee1f723
--- /dev/null
+++ b/src/SemanticScuttle/db/index.htm
@@ -0,0 +1,10 @@
+<html>
+<head>
+<title></title>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+</head>
+
+<body bgcolor="#FFFFFF" text="#000000">
+
+</body>
+</html>
diff --git a/src/SemanticScuttle/db/mssql-odbc.php b/src/SemanticScuttle/db/mssql-odbc.php
new file mode 100644
index 0000000..a2d3d02
--- /dev/null
+++ b/src/SemanticScuttle/db/mssql-odbc.php
@@ -0,0 +1,576 @@
+<?php
+/** 
+*
+* @package dbal_odbc_mssql
+* @version $Id: mssql-odbc.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'mssql-odbc');
+
+/**
+* @package dbal_odbc_mssql
+* MSSQL ODBC Database Abstraction Layer for MSSQL
+* Minimum Requirement is Version 2000+
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	var $result_rowset = array();
+	var $field_names = array();
+	var $field_types = array();
+	var $num_rows = array();
+	var $current_row = array();
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->server = $sqlserver . (($port) ? ':' . $port : '');
+		$this->dbname = $database;
+
+		$this->db_connect_id = ($this->persistency) ? @odbc_pconnect($this->server, $this->user, $sqlpassword) : @odbc_connect($this->server, $this->user, $sqlpassword);
+
+		return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		if ($this->transaction)
+		{
+			@odbc_commit($this->db_connect_id);
+		}
+
+		if (sizeof($this->result_rowset))
+		{
+			unset($this->result_rowset);
+			unset($this->field_names);
+			unset($this->field_types);
+			unset($this->num_rows);
+			unset($this->current_row);
+		}
+
+		if (sizeof($this->open_queries))
+		{
+			foreach ($this->open_queries as $i_query_id => $query_id)
+			{
+				@odbc_free_result($query_id);
+			}
+		}
+
+		return @odbc_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$result = @odbc_autocommit($this->db_connect_id, false);
+				$this->transaction = true;
+				break;
+
+			case 'commit':
+				$result = @odbc_commit($this->db_connect_id);
+				@odbc_autocommit($this->db_connect_id, true);
+				$this->transaction = false;
+
+				if (!$result)
+				{
+					@odbc_rollback($this->db_connect_id);
+					@odbc_autocommit($this->db_connect_id, true);
+				}
+				break;
+
+			case 'rollback':
+				$result = @odbc_rollback($this->db_connect_id);
+				@odbc_autocommit($this->db_connect_id, true);
+				$this->transaction = false;
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $cache_ttl = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			// EXPLAIN only in extra debug mode
+			if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('start', $query);
+			}
+
+			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+
+			if (!$this->query_result)
+			{
+				$this->num_queries++;
+
+				if (($this->query_result = $this->_odbc_execute_query($query)) === false)
+				{
+					$this->sql_error($query);
+				}
+
+				if (defined('DEBUG_EXTRA'))
+				{
+					$this->sql_report('stop', $query);
+				}
+
+				if ($cache_ttl && method_exists($cache, 'sql_save'))
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+					$cache->sql_save($query, $this->query_result, $cache_ttl);
+					// odbc_free_result called within sql_save()
+				}
+				else if (strpos($query, 'SELECT') !== false && $this->query_result)
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+				}
+			}
+			else if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('fromcache', $query);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function _odbc_execute_query($query)
+	{
+		$result = false;
+		
+		if (eregi("^SELECT ", $query))
+		{
+			$result = @odbc_exec($this->db_connect_id, $query); 
+
+			if ($result)
+			{
+				if (empty($this->field_names[$result]))
+				{
+					for ($i = 1, $j = @odbc_num_fields($result) + 1; $i < $j; $i++)
+					{
+						$this->field_names[$result][] = @odbc_field_name($result, $i);
+						$this->field_types[$result][] = @odbc_field_type($result, $i);
+					}
+				}
+
+				$this->current_row[$result] = 0;
+				$this->result_rowset[$result] = array();
+
+				$row_outer = (isset($row_offset)) ? $row_offset + 1 : 1;
+				$row_outer_max = (isset($num_rows)) ? $row_offset + $num_rows + 1 : 1E9;
+				$row_inner = 0;
+
+				while (@odbc_fetch_row($result, $row_outer) && $row_outer < $row_outer_max)
+				{
+					for ($i = 0, $j = sizeof($this->field_names[$result]); $i < $j; $i++)
+					{
+						$this->result_rowset[$result][$row_inner][$this->field_names[$result][$i]] = stripslashes(@odbc_result($result, $i + 1));
+					}
+
+					$row_outer++;
+					$row_inner++;
+				}
+
+				$this->num_rows[$result] = sizeof($this->result_rowset[$result]);	
+			}
+		}
+		else if (eregi("^INSERT ", $query))
+		{
+			$result = @odbc_exec($this->db_connect_id, $query);
+
+			if ($result)
+			{
+				$result_id = @odbc_exec($this->db_connect_id, 'SELECT @@IDENTITY');
+				if ($result_id)
+				{
+					if (@odbc_fetch_row($result_id))
+					{
+						$this->next_id[$this->db_connect_id] = @odbc_result($result_id, 1);	
+						$this->affected_rows[$this->db_connect_id] = @odbc_num_rows($result);
+					}
+				}
+			}
+		}
+		else
+		{
+			$result = @odbc_exec($this->db_connect_id, $query);
+
+			if ($result)
+			{
+				$this->affected_rows[$this->db_connect_id] = @odbc_num_rows($result);
+			}
+		}
+
+		return $result;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) 
+	{ 
+		if ($query != '') 
+		{
+			$this->query_result = false; 
+
+			// if $total is set to 0 we do not want to limit the number of rows
+			if ($total == 0)
+			{
+				$total = -1;
+			}
+
+			$row_offset = ($total) ? $offset : '';
+			$num_rows = ($total) ? $total : $offset;
+
+			$query = 'SELECT TOP ' . ($row_offset + $num_rows) . ' ' . substr($query, 6);
+
+			return $this->sql_query($query, $cache_ttl); 
+		} 
+		else 
+		{ 
+			return false; 
+		} 
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE' || $query == 'SELECT')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @$this->num_rows($query_id) : false;
+	}
+
+	function sql_affectedrows()
+	{
+		return ($this->affected_rows[$this->db_connect_id]) ? $this->affected_rows[$this->db_connect_id] : false;
+	}
+
+	function sql_fetchrow($query_id = false)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($cache->sql_rowset[$query_id]))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		return ($this->num_rows[$query_id] && $this->current_row[$query_id] < $this->num_rows[$query_id]) ? $this->result_rowset[$query_id][$this->current_row[$query_id]++] : false;
+	}
+
+	function sql_fetchrowset($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($this->num_rows[$query_id]) ? $this->result_rowset[$query_id] : false;
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($rownum < $this->num_rows[$query_id])
+			{
+				$getrow = ($rownum == -1) ? $this->current_row[$query_id] - 1 : $rownum;
+
+				return $this->result_rowset[$query_id][$getrow][$this->field_names[$query_id][$field]];
+			}
+		}
+
+		return false;
+	}
+
+	function sql_rowseek($rownum, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($this->current_row[$query_id]))
+		{
+			$this->current_row[$query_id] = $rownum;
+			return true;
+		}
+
+		return false;
+	}
+
+	function sql_nextid()
+	{
+		return ($this->next_id[$this->db_connect_id]) ? $this->next_id[$this->db_connect_id] : false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($this->open_queries[(int) $query_id]))
+		{
+			unset($this->open_queries[(int) $query_id]);
+			unset($this->num_rows[$query_id]);
+			unset($this->current_row[$query_id]);
+			unset($this->result_rowset[$query_id]);
+			unset($this->field_names[$query_id]);
+			unset($this->field_types[$query_id]);
+
+			return @odbc_free_result($query_id);
+		}
+
+		return false;
+	}
+
+	function sql_escape($msg)
+	{
+		return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
+	}
+
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @odbc_errormsg() . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @odbc_errormsg(),
+			'code'		=> @odbc_error()
+		);
+
+		return $result;
+	}
+
+	function sql_report($mode, $query = '')
+	{
+		if (empty($_GET['explain']))
+		{
+			return;
+		}
+
+		global $cache, $starttime, $phpbb_root_path;
+		static $curtime, $query_hold, $html_hold;
+		static $sql_report = '';
+		static $cache_num_queries = 0;
+
+		if (!$query && !empty($query_hold))
+		{
+			$query = $query_hold;
+		}
+
+		switch ($mode)
+		{
+			case 'display':
+				if (!empty($cache))
+				{
+					$cache->unload();
+				}
+				$this->sql_close();
+
+				$mtime = explode(' ', microtime());
+				$totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+				echo '</style><title>' . $msg_title . '</title></head><body>';
+				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+				echo $sql_report;
+				echo '</td></tr></table><br /></body></html>';
+				exit;
+				break;
+
+			case 'start':
+				$query_hold = $query;
+				$html_hold = '';
+
+				$curtime = explode(' ', microtime());
+				$curtime = $curtime[0] + $curtime[1];
+				break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = $this->_odbc_execute_query($query);
+
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$time_cache = $endtime - $curtime;
+				$time_db = $splittime - $endtime;
+				$color = ($time_db > $time_cache) ? 'green' : 'red';
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+				$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+				// Pad the start time to not interfere with page timing
+				$starttime += $time_db;
+
+				@odbc_free_result($result);
+				$cache_num_queries++;
+				break;
+
+			case 'stop':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+				if ($this->query_result)
+				{
+					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+					{
+						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+					}
+					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+				}
+				else
+				{
+					$error = $this->sql_error();
+					$sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+				}
+
+				$sql_report .= '</p>';
+
+				$this->sql_time += $endtime - $curtime;
+				break;
+		}
+	}
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/mssql.php b/src/SemanticScuttle/db/mssql.php
new file mode 100644
index 0000000..2b17b9e
--- /dev/null
+++ b/src/SemanticScuttle/db/mssql.php
@@ -0,0 +1,551 @@
+<?php
+/** 
+*
+* @package dbal_mssql
+* @version $Id: mssql.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'mssql');
+
+/**
+* @package dbal_mssql
+* MSSQL Database Abstraction Layer
+* Minimum Requirement is MSSQL 2000+
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->server = $sqlserver . (($port) ? ':' . $port : '');
+		$this->dbname = $database;
+
+		$this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword) : @mssql_connect($this->server, $this->user, $sqlpassword);
+
+		if ($this->db_connect_id && $this->dbname != '')
+		{
+			if (!@mssql_select_db($this->dbname, $this->db_connect_id))
+			{
+				@mssql_close($this->db_connect_id);
+				return false;
+			}
+		}
+
+		return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
+	}
+
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		if ($this->transaction)
+		{
+			@mssql_query('COMMIT', $this->db_connect_id);
+		}
+
+		if (sizeof($this->open_queries))
+		{
+			foreach ($this->open_queries as $i_query_id => $query_id)
+			{
+				@mssql_free_result($query_id);
+			}
+		}
+
+		return @mssql_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$result = @mssql_query('BEGIN TRANSACTION', $this->db_connect_id);
+				$this->transaction = true;
+				break;
+
+			case 'commit':
+				$result = @mssql_query('commit', $this->db_connect_id);
+				$this->transaction = false;
+
+				if (!$result)
+				{
+					@mssql_query('ROLLBACK', $this->db_connect_id);
+				}
+				break;
+
+			case 'rollback':
+				$result = @mssql_query('ROLLBACK', $this->db_connect_id);
+				$this->transaction = false;
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $cache_ttl = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			// EXPLAIN only in extra debug mode
+			if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('start', $query);
+			}
+
+			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+
+			if (!$this->query_result)
+			{
+				$this->num_queries++;
+				
+				if (($this->query_result = @mssql_query($query, $this->db_connect_id)) === false)
+				{
+					$this->sql_error($query);
+				}
+
+				if (defined('DEBUG_EXTRA'))
+				{
+					$this->sql_report('stop', $query);
+				}
+
+				if ($cache_ttl && method_exists($cache, 'sql_save'))
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+					$cache->sql_save($query, $this->query_result, $cache_ttl);
+					// sql_freeresult called within sql_save()
+				}
+				else if (strpos($query, 'SELECT') !== false && $this->query_result)
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+				}
+			}
+			else if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('fromcache', $query);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) 
+	{ 
+		if ($query != '') 
+		{
+			$this->query_result = false; 
+
+			// if $total is set to 0 we do not want to limit the number of rows
+			if ($total == 0)
+			{
+				$total = -1;
+			}
+
+			$row_offset = ($total) ? $offset : '';
+			$num_rows = ($total) ? $total : $offset;
+
+			$query = 'SELECT TOP ' . ($row_offset + $num_rows) . ' ' . substr($query, 6);
+
+			return $this->sql_query($query, $cache_ttl); 
+		} 
+		else 
+		{ 
+			return false; 
+		} 
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE' || $query == 'SELECT')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+//		return (isset($this->limit_offset[$query_id])) ? @mssql_num_rows($query_id) - $this->limit_offset[$query_id] : @mssql_num_rows($query_id);
+		return ($query_id) ? @mssql_num_rows($query_id) : false;
+	}
+
+	function sql_affectedrows()
+	{
+		return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false;
+	}
+
+	function sql_fetchrow($query_id = false)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($cache->sql_rowset[$query_id]))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		$row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
+		
+		if ($row)
+		{
+			foreach ($row as $key => $value)
+			{
+				$row[$key] = ($value === ' ') ? trim($value) : $value;
+			}
+		}
+
+		return $row;
+	}
+
+	function sql_fetchrowset($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			unset($this->rowset[$query_id]);
+			unset($this->row[$query_id]);
+
+			$result = array();
+			while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))
+			{
+				$result[] = $this->rowset[$query_id];
+			}
+			return $result;
+		}
+
+		return false;
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($rownum > -1)
+			{
+//				(!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
+				@mssql_data_seek($query_id, $rownum);
+				$row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
+				$result = isset($row[$field]) ? $row[$field] : false;
+			}
+			else
+			{
+				if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
+				{
+					if ($this->sql_fetchrow($query_id))
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+				else
+				{
+					if ($this->rowset[$query_id])
+					{
+						$result = $this->rowset[$query_id][$field];
+					}
+					elseif ($this->row[$query_id])
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+			}
+
+			return $result;
+		}
+
+		return false;
+	}
+
+	function sql_rowseek($rownum, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($this->current_row[$query_id]))
+		{
+//			(!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
+			@mssql_data_seek($query_id, $rownum);
+			return true;
+		}
+
+		return false;
+	}
+
+	function sql_nextid()
+	{
+		$result_id = @mssql_query('SELECT @@IDENTITY', $this->db_connect_id);
+		if ($result_id)
+		{
+			if (@mssql_fetch_array($result_id, MSSQL_ASSOC))
+			{
+				return @mssql_result($result_id, 1);	
+			}
+		}
+
+		return false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($this->open_queries[$query_id]))
+		{
+			unset($this->open_queries[$query_id]);
+			unset($this->result_rowset[$query_id]);
+
+			return @mssql_free_result($query_id);
+		}
+
+		return false;
+	}
+
+	function sql_escape($msg)
+	{
+		return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
+	}
+
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mssql_get_last_message() . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @mssql_get_last_message($this->db_connect_id),
+			'code'		=> ''
+		);
+
+		return $result;
+	}
+
+	function sql_report($mode, $query = '')
+	{
+		if (empty($_GET['explain']))
+		{
+			return;
+		}
+
+		global $cache, $starttime, $phpbb_root_path;
+		static $curtime, $query_hold, $html_hold;
+		static $sql_report = '';
+		static $cache_num_queries = 0;
+
+		if (!$query && !empty($query_hold))
+		{
+			$query = $query_hold;
+		}
+
+		switch ($mode)
+		{
+			case 'display':
+				if (!empty($cache))
+				{
+					$cache->unload();
+				}
+				$this->sql_close();
+
+				$mtime = explode(' ', microtime());
+				$totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+				echo '</style><title>' . $msg_title . '</title></head><body>';
+				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+				echo $sql_report;
+				echo '</td></tr></table><br /></body></html>';
+				exit;
+				break;
+
+			case 'start':
+				$query_hold = $query;
+				$html_hold = '';
+
+				$curtime = explode(' ', microtime());
+				$curtime = $curtime[0] + $curtime[1];
+				break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = @mssql_query($query, $this->db_connect_id);
+				while ($void = @mssql_fetch_array($result, MSSQL_ASSOC))
+				{
+					// Take the time spent on parsing rows into account
+				}
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$time_cache = $endtime - $curtime;
+				$time_db = $splittime - $endtime;
+				$color = ($time_db > $time_cache) ? 'green' : 'red';
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+				$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+				// Pad the start time to not interfere with page timing
+				$starttime += $time_db;
+
+				@mssql_free_result($result);
+				$cache_num_queries++;
+				break;
+
+			case 'stop':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+				if ($this->query_result)
+				{
+					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+					{
+						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+					}
+					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+				}
+				else
+				{
+					$error = $this->sql_error();
+					$sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+				}
+
+				$sql_report .= '</p>';
+
+				$this->sql_time += $endtime - $curtime;
+				break;
+		}
+	}
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/mysql.php b/src/SemanticScuttle/db/mysql.php
new file mode 100644
index 0000000..a646e0d
--- /dev/null
+++ b/src/SemanticScuttle/db/mysql.php
@@ -0,0 +1,552 @@
+<?php
+/** 
+*
+* @package dbal_mysql
+* @version $Id: mysql.php,v 1.5 2006/02/10 01:30:19 scronide Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'mysql');
+
+/**
+* @package dbal_mysql
+* MySQL Database Abstraction Layer
+* Minimum Requirement is 3.23+/4.0+/4.1+
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->server = $sqlserver . (($port) ? ':' . $port : '');
+		$this->dbname = $database;
+
+		$this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $sqlpassword) : @mysql_connect($this->server, $this->user, $sqlpassword);
+
+		if ($this->db_connect_id && $this->dbname != '')
+		{
+			if (@mysql_select_db($this->dbname))
+			{
+				return $this->db_connect_id;
+			}
+		}
+
+		return $this->sql_error('');
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		if (sizeof($this->open_queries))
+		{
+			foreach ($this->open_queries as $i_query_id => $query_id)
+			{
+				@mysql_free_result($query_id);
+			}
+		}
+
+		return @mysql_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$result = @mysql_query('BEGIN', $this->db_connect_id);
+				$this->transaction = true;
+				break;
+
+			case 'commit':
+				$result = @mysql_query('COMMIT', $this->db_connect_id);
+				$this->transaction = false;
+				
+				if (!$result)
+				{
+					@mysql_query('ROLLBACK', $this->db_connect_id);
+				}
+				break;
+
+			case 'rollback':
+				$result = @mysql_query('ROLLBACK', $this->db_connect_id);
+				$this->transaction = false;
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $cache_ttl = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			// EXPLAIN only in extra debug mode
+			if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('start', $query);
+			}
+
+			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+
+			if (!$this->query_result)
+			{
+				$this->num_queries++;
+
+				if (($this->query_result = @mysql_query($query, $this->db_connect_id)) === false)
+				{
+					$this->sql_error($query);
+				}
+
+				if (defined('DEBUG_EXTRA'))
+				{
+					$this->sql_report('stop', $query);
+				}
+
+				if ($cache_ttl && method_exists($cache, 'sql_save'))
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+					$cache->sql_save($query, $this->query_result, $cache_ttl);
+					// mysql_free_result called within sql_save()
+				}
+				else if (strpos($query, 'SELECT') !== false && $this->query_result)
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+				}
+			}
+			else if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('fromcache', $query);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { 
+		if ($query != '') {
+            $this->query_result = false; 
+
+			// only limit the number of rows if $total is greater than 0
+			if ($total > 0)
+    			$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
+
+			return $this->sql_query($query, $cache_ttl); 
+		} else { 
+            return false; 
+		} 
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE' || $query == 'SELECT')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @mysql_num_rows($query_id) : false;
+	}
+
+	function sql_affectedrows()
+	{
+		return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;
+	}
+
+	function sql_fetchrow($query_id = false)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($cache->sql_rowset[$query_id]))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		return ($query_id) ? @mysql_fetch_assoc($query_id) : false;
+	}
+
+	function sql_fetchrowset($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			unset($this->rowset[$query_id]);
+			unset($this->row[$query_id]);
+
+			$result = array();
+			while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))
+			{
+				$result[] = $this->rowset[$query_id];
+			}
+			return $result;
+		}
+		
+		return false;
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($rownum > -1)
+			{
+				$result = @mysql_result($query_id, $rownum, $field);
+			}
+			else
+			{
+				if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
+				{
+					if ($this->sql_fetchrow($query_id))
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+				else
+				{
+					if ($this->rowset[$query_id])
+					{
+						$result = $this->rowset[$query_id][$field];
+					}
+					elseif ($this->row[$query_id])
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+			}
+			return $result;
+		}
+		return false;
+	}
+
+	function sql_rowseek($rownum, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @mysql_data_seek($query_id, $rownum) : false;
+	}
+
+	function sql_nextid()
+	{
+		return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($this->open_queries[(int) $query_id]))
+		{
+			unset($this->open_queries[(int) $query_id]);
+			return @mysql_free_result($query_id);
+		}
+
+		return false;
+	}
+
+	function sql_escape($msg) {
+		if (function_exists('mysql_real_escape_string')) {
+			return @mysql_real_escape_string($msg, $this->db_connect_id);
+		} else {
+			return mysql_escape_string($msg);
+		}		
+	}
+	
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysql_error() . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @mysql_error(),
+			'code'		=> @mysql_errno()
+		);
+
+		return $result;
+	}
+
+	function sql_report($mode, $query = '')
+	{
+		if (empty($_GET['explain']))
+		{
+			return;
+		}
+
+		global $db, $cache, $starttime, $phpbb_root_path;
+		static $curtime, $query_hold, $html_hold;
+		static $sql_report = '';
+		static $cache_num_queries = 0;
+
+		if (!$query && !empty($query_hold))
+		{
+			$query = $query_hold;
+		}
+
+		switch ($mode)
+		{
+			case 'display':
+				if (!empty($cache))
+				{
+					$cache->unload();
+				}
+				$db->sql_close();
+
+				$mtime = explode(' ', microtime());
+				$totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+				echo '</style><title>' . $msg_title . '</title></head><body>';
+				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+				echo $sql_report;
+				echo '</td></tr></table><br /></body></html>';
+				exit;
+				break;
+
+			case 'start':
+				$query_hold = $query;
+				$html_hold = '';
+
+				$explain_query = $query;
+				if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+				{
+					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+				}
+				elseif (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+				{
+					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+				}
+
+				if (preg_match('/^SELECT/', $explain_query))
+				{
+					$html_table = FALSE;
+
+					if ($result = mysql_query("EXPLAIN $explain_query", $this->db_connect_id))
+					{
+						while ($row = mysql_fetch_assoc($result))
+						{
+							if (!$html_table && sizeof($row))
+							{
+								$html_table = TRUE;
+								$html_hold .= '<table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0" align="center"><tr>';
+								
+								foreach (array_keys($row) as $val)
+								{
+									$html_hold .= '<th nowrap="nowrap">' . (($val) ? ucwords(str_replace('_', ' ', $val)) : '&nbsp;') . '</th>';
+								}
+								$html_hold .= '</tr>';
+							}
+							$html_hold .= '<tr>';
+
+							$class = 'row1';
+							foreach (array_values($row) as $val)
+							{
+								$class = ($class == 'row1') ? 'row2' : 'row1';
+								$html_hold .= '<td class="' . $class . '">' . (($val) ? $val : '&nbsp;') . '</td>';
+							}
+							$html_hold .= '</tr>';
+						}
+					}
+
+					if ($html_table)
+					{
+						$html_hold .= '</table>';
+					}
+				}
+
+				$curtime = explode(' ', microtime());
+				$curtime = $curtime[0] + $curtime[1];
+				break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = mysql_query($query, $this->db_connect_id);
+				while ($void = mysql_fetch_assoc($result))
+				{
+					// Take the time spent on parsing rows into account
+				}
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$time_cache = $endtime - $curtime;
+				$time_db = $splittime - $endtime;
+				$color = ($time_db > $time_cache) ? 'green' : 'red';
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+				$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+				// Pad the start time to not interfere with page timing
+				$starttime += $time_db;
+
+				mysql_free_result($result);
+				$cache_num_queries++;
+				break;
+
+			case 'stop':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+				if ($this->query_result)
+				{
+					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+					{
+						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+					}
+					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+				}
+				else
+				{
+					$error = $this->sql_error();
+					$sql_report .= '<b style="color: red">FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+				}
+
+				$sql_report .= '</p>';
+
+				$this->sql_time += $endtime - $curtime;
+				break;
+		}
+	}
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/mysql4.php b/src/SemanticScuttle/db/mysql4.php
new file mode 100644
index 0000000..0639518
--- /dev/null
+++ b/src/SemanticScuttle/db/mysql4.php
@@ -0,0 +1,552 @@
+<?php
+/** 
+*
+* @package dbal_mysql4
+* @version $Id: mysql4.php,v 1.4 2006/02/10 01:30:19 scronide Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'mysql4');
+
+/**
+* @package dbal_mysql4
+* MySQL4 Database Abstraction Layer
+* Minimum Requirement is 4.0+/4.1+
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->server = $sqlserver . (($port) ? ':' . $port : '');
+		$this->dbname = $database;
+
+		$this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $sqlpassword) : @mysql_connect($this->server, $this->user, $sqlpassword);
+
+		if ($this->db_connect_id && $this->dbname != '')
+		{
+			if (@mysql_select_db($this->dbname))
+			{
+				return $this->db_connect_id;
+			}
+		}
+
+		return $this->sql_error('');
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		if (sizeof($this->open_queries))
+		{
+			foreach ($this->open_queries as $i_query_id => $query_id)
+			{
+				@mysql_free_result($query_id);
+			}
+		}
+
+		return @mysql_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$result = @mysql_query('BEGIN', $this->db_connect_id);
+				$this->transaction = true;
+				break;
+
+			case 'commit':
+				$result = @mysql_query('COMMIT', $this->db_connect_id);
+				$this->transaction = false;
+				
+				if (!$result)
+				{
+					@mysql_query('ROLLBACK', $this->db_connect_id);
+				}
+				break;
+
+			case 'rollback':
+				$result = @mysql_query('ROLLBACK', $this->db_connect_id);
+				$this->transaction = false;
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $cache_ttl = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			// EXPLAIN only in extra debug mode
+			if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('start', $query);
+			}
+
+			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+
+			if (!$this->query_result)
+			{
+				$this->num_queries++;
+
+				if (($this->query_result = @mysql_query($query, $this->db_connect_id)) === false)
+				{
+					$this->sql_error($query);
+				}
+
+				if (defined('DEBUG_EXTRA'))
+				{
+					$this->sql_report('stop', $query);
+				}
+
+				if ($cache_ttl && method_exists($cache, 'sql_save'))
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+					$cache->sql_save($query, $this->query_result, $cache_ttl);
+					// mysql_free_result called within sql_save()
+				}
+				else if (strpos($query, 'SELECT') !== false && $this->query_result)
+				{
+					$this->open_queries[(int) $this->query_result] = $this->query_result;
+				}
+			}
+			else if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('fromcache', $query);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { 
+		if ($query != '') {
+            $this->query_result = false; 
+
+			// only limit the number of rows if $total is greater than 0
+			if ($total > 0)
+    			$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
+
+			return $this->sql_query($query, $cache_ttl); 
+		} else { 
+            return false; 
+		} 
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE' || $query == 'SELECT')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @mysql_num_rows($query_id) : false;
+	}
+
+	function sql_affectedrows()
+	{
+		return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;
+	}
+
+	function sql_fetchrow($query_id = false)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($cache->sql_rowset[$query_id]))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		return ($query_id) ? @mysql_fetch_assoc($query_id) : false;
+	}
+
+	function sql_fetchrowset($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			unset($this->rowset[$query_id]);
+			unset($this->row[$query_id]);
+
+			$result = array();
+			while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))
+			{
+				$result[] = $this->rowset[$query_id];
+			}
+			return $result;
+		}
+		
+		return false;
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($rownum > -1)
+			{
+				$result = @mysql_result($query_id, $rownum, $field);
+			}
+			else
+			{
+				if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
+				{
+					if ($this->sql_fetchrow($query_id))
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+				else
+				{
+					if ($this->rowset[$query_id])
+					{
+						$result = $this->rowset[$query_id][$field];
+					}
+					elseif ($this->row[$query_id])
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+			}
+			return $result;
+		}
+		return false;
+	}
+
+	function sql_rowseek($rownum, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @mysql_data_seek($query_id, $rownum) : false;
+	}
+
+	function sql_nextid()
+	{
+		return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (isset($this->open_queries[(int) $query_id]))
+		{
+			unset($this->open_queries[(int) $query_id]);
+			return @mysql_free_result($query_id);
+		}
+
+		return false;
+	}
+
+	function sql_escape($msg) {
+		if (function_exists('mysql_real_escape_string')) {
+			return @mysql_real_escape_string($msg, $this->db_connect_id);
+		} else {
+			return mysql_escape_string($msg);
+		}		
+	}
+	
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysql_error() . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @mysql_error(),
+			'code'		=> @mysql_errno()
+		);
+
+		return $result;
+	}
+
+	function sql_report($mode, $query = '')
+	{
+		if (empty($_GET['explain']))
+		{
+			return;
+		}
+
+		global $db, $cache, $starttime, $phpbb_root_path;
+		static $curtime, $query_hold, $html_hold;
+		static $sql_report = '';
+		static $cache_num_queries = 0;
+
+		if (!$query && !empty($query_hold))
+		{
+			$query = $query_hold;
+		}
+
+		switch ($mode)
+		{
+			case 'display':
+				if (!empty($cache))
+				{
+					$cache->unload();
+				}
+				$db->sql_close();
+
+				$mtime = explode(' ', microtime());
+				$totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+				echo '</style><title>' . $msg_title . '</title></head><body>';
+				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+				echo $sql_report;
+				echo '</td></tr></table><br /></body></html>';
+				exit;
+				break;
+
+			case 'start':
+				$query_hold = $query;
+				$html_hold = '';
+
+				$explain_query = $query;
+				if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+				{
+					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+				}
+				elseif (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+				{
+					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+				}
+
+				if (preg_match('/^SELECT/', $explain_query))
+				{
+					$html_table = FALSE;
+
+					if ($result = mysql_query("EXPLAIN $explain_query", $this->db_connect_id))
+					{
+						while ($row = mysql_fetch_assoc($result))
+						{
+							if (!$html_table && sizeof($row))
+							{
+								$html_table = TRUE;
+								$html_hold .= '<table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0" align="center"><tr>';
+								
+								foreach (array_keys($row) as $val)
+								{
+									$html_hold .= '<th nowrap="nowrap">' . (($val) ? ucwords(str_replace('_', ' ', $val)) : '&nbsp;') . '</th>';
+								}
+								$html_hold .= '</tr>';
+							}
+							$html_hold .= '<tr>';
+
+							$class = 'row1';
+							foreach (array_values($row) as $val)
+							{
+								$class = ($class == 'row1') ? 'row2' : 'row1';
+								$html_hold .= '<td class="' . $class . '">' . (($val) ? $val : '&nbsp;') . '</td>';
+							}
+							$html_hold .= '</tr>';
+						}
+					}
+
+					if ($html_table)
+					{
+						$html_hold .= '</table>';
+					}
+				}
+
+				$curtime = explode(' ', microtime());
+				$curtime = $curtime[0] + $curtime[1];
+				break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = mysql_query($query, $this->db_connect_id);
+				while ($void = mysql_fetch_assoc($result))
+				{
+					// Take the time spent on parsing rows into account
+				}
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$time_cache = $endtime - $curtime;
+				$time_db = $splittime - $endtime;
+				$color = ($time_db > $time_cache) ? 'green' : 'red';
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+				$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+				// Pad the start time to not interfere with page timing
+				$starttime += $time_db;
+
+				mysql_free_result($result);
+				$cache_num_queries++;
+				break;
+
+			case 'stop':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+				if ($this->query_result)
+				{
+					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+					{
+						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+					}
+					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+				}
+				else
+				{
+					$error = $this->sql_error();
+					$sql_report .= '<b style="color: red">FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+				}
+
+				$sql_report .= '</p>';
+
+				$this->sql_time += $endtime - $curtime;
+				break;
+		}
+	}
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/mysqli.php b/src/SemanticScuttle/db/mysqli.php
new file mode 100644
index 0000000..27814a7
--- /dev/null
+++ b/src/SemanticScuttle/db/mysqli.php
@@ -0,0 +1,562 @@
+<?php
+/** 
+*
+* @package dbal_mysqli
+* @version $Id: mysqli.php,v 1.4 2006/02/10 01:30:19 scronide Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'mysqli');
+
+/**
+* @package dbal_mysqli
+* MySQLi Database Abstraction Layer
+* Minimum Requirement is MySQL 4.1+ and the mysqli-extension
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	var $indexed = 0;
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->server = $sqlserver . (($port) ? ':' . $port : '');
+		$this->dbname = $database;
+
+		$this->db_connect_id = ($this->persistency) ? @mysqli_pconnect($this->server, $this->user, $sqlpassword) : @mysqli_connect($this->server, $this->user, $sqlpassword);
+
+		if ($this->db_connect_id && $this->dbname != '')
+		{
+			if (@mysqli_select_db($this->db_connect_id, $this->dbname))
+			{
+				return $this->db_connect_id;
+			}
+		}
+
+		return $this->sql_error('');
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		if ($this->transaction)
+		{
+			@mysqli_commit($this->db_connect_id);
+		}
+
+		return @mysqli_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$result = @mysqli_autocommit($this->db_connect_id, false);
+				$this->transaction = true;
+				break;
+
+			case 'commit':
+				$result = @mysqli_commit($this->db_connect_id);
+				@mysqli_autocommit($this->db_connect_id, true);
+				$this->transaction = false;
+
+				if (!$result)
+				{
+					@mysqli_rollback($this->db_connect_id);
+					@mysqli_autocommit($this->db_connect_id, true);
+				}
+				break;
+
+			case 'rollback':
+				$result = @mysqli_rollback($this->db_connect_id);
+				@mysqli_autocommit($this->db_connect_id, true);
+				$this->transaction = false;
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $cache_ttl = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			// EXPLAIN only in extra debug mode
+			if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('start', $query);
+			}
+
+			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+			
+			if (!$this->query_result)
+			{
+				$this->num_queries++;
+
+				if (($this->query_result = @mysqli_query($this->db_connect_id, $query)) === false)
+				{
+					$this->sql_error($query);
+				}
+
+				if (is_object($this->query_result))
+				{
+					$this->query_result->cur_index = $this->indexed++;
+				}
+
+				if (defined('DEBUG_EXTRA'))
+				{
+					$this->sql_report('stop', $query);
+				}
+
+				if ($cache_ttl && method_exists($cache, 'sql_save'))
+				{
+					$cache->sql_save($query, $this->query_result, $cache_ttl);
+				}
+			}
+			else if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('fromcache', $query);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { 
+		if ($query != '') {
+            $this->query_result = false; 
+
+			// only limit the number of rows if $total is greater than 0
+			if ($total > 0)
+    			$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
+
+			return $this->sql_query($query, $cache_ttl); 
+		} else { 
+            return false; 
+		} 
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE' || $query == 'SELECT')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @mysqli_num_rows($query_id) : false;
+	}
+
+	function sql_affectedrows()
+	{
+		return ($this->db_connect_id) ? @mysqli_affected_rows($this->db_connect_id) : false;
+	}
+
+	function sql_fetchrow($query_id = false)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (!is_object($query_id) && isset($cache->sql_rowset[$query_id]))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		return ($query_id) ? @mysqli_fetch_assoc($query_id) : false;
+	}
+
+	function sql_fetchrowset($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			$cur_index = (is_object($query_id)) ? $query_id->cur_index : $query_id;
+
+			unset($this->rowset[$cur_index]);
+			unset($this->row[$cur_index]);
+			
+			$result = array();
+			while ($this->rowset[$cur_index] = $this->sql_fetchrow($query_id))
+			{
+				$result[] = $this->rowset[$cur_index];
+			}
+			return $result;
+		}
+
+		return false;
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($rownum > -1)
+			{
+				@mysqli_data_seek($query_id, $rownum);
+				$row = @mysqli_fetch_assoc($query_id);
+				$result = isset($row[$field]) ? $row[$field] : false;
+			}
+			else
+			{
+				$cur_index = (is_object($query_id)) ? $query_id->cur_index : $query_id;
+	
+				if (empty($this->row[$cur_index]) && empty($this->rowset[$cur_index]))
+				{
+					if ($this->row[$cur_index] = $this->sql_fetchrow($query_id))
+					{
+						$result = $this->row[$cur_index][$field];
+					}
+				}
+				else
+				{
+					if ($this->rowset[$cur_index])
+					{
+						$result = $this->rowset[$cur_index][$field];
+					}
+					elseif ($this->row[$cur_index])
+					{
+						$result = $this->row[$cur_index][$field];
+					}
+				}
+			}
+			return $result;
+		}
+		return false;
+	}
+
+	function sql_rowseek($rownum, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @mysqli_data_seek($query_id, $rownum) : false;
+	}
+
+	function sql_nextid()
+	{
+		return ($this->db_connect_id) ? @mysqli_insert_id($this->db_connect_id) : false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		$cur_index = (is_object($query_id)) ? $query_id->cur_index : $query_id;
+
+		unset($this->rowset[$cur_index]);
+		unset($this->row[$cur_index]);
+
+		if (is_object($query_id))
+		{
+			$this->indexed--;
+			return @mysqli_free_result($query_id);
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	function sql_escape($msg) {
+		return mysqli_real_escape_string($this->db_connect_id, $msg);
+	}
+	
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysqli_error($this->db_connect_id) . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @mysqli_error($this->db_connect_id),
+			'code'		=> @mysqli_errno($this->db_connect_id)
+		);
+
+		return $result;
+	}
+
+	function sql_report($mode, $query = '')
+	{
+		if (empty($_GET['explain']))
+		{
+			return;
+		}
+
+		global $db, $cache, $starttime, $phpbb_root_path;
+		static $curtime, $query_hold, $html_hold;
+		static $sql_report = '';
+		static $cache_num_queries = 0;
+
+		if (!$query && !empty($query_hold))
+		{
+			$query = $query_hold;
+		}
+
+		switch ($mode)
+		{
+			case 'display':
+				if (!empty($cache))
+				{
+					$cache->unload();
+				}
+				$db->sql_close();
+
+				$mtime = explode(' ', microtime());
+				$totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+				echo '</style><title>' . $msg_title . '</title></head><body>';
+				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+				echo $sql_report;
+				echo '</td></tr></table><br /></body></html>';
+				exit;
+				break;
+
+			case 'start':
+				$query_hold = $query;
+				$html_hold = '';
+
+				$explain_query = $query;
+				if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+				{
+					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+				}
+				elseif (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
+				{
+					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
+				}
+
+				if (preg_match('/^SELECT/', $explain_query))
+				{
+					$html_table = FALSE;
+
+					if ($result = @mysqli_query($this->db_connect_id, "EXPLAIN $explain_query"))
+					{
+						while ($row = @mysqli_fetch_assoc($result))
+						{
+							if (!$html_table && sizeof($row))
+							{
+								$html_table = TRUE;
+								$html_hold .= '<table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0" align="center"><tr>';
+								
+								foreach (array_keys($row) as $val)
+								{
+									$html_hold .= '<th nowrap="nowrap">' . (($val) ? ucwords(str_replace('_', ' ', $val)) : '&nbsp;') . '</th>';
+								}
+								$html_hold .= '</tr>';
+							}
+							$html_hold .= '<tr>';
+
+							$class = 'row1';
+							foreach (array_values($row) as $val)
+							{
+								$class = ($class == 'row1') ? 'row2' : 'row1';
+								$html_hold .= '<td class="' . $class . '">' . (($val) ? $val : '&nbsp;') . '</td>';
+							}
+							$html_hold .= '</tr>';
+						}
+					}
+
+					if ($html_table)
+					{
+						$html_hold .= '</table>';
+					}
+				}
+
+				$curtime = explode(' ', microtime());
+				$curtime = $curtime[0] + $curtime[1];
+				break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = @mysqli_query($this->db_connect_id, $query);
+				while ($void = @mysqli_fetch_assoc($result))
+				{
+					// Take the time spent on parsing rows into account
+				}
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$time_cache = $endtime - $curtime;
+				$time_db = $splittime - $endtime;
+				$color = ($time_db > $time_cache) ? 'green' : 'red';
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+				$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+				// Pad the start time to not interfere with page timing
+				$starttime += $time_db;
+
+				@mysqli_free_result($result);
+				$cache_num_queries++;
+				break;
+
+			case 'stop':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+				if ($this->query_result)
+				{
+					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+					{
+						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+					}
+					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+				}
+				else
+				{
+					$error = $this->sql_error();
+					$sql_report .= '<b style="color: red">FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+				}
+
+				$sql_report .= '</p>';
+
+				$this->sql_time += $endtime - $curtime;
+				break;
+		}
+	}
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/oracle.php b/src/SemanticScuttle/db/oracle.php
new file mode 100644
index 0000000..7ef10e5
--- /dev/null
+++ b/src/SemanticScuttle/db/oracle.php
@@ -0,0 +1,468 @@
+<?php
+/** 
+*
+* @package dbal_oracle
+* @version $Id: oracle.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if(!defined("SQL_LAYER"))
+{
+
+define("SQL_LAYER","oracle");
+
+/**
+* @package dbal_oracle
+* Oracle Database Abstraction Layer
+*/
+class sql_db
+{
+
+	var $db_connect_id;
+	var $query_result;
+	var $in_transaction = 0;
+	var $row = array();
+	var $rowset = array();
+	var $num_queries = 0;
+	var $last_query_text = "";
+
+	//
+	// Constructor
+	//
+	function sql_db($sqlserver, $sqluser, $sqlpassword, $database="", $persistency = true)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->password = $sqlpassword;
+		$this->server = $sqlserver;
+		$this->dbname = $database;
+
+		if($this->persistency)
+		{
+			$this->db_connect_id = @OCIPLogon($this->user, $this->password, $this->server);
+		}
+		else
+		{
+			$this->db_connect_id = @OCINLogon($this->user, $this->password, $this->server);
+		}
+		if($this->db_connect_id)
+		{
+			return $this->db_connect_id;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if($this->db_connect_id)
+		{
+			// Commit outstanding transactions
+			if($this->in_transaction)
+			{
+				OCICommit($this->db_connect_id);
+			}
+
+			if($this->query_result)
+			{
+				@OCIFreeStatement($this->query_result);
+			}
+			$result = @OCILogoff($this->db_connect_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	//
+	// Base query method
+	//
+	function sql_query($query = "", $transaction = FALSE)
+	{
+		// Remove any pre-existing queries
+		unset($this->query_result);
+
+		// Put us in transaction mode because with Oracle as soon as you make a query you're in a transaction
+		$this->in_transaction = TRUE;
+
+		if($query != "")
+		{
+			$this->last_query = $query;
+			$this->num_queries++;
+
+			if(eregi("LIMIT", $query))
+			{
+				preg_match("/^(.*)LIMIT ([0-9]+)[, ]*([0-9]+)*/s", $query, $limits);
+
+				$query = $limits[1];
+				if($limits[3])
+				{
+					$row_offset = $limits[2];
+					$num_rows = $limits[3];
+				}
+				else
+				{
+					$row_offset = 0;
+					$num_rows = $limits[2];
+				}
+			}
+
+			if(eregi("^(INSERT|UPDATE) ", $query))
+			{
+				$query = preg_replace("/\\\'/s", "''", $query);
+			}
+
+			$this->query_result = @OCIParse($this->db_connect_id, $query);
+			$success = @OCIExecute($this->query_result, OCI_DEFAULT);
+		}
+		if($success)
+		{
+			if($transaction == END_TRANSACTION)
+			{
+				OCICommit($this->db_connect_id);
+				$this->in_transaction = FALSE;
+			}
+
+			unset($this->row[$this->query_result]);
+			unset($this->rowset[$this->query_result]);
+			$this->last_query_text[$this->query_result] = $query;
+
+			return $this->query_result;
+		}
+		else
+		{
+			if($this->in_transaction)
+			{
+				OCIRollback($this->db_connect_id);
+			}
+			return false;
+		}
+	}
+
+	//
+	// Other query methods
+	//
+	function sql_numrows($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCIFetchStatement($query_id, $this->rowset);
+			// OCIFetchStatment kills our query result so we have to execute the statment again
+			// if we ever want to use the query_id again.
+			@OCIExecute($query_id, OCI_DEFAULT);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_affectedrows($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCIRowCount($query_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_numfields($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCINumCols($query_id);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fieldname($offset, $query_id = 0)
+	{
+		// OCIColumnName uses a 1 based array so we have to up the offset by 1 in here to maintain
+		// full abstraction compatibitly
+		$offset += 1;
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = strtolower(@OCIColumnName($query_id, $offset));
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fieldtype($offset, $query_id = 0)
+	{
+		// This situation is the same as fieldname
+		$offset += 1;
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result = @OCIColumnType($query_id, $offset);
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fetchrow($query_id = 0, $debug = FALSE)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$result_row = "";
+			$result = @OCIFetchInto($query_id, $result_row, OCI_ASSOC+OCI_RETURN_NULLS);
+			if($debug)
+			{
+				echo "Query was: ".$this->last_query . "<br>";
+				echo "Result: $result<br>";
+				echo "Query ID: $query_id<br>";
+				echo "<pre>";
+				var_dump($result_row);
+				echo "</pre>";
+			}
+			if($result_row == "")
+			{
+				return false;
+			}
+
+			for($i = 0; $i < count($result_row); $i++)
+			{
+				list($key, $val) = each($result_row);
+				$return_arr[strtolower($key)] = $val;
+			}
+			$this->row[$query_id] = $return_arr;
+
+			return $this->row[$query_id];
+		}
+		else
+		{
+			return false;
+		}
+	}
+	// This function probably isn't as efficant is it could be but any other way I do it
+	// I end up losing 1 row...
+	function sql_fetchrowset($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			$rows = @OCIFetchStatement($query_id, $results);
+			@OCIExecute($query_id, OCI_DEFAULT);
+			for($i = 0; $i <= $rows; $i++)
+			{
+				@OCIFetchInto($query_id, $tmp_result, OCI_ASSOC+OCI_RETURN_NULLS);
+
+				for($j = 0; $j < count($tmp_result); $j++)
+				{
+					list($key, $val) = each($tmp_result);
+					$return_arr[strtolower($key)] = $val;
+				}
+				$result[] = $return_arr;
+			}
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_fetchfield($field, $rownum = -1, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+			if($rownum > -1)
+			{
+				// Reset the internal rownum pointer.
+				@OCIExecute($query_id, OCI_DEFAULT);
+				for($i = 0; $i < $rownum; $i++)
+				  {
+						// Move the interal pointer to the row we want
+						@OCIFetch($query_id);
+				  }
+				// Get the field data.
+				$result = @OCIResult($query_id, strtoupper($field));
+			}
+			else
+			{
+				// The internal pointer should be where we want it
+				// so we just grab the field out of the current row.
+				$result = @OCIResult($query_id, strtoupper($field));
+			}
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	function sql_rowseek($rownum, $query_id = 0)
+	{
+		if(!$query_id)
+		{
+				$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+				@OCIExecute($query_id, OCI_DEFAULT);
+			for($i = 0; $i < $rownum; $i++)
+				{
+					@OCIFetch($query_id);
+				}
+			$result = @OCIFetch($query_id);
+			return $result;
+		}
+		else
+		{
+				return false;
+		}
+	}
+	function sql_nextid($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id && $this->last_query_text[$query_id] != "")
+		{
+			if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
+			{
+				$query = "SELECT ".$tablename[2]."_id_seq.currval FROM DUAL";
+				$stmt = @OCIParse($this->db_connect_id, $query);
+				@OCIExecute($stmt,OCI_DEFAULT );
+				$temp_result = @OCIFetchInto($stmt, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS);
+				if($temp_result)
+				{
+					return $temp_result['CURRVAL'];
+				}
+				else
+				{
+					return false;
+				}
+			}
+			else
+			{
+				return false;
+			}
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	function sql_nextid($query_id = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		if($query_id && $this->last_query_text[$query_id] != "")
+		{
+			if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
+			{
+				$query = "SELECT ".$tablename[2]."_id_seq.CURRVAL FROM DUAL";
+				$temp_q_id =  @OCIParse($this->db_connect_id, $query);
+				@OCIExecute($temp_q_id, OCI_DEFAULT);
+				@OCIFetchInto($temp_q_id, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS);
+
+				if($temp_result)
+				{
+					return $temp_result['CURRVAL'];
+				}
+				else
+				{
+					return false;
+				}
+			}
+			else
+			{
+				return false;
+			}
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+
+
+	function sql_freeresult($query_id = 0)
+	{
+		if(!$query_id)
+		{
+				$query_id = $this->query_result;
+		}
+		if($query_id)
+		{
+				$result = @OCIFreeStatement($query_id);
+				return $result;
+		}
+		else
+		{
+				return false;
+		}
+	}
+	function sql_error($query_id  = 0)
+	{
+		if(!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+		$result  = @OCIError($query_id);
+		return $result;
+	}
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/postgres.php b/src/SemanticScuttle/db/postgres.php
new file mode 100644
index 0000000..b5bad20
--- /dev/null
+++ b/src/SemanticScuttle/db/postgres.php
@@ -0,0 +1,597 @@
+<?php
+/** 
+*
+* @package dbal_postgres
+* @version $Id: postgres.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('SQL_LAYER'))
+{
+
+define('SQL_LAYER', 'postgresql');
+
+/**
+* @package dbal_postgres
+* PostgreSQL Database Abstraction Layer
+* Minimum Requirement is Version 7.3+
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
+	{
+		$this->connect_string = '';
+
+		if ($sqluser)
+		{
+			$this->connect_string .= "user=$sqluser ";
+		}
+
+		if ($sqlpassword)
+		{
+			$this->connect_string .= "password=$sqlpassword ";
+		}
+
+		if ($sqlserver)
+		{
+			if (ereg(":", $sqlserver))
+			{
+				list($sqlserver, $sqlport) = split(":", $sqlserver);
+				$this->connect_string .= "host=$sqlserver port=$sqlport ";
+			}
+			else
+			{
+				if ($sqlserver != "localhost")
+				{
+					$this->connect_string .= "host=$sqlserver ";
+				}
+			
+				if ($port)
+				{
+					$this->connect_string .= "port=$port ";
+				}
+			}
+		}
+
+		if ($database)
+		{
+			$this->dbname = $database;
+			$this->connect_string .= "dbname=$database";
+		}
+
+		$this->persistency = $persistency;
+
+		$this->db_connect_id = ($this->persistency) ? @pg_pconnect($this->connect_string) : @pg_connect($this->connect_string);
+
+		return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
+	}
+
+	//
+	// Other base methods
+	//
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		if ($this->transaction)
+		{
+			@pg_exec($this->db_connect_id, 'COMMIT');
+		}
+
+		return @pg_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$result = @pg_exec($this->db_connect_id, 'BEGIN');
+				$this->transaction = true;
+				break;
+
+			case 'commit':
+				$result = @pg_exec($this->db_connect_id, 'COMMIT');
+				$this->transaction = false;
+
+				if (!$result)
+				{
+					@pg_exec($this->db_connect_id, 'ROLLBACK');
+				}
+				break;
+
+			case 'rollback':
+				$result = @pg_exec($this->db_connect_id, 'ROLLBACK');
+				$this->transaction = false;
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $cache_ttl = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			// EXPLAIN only in extra debug mode
+			if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('start', $query);
+			}
+
+			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+			
+			if (!$this->query_result)
+			{
+				$this->num_queries++;
+				$this->last_query_text = $query;
+
+				if (($this->query_result = @pg_exec($this->db_connect_id, $query)) === false)
+				{
+					$this->sql_error($query);
+				}
+
+				if (defined('DEBUG_EXTRA'))
+				{
+					$this->sql_report('stop', $query);
+				}
+
+				if ($cache_ttl && method_exists($cache, 'sql_save'))
+				{
+					$cache->sql_save($query, $this->query_result, $cache_ttl);
+				}
+			}
+			else if (defined('DEBUG_EXTRA'))
+			{
+				$this->sql_report('fromcache', $query);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) 
+	{ 
+		if ($query != '') 
+		{
+			$this->query_result = false; 
+
+			// if $total is set to 0 we do not want to limit the number of rows
+			if ($total == 0)
+			{
+				$total = -1;
+			}
+
+			$query .= "\n LIMIT $total OFFSET $offset";
+
+			return $this->sql_query($query, $cache_ttl); 
+		} 
+		else 
+		{ 
+			return false; 
+		} 
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE' || $query == 'SELECT')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @pg_numrows($query_id) : false;
+	}
+
+	function sql_affectedrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @pg_cmdtuples($query_id) : false;
+	}
+
+	function sql_fetchrow($query_id = false)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if (!isset($this->rownum[$query_id]))
+		{
+			$this->rownum[$query_id] = 0;
+		}
+
+		if (isset($cache->sql_rowset[$query_id]))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		$result = @pg_fetch_array($query_id, NULL, PGSQL_ASSOC);
+		
+		if ($result)
+		{
+			$this->rownum[$query_id]++;
+		}
+
+		return $result;
+	}
+
+	function sql_fetchrowset($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		$result = array();
+
+		if ($query_id)
+		{
+			unset($this->rowset[$query_id]);
+			unset($this->row[$query_id]);
+
+			$result = array();
+			while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))
+			{
+				$result[] = $this->rowset[$query_id];
+			}
+			return $result;
+		}
+
+		return false;
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($rownum > -1)
+			{
+				if (@function_exists('pg_result_seek'))
+				{
+					@pg_result_seek($query_id, $rownum);
+					$row = @pg_fetch_assoc($query_id);
+					$result = isset($row[$field]) ? $row[$field] : false;
+				}
+				else
+				{
+					$this->sql_rowseek($offset, $query_id);
+					$row = $this->sql_fetchrow($query_id);
+					$result = isset($row[$field]) ? $row[$field] : false;
+				}
+			}
+			else
+			{
+				if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
+				{
+					if ($this->sql_fetchrow($query_id))
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+				else
+				{
+					if ($this->rowset[$query_id])
+					{
+						$result = $this->rowset[$query_id][$field];
+					}
+					elseif ($this->row[$query_id])
+					{
+						$result = $this->row[$query_id][$field];
+					}
+				}
+			}
+			return $result;
+		}
+		return false;
+	}
+
+	function sql_rowseek($offset, $query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			if ($offset > -1)
+			{
+				if (@function_exists('pg_result_seek'))
+				{
+					@pg_result_seek($query_id, $rownum);
+				}
+				else
+				{
+					for ($i = $this->rownum[$query_id]; $i < $offset; $i++)
+					{
+						$this->sql_fetchrow($query_id);
+					}
+				}
+				return true;
+			}
+			else
+			{
+				return false;
+			}
+		}
+
+		return false;
+	}
+
+	function sql_nextid()
+	{
+		$query_id = $this->query_result;
+
+		if ($query_id && $this->last_query_text != '')
+		{
+			if (preg_match("/^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)/is", $this->last_query_text, $tablename))
+			{
+				$query = "SELECT currval('" . $tablename[1] . "_id_seq') AS last_value";
+				$temp_q_id =  @pg_exec($this->db_connect_id, $query);
+				if (!$temp_q_id)
+				{
+					return false;
+				}
+
+				$temp_result = @pg_fetch_array($temp_q_id, NULL, PGSQL_ASSOC);
+
+				return ($temp_result) ? $temp_result['last_value'] : false;
+			}
+		}
+
+		return false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return (is_resource($query_id)) ? @pg_freeresult($query_id) : false;
+	}
+
+	function sql_escape($msg)
+	{
+		return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
+	}
+
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @pg_errormessage() . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @pg_errormessage(),
+			'code'		=> ''
+		);
+
+		return $result;
+	}
+
+	function sql_report($mode, $query = '')
+	{
+		if (empty($_GET['explain']))
+		{
+			return;
+		}
+
+		global $cache, $starttime, $phpbb_root_path;
+		static $curtime, $query_hold, $html_hold;
+		static $sql_report = '';
+		static $cache_num_queries = 0;
+
+		if (!$query && !empty($query_hold))
+		{
+			$query = $query_hold;
+		}
+
+		switch ($mode)
+		{
+			case 'display':
+				if (!empty($cache))
+				{
+					$cache->unload();
+				}
+				$this->sql_close();
+
+				$mtime = explode(' ', microtime());
+				$totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
+				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
+				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
+				echo '</style><title>' . $msg_title . '</title></head><body>';
+				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
+				echo $sql_report;
+				echo '</td></tr></table><br /></body></html>';
+				exit;
+				break;
+
+			case 'start':
+				$query_hold = $query;
+				$html_hold = '';
+
+				$curtime = explode(' ', microtime());
+				$curtime = $curtime[0] + $curtime[1];
+				break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = @pg_exec($this->db_connect_id, $query);
+				while ($void = @pg_fetch_array($result, NULL, PGSQL_ASSOC))
+				{
+					// Take the time spent on parsing rows into account
+				}
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$time_cache = $endtime - $curtime;
+				$time_db = $splittime - $endtime;
+				$color = ($time_db > $time_cache) ? 'green' : 'red';
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
+
+				$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
+
+				// Pad the start time to not interfere with page timing
+				$starttime += $time_db;
+
+				@pg_freeresult($result);
+				$cache_num_queries++;
+				break;
+
+			case 'stop':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
+
+				if ($this->query_result)
+				{
+					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+					{
+						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
+					}
+					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
+				}
+				else
+				{
+					$error = $this->sql_error();
+					$sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+				}
+
+				$sql_report .= '</p>';
+
+				$this->sql_time += $endtime - $curtime;
+				break;
+		}
+	}
+
+} // class ... db_sql
+
+} // if ... defined
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/db/sqlite.php b/src/SemanticScuttle/db/sqlite.php
new file mode 100644
index 0000000..1591396
--- /dev/null
+++ b/src/SemanticScuttle/db/sqlite.php
@@ -0,0 +1,387 @@
+<?php
+/** 
+*
+* @package dbal_sqlite
+* @version $Id: sqlite.php,v 1.2 2005/06/10 08:52:03 devalley Exp $
+* @copyright (c) 2005 phpBB Group 
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined("SQL_LAYER"))
+{
+
+define("SQL_LAYER","sqlite");
+
+/**
+* @package dbal_sqlite
+* Sqlite Database Abstraction Layer
+*/
+class sql_db
+{
+	var $db_connect_id;
+	var $query_result;
+	var $return_on_error = false;
+	var $transaction = false;
+	var $sql_report = '';
+	var $sql_time = 0;
+	var $num_queries = 0;
+	var $open_queries = array();
+
+	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port, $persistency = false)
+	{
+		$this->persistency = $persistency;
+		$this->user = $sqluser;
+		$this->server = $sqlserver . (($port) ? ':' . $port : '');
+		$this->dbname = $database;
+
+		$this->db_connect_id = ($this->persistency) ? @sqlite_popen($this->server, 0, $error) : @sqlite_open($this->server, 0, $error);
+
+		return ($this->db_connect_id) ? true : $error;
+	}
+
+	// Other base methods
+	function sql_close()
+	{
+		if (!$this->db_connect_id)
+		{
+			return false;
+		}
+
+		return @sqlite_close($this->db_connect_id);
+	}
+
+	function sql_return_on_error($fail = false)
+	{
+		$this->return_on_error = $fail;
+	}
+
+	function sql_num_queries()
+	{
+		return $this->num_queries;
+	}
+
+	function sql_transaction($status = 'begin')
+	{
+		switch ($status)
+		{
+			case 'begin':
+				$this->transaction = true;
+				$result = @sqlite_query('BEGIN', $this->db_connect_id);
+				break;
+
+			case 'commit':
+				$this->transaction = false;
+				$result = @sqlite_query('COMMIT', $this->db_connect_id);
+				break;
+
+			case 'rollback':
+				$this->transaction = false;
+				$result = @sqlite_query('ROLLBACK', $this->db_connect_id);
+				break;
+
+			default:
+				$result = true;
+		}
+
+		return $result;
+	}
+
+	// Base query method
+	function sql_query($query = '', $expire_time = 0)
+	{
+		if ($query != '')
+		{
+			global $cache;
+
+			$query = preg_replace('#FROM \((.*?)\)(,|[\n\t ]+?WHERE) #s', 'FROM \1\2 ', $query);
+
+			if (!$expire_time || !$cache->sql_load($query, $expire_time))
+			{
+				if ($expire_time)
+				{
+					$cache_result = true;
+				}
+
+				$this->query_result = false;
+				$this->num_queries++;
+
+				if (!empty($_GET['explain']))
+				{
+					global $starttime;
+
+					$curtime = explode(' ', microtime());
+					$curtime = $curtime[0] + $curtime[1] - $starttime;
+				}
+
+				if (!($this->query_result = @sqlite_query($query, $this->db_connect_id)))
+				{
+					$this->sql_error($query);
+				}
+
+				if (!empty($_GET['explain']))
+				{
+					$endtime = explode(' ', microtime());
+					$endtime = $endtime[0] + $endtime[1] - $starttime;
+
+					$this->sql_report .= "<pre>Query:\t" . htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n\t", $query)) . "\n\n";
+
+					if ($this->query_result)
+					{
+						$this->sql_report .= "Time before:  $curtime\nTime after:   $endtime\nElapsed time: <b>" . ($endtime - $curtime) . "</b>\n</pre>";
+					}
+					else
+					{
+						$error = $this->sql_error();
+						$this->sql_report .= '<b>FAILED</b> - SQLite ' . $error['code'] . ': ' . htmlspecialchars($error['message']) . '<br><br><pre>';
+					}
+
+					$this->sql_time += $endtime - $curtime;
+
+					if (preg_match('#^SELECT#', $query))
+					{
+						$html_table = FALSE;
+						if ($result = @sqlite_query("EXPLAIN $query", $this->db_connect_id))
+						{
+							while ($row = @sqlite_fetch_array($result, @sqlite_ASSOC))
+							{
+								if (!$html_table && sizeof($row))
+								{
+									$html_table = TRUE;
+									$this->sql_report .= "<table width=100% border=1 cellpadding=2 cellspacing=1>\n";
+									$this->sql_report .= "<tr>\n<td><b>" . implode("</b></td>\n<td><b>", array_keys($row)) . "</b></td>\n</tr>\n";
+								}
+								$this->sql_report .= "<tr>\n<td>" . implode("&nbsp;</td>\n<td>", array_values($row)) . "&nbsp;</td>\n</tr>\n";
+							}
+						}
+
+						if ($html_table)
+						{
+							$this->sql_report .= '</table><br>';
+						}
+					}
+
+					$this->sql_report .= "<hr>\n";
+				}
+
+				if (preg_match('#^SELECT#', $query))
+				{
+					$this->open_queries[] = $this->query_result;
+				}
+			}
+
+			if (!empty($cache_result))
+			{
+				$cache->sql_save($query, $this->query_result);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $expire_time = 0)
+	{
+		if ($query != '')
+		{
+			$this->query_result = false;
+
+			$query .= ' LIMIT ' . ((!empty($offset)) ? $total . ' OFFSET ' . $offset : $total);
+
+			return $this->sql_query($query, $expire_time);
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($query, $assoc_ary = false)
+	{
+		if (!is_array($assoc_ary))
+		{
+			return false;
+		}
+
+		$fields = array();
+		$values = array();
+		if ($query == 'INSERT')
+		{
+			foreach ($assoc_ary as $key => $var)
+			{
+				$fields[] = $key;
+
+				if (is_null($var))
+				{
+					$values[] = 'NULL';
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "'" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? intval($var) : $var;
+				}
+			}
+
+			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+		}
+		else if ($query == 'UPDATE')
+		{
+			$values = array();
+			foreach ($assoc_ary as $key => $var)
+			{
+				if (is_null($var))
+				{
+					$values[] = "$key = NULL";
+				}
+				elseif (is_string($var))
+				{
+					$values[] = "$key = '" . $this->sql_escape($var) . "'";
+				}
+				else
+				{
+					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+				}
+			}
+			$query = implode(', ', $values);
+		}
+
+		return $query;
+	}
+
+	// Other query methods
+	//
+	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+	//         don't want this here by a middle Milestone
+	function sql_numrows($query_id = false)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @sqlite_num_rows($query_id) : false;
+	}
+
+	function sql_affectedrows()
+	{
+		return ($this->db_connect_id) ? @sqlite_changes($this->db_connect_id) : false;
+	}
+
+	function sql_fetchrow($query_id = 0)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($cache->sql_exists($query_id))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		return ($query_id) ? @sqlite_fetch_array($query_id, @sqlite_ASSOC) : false;
+	}
+
+	function sql_fetchrowset($query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			unset($this->rowset[$query_id]);
+			unset($this->row[$query_id]);
+			while ($this->rowset[$query_id] = @sqlite_fetch_array($query_id, @sqlite_ASSOC))
+			{
+				$result[] = $this->rowset[$query_id];
+			}
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			return ($rownum > -1) ? ((@sqlite_seek($query_id, $rownum)) ? @sqlite_column($query_id, $field) : false) : @sqlite_column($query_id, $field);
+		}
+	}
+
+	function sql_rowseek($rownum, $query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @sqlite_seek($query_id, $rownum) : false;
+	}
+
+	function sql_nextid()
+	{
+		return ($this->db_connect_id) ? @sqlite_last_insert_rowid($this->db_connect_id) : false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		return true;
+	}
+
+	function sql_escape($msg)
+	{
+		return @sqlite_escape_string(stripslashes($msg));
+	}
+
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((!empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : $_ENV['QUERY_STRING']);
+
+			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @sqlite_error_string(@sqlite_last_error($this->db_connect_id)) . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @sqlite_error_string(@sqlite_last_error($this->db_connect_id)),
+			'code'		=> @sqlite_last_error($this->db_connect_id)
+		);
+
+		return $result;
+	}
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
diff --git a/src/SemanticScuttle/functions.inc.php b/src/SemanticScuttle/functions.inc.php
new file mode 100644
index 0000000..08d5f33
--- /dev/null
+++ b/src/SemanticScuttle/functions.inc.php
@@ -0,0 +1,207 @@
+<?php
+/* Define functions used into the application */
+
+
+// Converts tags:
+// - direction = out: convert spaces to underscores;
+// - direction = in: convert underscores to spaces.
+function convertTag($tag, $direction = 'out') {
+	if ($direction == 'out') {
+		$tag = str_replace(' ', '_', $tag);
+	} else {
+		$tag = str_replace('_', ' ', $tag);
+	}
+	return $tag;
+}
+
+function filter($data, $type = NULL) {
+	if (is_string($data)) {
+		$data = trim($data);
+		$data = stripslashes($data);
+		switch ($type) {
+			case 'url':
+				$data = rawurlencode($data);
+				break;
+			default:
+				$data = htmlspecialchars($data);
+				break;
+		}
+	} else if (is_array($data)) {
+		foreach(array_keys($data) as $key) {
+			$row =& $data[$key];
+			$row = filter($row, $type);
+		}
+	}
+	return $data;
+}
+
+function getPerPageCount($userObject = null) {
+	global $defaultPerPage, $defaultPerPageForAdmins;
+	
+	if(isset($defaultPerPageForAdmins) && $userObject != null && $userObject->isAdmin()) {		
+		return $defaultPerPageForAdmins;
+	} else {
+		return $defaultPerPage;
+	}
+}
+
+function getSortOrder($override = NULL) {
+	global $defaultOrderBy;
+
+	if (isset($_GET['sort'])) {
+		return $_GET['sort'];
+	} else if (isset($override)) {
+		return $override;
+	} else {
+		return $defaultOrderBy;
+	}
+}
+
+function multi_array_search($needle, $haystack) {
+	if (is_array($haystack)) {
+		foreach(array_keys($haystack) as $key) {
+			$value =& $haystack[$key];
+			$result = multi_array_search($needle, $value);
+			if (is_array($result)) {
+				$return = $result;
+				array_unshift($return, $key);
+				return $return;
+			} elseif ($result == true) {
+				$return[] = $key;
+				return $return;
+			}
+		}
+		return false;
+	} else {
+		if ($needle === $haystack) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
+
+function createURL($page = '', $ending = '') {
+	global $cleanurls;
+	if (!$cleanurls && $page != '') {
+		$page .= '.php';
+	}
+	if(strlen($ending)>0) {
+		return ROOT . $page .'/'. $ending;
+	} else {
+		return ROOT . $page;
+	}
+}
+
+/* Shorten a string like a URL for example by cutting the middle of it */
+function shortenString($string, $maxSize=75) {
+	$output = '';
+	if(strlen($string) > $maxSize) {
+		$output = substr($string, 0, $maxSize/2).'...'.substr($string, -$maxSize/2);
+	} else {
+		$output = $string;
+	}
+	return $output;
+}
+
+/* Check url format and check online if the url is a valid page (Not a 404 error for example) */
+function checkUrl($url, $checkOnline = true) {
+	//check format
+	if(!preg_match("#(ht|f)tp(s?)\://\S+\.\S+#i",$url)) {
+		return false;
+	}
+
+	if($checkOnline) {
+		//look if the page doesn't return a void or 40X or 50X HTTP code error
+		$h = @get_headers($url);
+		if(is_array($h) && strpos($h[0], '40') === false && strpos($h[0], '50') === false) {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		return true;
+	}
+}
+
+/* Returns a concatenated String
+ * including all the tags from the array $arrayTags (excepted of the $exceptedTag)
+ * separated by the $separator.
+ * */
+function aggregateTags($arrayTags, $separator = ' + ', $exceptedTag = '') {
+	$output = '';
+
+	for($i = 0; $i<count($arrayTags); $i++) {
+		if($arrayTags[$i] != $exceptedTag) {
+			$output.= $arrayTags[$i] . $separator;
+		}
+	}
+	return substr($output, 0, strlen($output) - strlen($separator) );
+}
+
+function message_die($msg_code, $msg_text = '', $msg_title = '', $err_line = '', $err_file = '', $sql = '', $db = NULL) {
+	if(defined('HAS_DIED'))
+	die(T_('message_die() was called multiple times.'));
+	define('HAS_DIED', 1);
+
+	$sql_store = $sql;
+
+	// Get SQL error if we are debugging. Do this as soon as possible to prevent
+	// subsequent queries from overwriting the status of sql_error()
+	if (DEBUG_MODE && ($msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR)) {
+		$sql_error = is_null($db) ? '' : $db->sql_error();
+		$debug_text = '';
+
+		if ($sql_error['message'] != '')
+		$debug_text .= '<br /><br />'. T_('SQL Error') .' : '. $sql_error['code'] .' '. $sql_error['message'];
+
+		if ($sql_store != '')
+		$debug_text .= '<br /><br />'. $sql_store;
+
+		if ($err_line != '' && $err_file != '')
+		$debug_text .= '</br /><br />'. T_('Line') .' : '. $err_line .'<br />'. T_('File') .' :'. $err_file;
+	}
+
+	switch($msg_code) {
+		case GENERAL_MESSAGE:
+			if ($msg_title == '')
+			$msg_title = T_('Information');
+			break;
+
+		case CRITICAL_MESSAGE:
+			if ($msg_title == '')
+			$msg_title = T_('Critical Information');
+			break;
+
+		case GENERAL_ERROR:
+			if ($msg_text == '')
+			$msg_text = T_('An error occured');
+
+			if ($msg_title == '')
+			$msg_title = T_('General Error');
+			break;
+
+		case CRITICAL_ERROR:
+			// Critical errors mean we cannot rely on _ANY_ DB information being
+			// available so we're going to dump out a simple echo'd statement
+
+			if ($msg_text == '')
+			$msg_text = T_('An critical error occured');
+
+			if ($msg_title == '')
+			$msg_title = T_('Critical Error');
+			break;
+	}
+
+	// Add on DEBUG_MODE info if we've enabled debug mode and this is an error. This
+	// prevents debug info being output for general messages should DEBUG_MODE be
+	// set TRUE by accident (preventing confusion for the end user!)
+	if (DEBUG_MODE && ($msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR)) {
+		if ($debug_text != '')
+		$msg_text = $msg_text . '<br /><br /><strong>'. T_('DEBUG MODE') .'</strong>'. $debug_text;
+	}
+
+	echo "<html>\n<body>\n". $msg_title ."\n<br /><br />\n". $msg_text ."</body>\n</html>";
+	exit;
+}
+?>
diff --git a/src/SemanticScuttle/header.inc.php b/src/SemanticScuttle/header.inc.php
new file mode 100644
index 0000000..024cb06
--- /dev/null
+++ b/src/SemanticScuttle/header.inc.php
@@ -0,0 +1,55 @@
+<?php
+if(!file_exists(dirname(__FILE__) .'/config.inc.php')) {
+	die('Please copy "config.inc.php.dist" to "config.inc.php"');
+}
+
+// 1 // First requirements part (before debug management)
+require_once(dirname(__FILE__) .'/config.default.inc.php');
+require_once(dirname(__FILE__) .'/config.inc.php');
+require_once(dirname(__FILE__) .'/constants.inc.php'); // some constants are based on variables from config file
+
+
+// Debug Management using constants
+if(DEBUG_MODE) {
+	ini_set('display_errors', '1');
+	ini_set('mysql.trace_mode', '1');
+	error_reporting(E_ALL);
+} else {
+	ini_set('display_errors', '0');
+	ini_set('mysql.trace_mode', '0');
+	error_reporting(0);
+}
+
+// 2 // Second requirements part which could display bugs (must come after debug management)
+require_once(dirname(__FILE__) .'/services/servicefactory.php');
+require_once(dirname(__FILE__) .'/functions.inc.php');
+
+
+// 3 // Third requirements part which import functions from includes/ directory
+
+// UTF-8 functions
+require_once(dirname(__FILE__) .'/includes/utf8.php');
+
+// Translation
+require_once(dirname(__FILE__) .'/includes/php-gettext/gettext.inc');
+$domain = 'messages';
+T_setlocale(LC_MESSAGES, $locale);
+T_bindtextdomain($domain, dirname(__FILE__) .'/locales');
+T_bind_textdomain_codeset($domain, 'UTF-8');
+T_textdomain($domain);
+
+// 4 // Session
+session_start();
+
+// 5 // Create mandatory services and objects
+$userservice =& ServiceFactory::getServiceInstance('UserService');
+$currentUser = $userservice->getCurrentObjectUser();
+
+$templateservice =& ServiceFactory::getServiceInstance('TemplateService');
+$tplVars = array();
+$tplVars['currentUser'] = $currentUser;
+$tplVars['userservice'] = $userservice;
+
+// 6 // Force UTF-8 behaviour for server (cannot be move into top.inc.php which is not included into every file)
+header('Content-Type: text/html; charset=utf-8');
+?>
diff --git a/src/SemanticScuttle/search.inc.php b/src/SemanticScuttle/search.inc.php
new file mode 100644
index 0000000..ce57aea
--- /dev/null
+++ b/src/SemanticScuttle/search.inc.php
@@ -0,0 +1,54 @@
+<?php
+
+
+/* Managing all possible inputs */
+$select_watchlist = isset($select_watchlist)?$select_watchlist:'';
+$select_all = isset($select_all)?$select_all:'';
+
+$selected = ' selected="selected"';
+?>
+
+
+<form id="search" action="<?php echo createURL('search'); ?>" method="post">
+    <table>
+    <tr>
+        <?php
+        $currentUser = $currentUsername = null;
+        if ($userservice->isLoggedOn()) {
+            $currentUser = $userservice->getCurrentObjectUser();
+            $currentUsername = $currentUser->getUsername();
+        }
+        if ($userservice->isLoggedOn() || isset($user)) {
+        ?>
+        
+        <td><input type="text" name="terms" size="30" value="<?php $terms=!isset($terms)?T_('Search...'):$terms; echo filter($terms); ?>" onfocus="if (this.value == '<?php echo T_('Search...') ?>') this.value = '';" onblur="if (this.value == '') this.value = '<?php echo T_('Search...') ?>';"/></td>
+        <td><?php echo T_('in') ?></td>
+        <td>
+            <select name="range">                      
+                <?php
+                if ($range == 'user' && $user!=$currentUsername) {
+                ?>
+                <option value="<?php echo $user ?>"><?php echo T_("this user's bookmarks"); ?></option>
+                <?php
+                }
+                if ($userservice->isLoggedOn()) {
+                ?>
+                <option value="<?php echo $currentUsername; ?>"><?php echo T_('my bookmarks'); ?></option>
+                <option value="watchlist" <?php echo ($range == 'watchlist')?$selected:''?> ><?php echo T_('my watchlist'); ?></option>
+                <?php
+                }
+                ?>
+                <option value="all" <?php echo ($range == 'all' || $range == '')?$selected:'' ?> ><?php echo T_('all bookmarks'); ?></option>
+            </select>
+        </td>        
+        <?php
+        } else {
+        ?>
+        <td><input type="hidden" name="range" value="all" /></td>
+        <?php
+        }
+        ?>        
+        <td><input type="submit" value="<?php echo T_('Search' /* Submit button */); ?>" /></td>
+    </tr>
+    </table>
+</form>