diff --git a/campcaster/src/modules/alib/var/alib.php b/campcaster/src/modules/alib/var/alib.php
index f1b97d2db..8237461ab 100644
--- a/campcaster/src/modules/alib/var/alib.php
+++ b/campcaster/src/modules/alib/var/alib.php
@@ -10,19 +10,33 @@ define('ALIBERR_NOTEXISTS', 31);
  *
  * Authentication/authorization class
  *
- * @author  $Author$
+ * @author Tomas Hlava <th@red2head.com>
+ * @author Paul Baranowski <paul@paulbaranowski.org>
  * @version $Revision$
  * @package Campcaster
  * @subpackage Alib
- * @see Subjects
- * @see GreenBox
+ * @copyright 2006 MDLF, Inc.
+ * @license http://www.gnu.org/licenses/gpl.txt
+ * @link http://www.campware.org
  */
-class Alib extends Subjects{
-    var $permTable;
-    var $sessTable;
-    var $login=NULL;
-    var $userid=NULL;
-    var $sessid=NULL;
+class Alib extends Subjects {
+	/**
+	 * The name of a database table.
+	 *
+	 * @var string
+	 */
+    public $permTable;
+
+    /**
+     * The name of a database table.
+     *
+     * @var string
+     */
+    public $sessTable;
+
+    //var $login = NULL;
+    //var $userid = NULL;
+    public $sessid = NULL;
 
     /**
      * Constructor
@@ -30,9 +44,9 @@ class Alib extends Subjects{
      * @param DB $dbc
      * @param array $config
      */
-    function Alib(&$dbc, $config)
+    public function __construct(&$dbc, $config)
     {
-        parent::Subjects($dbc, $config);
+        parent::__construct($dbc, $config);
         $this->permTable = $config['tblNamePrefix'].'perms';
         $this->sessTable = $config['tblNamePrefix'].'sess';
     } // constructor
@@ -47,10 +61,9 @@ class Alib extends Subjects{
      *
      * @param string $login
      * @param string $pass
-     * @return mixed
-     * 		boolean/sessionId/err
+     * @return boolean|sessionId|PEAR_Error
      */
-    function login($login, $pass)
+    public function login($login, $pass)
     {
         if (FALSE === $this->authenticate($login, $pass)) {
             $this->setTimeStamp($login, TRUE);
@@ -67,9 +80,9 @@ class Alib extends Subjects{
         if (PEAR::isError($r)) {
             return $r;
         }
-        $this->login = $login;
-        $this->userid = $userid;
-        $this->sessid = $sessid;
+        //$this->login = $login;
+        //$this->userid = $userid;
+        //$this->sessid = $sessid;
         $this->setTimeStamp($login, FALSE);
         return $sessid;
     } // fn login
@@ -79,12 +92,12 @@ class Alib extends Subjects{
      * Logout and destroy session
      *
      * @param string $sessid
-     * @return true/err
+     * @return true|PEAR_Error
      */
-    function logout($sessid)
+    public function logout($sessid)
     {
         $ct = $this->checkAuthToken($sessid);
-        if($ct === FALSE) {
+        if ($ct === FALSE) {
             return PEAR::raiseError('Alib::logout: not logged ($ct)',
                 ALIBERR_NOTLOGGED, PEAR_ERROR_RETURN);
         } elseif (PEAR::isError($ct)) {
@@ -96,9 +109,9 @@ class Alib extends Subjects{
             if (PEAR::isError($r)) {
                 return $r;
             }
-            $this->login = NULL;
-            $this->userid = NULL;
-            $this->sessid = NULL;
+            //$this->login = NULL;
+            //$this->userid = NULL;
+            //$this->sessid = NULL;
             return TRUE;
         }
     } // fn logout
@@ -108,9 +121,9 @@ class Alib extends Subjects{
      * Return true if the token is valid
      *
      * @param string $sessid
-     * @return boolean/err
+     * @return boolean|PEAR_Error
      */
-    function checkAuthToken($sessid)
+    private function checkAuthToken($sessid)
     {
         $sql = "SELECT count(*) as cnt FROM {$this->sessTable}
             WHERE sessid='$sessid'";
@@ -123,17 +136,20 @@ class Alib extends Subjects{
      * Set valid token in alib object
      *
      * @param string $sessid
-     * @return boolean/err
+     * @return TRUE|PEAR_Error
      */
-    function setAuthToken($sessid)
-    {
-        $r = checkAuthToken($sessid);
-        if(PEAR::isError($r)) return $r;
-        if(!$r)
-            return PEAR::raiseError("ALib::setAuthToken: invalid token ($sessid)");
-        $this->sessid = $sessid;
-        return TRUE;
-    } // fn setAuthToken
+//    public function setAuthToken($sessid)
+//    {
+//        $r = $this->checkAuthToken($sessid);
+//        if (PEAR::isError($r)) {
+//        	return $r;
+//        }
+//        if (!$r) {
+//            return PEAR::raiseError("ALib::setAuthToken: invalid token ($sessid)");
+//        }
+//        //$this->sessid = $sessid;
+//        return TRUE;
+//    } // fn setAuthToken
 
 
     /* -------------------------------------------------------- authorization */
@@ -150,7 +166,7 @@ class Alib extends Subjects{
      * @return int
      * 		local permission id
      */
-    function addPerm($sid, $action, $oid, $type='A')
+    public function addPerm($sid, $action, $oid, $type='A')
     {
         $permid = $this->dbc->nextId("{$this->permTable}_id_seq");
         $sql = "INSERT INTO {$this->permTable} (permid, subj, action, obj, type)
@@ -167,14 +183,14 @@ class Alib extends Subjects{
      * Remove permission record
      *
      * @param int $permid
-     * 		(optional) local permission id
+     * 		local permission id
      * @param int $subj
-     * 		(optional) local user/group id
+     * 		local user/group id
      * @param int $obj
-     * 		(optional) local object id
-     * @return boolean/error
+     * 		local object id
+     * @return boolean|PEAR_Error
      */
-    function removePerm($permid=NULL, $subj=NULL, $obj=NULL)
+    public function removePerm($permid=NULL, $subj=NULL, $obj=NULL)
     {
         $ca = array();
         if ($permid) {
@@ -203,7 +219,7 @@ class Alib extends Subjects{
      * @return int
      * 		local object id
      */
-    function _getPermOid($permid)
+    protected function _getPermOid($permid)
     {
         $sql = "SELECT obj FROM {$this->permTable} WHERE permid=$permid";
         $res = $this->dbc->getOne($sql);
@@ -234,7 +250,7 @@ class Alib extends Subjects{
      * @return mixed
      * 		boolean/err
      */
-    function checkPerm($sid, $action, $oid=NULL)
+    public function checkPerm($sid, $action, $oid=NULL)
     {
         if (!is_numeric($sid)) {
             return FALSE;
@@ -322,10 +338,9 @@ class Alib extends Subjects{
      * Remove all permissions on object and then remove object itself
      *
      * @param int $id
-     * @return mixed
-     * 		void/error
+     * @return void|PEAR_Error
      */
-    function removeObj($id)
+    public function removeObj($id)
     {
         $r = $this->removePerm(NULL, NULL, $id);
         if (PEAR::isError($r)) {
@@ -340,10 +355,9 @@ class Alib extends Subjects{
      * Remove all permissions of subject and then remove subject itself
      *
      * @param string $login
-     * @return mixed
-     * 		void/error
+     * @return void|PEAR_Error
      */
-    function removeSubj($login)
+    public function removeSubj($login)
     {
         $uid = $this->getSubjId($login);
         if (PEAR::isError($uid)) {
@@ -366,9 +380,9 @@ class Alib extends Subjects{
      * Get login from session id (token)
      *
      * @param string $sessid
-     * @return string/error
+     * @return string|PEAR_Error
      */
-    function getSessLogin($sessid)
+    public function getSessLogin($sessid)
     {
         $sql = "SELECT login FROM {$this->sessTable} WHERE sessid='$sessid'";
         $r = $this->dbc->getOne($sql);
@@ -388,9 +402,9 @@ class Alib extends Subjects{
      * Get user id from session id.
      *
      * @param string $sessid
-     * @return int/error
+     * @return int|PEAR_Error
      */
-    function getSessUserId($sessid)
+    public function getSessUserId($sessid)
     {
         $sql = "SELECT userid FROM {$this->sessTable} WHERE sessid='$sessid'";
         $r = $this->dbc->getOne($sql);
@@ -411,9 +425,9 @@ class Alib extends Subjects{
      * Get all permissions on object.
      *
      * @param int $id
-     * @return array/null/err
+     * @return array|null|PEAR_Error
      */
-    function getObjPerms($id)
+    public function getObjPerms($id)
     {
         $sql = "SELECT s.login, p.* FROM {$this->permTable} p, {$this->subjTable} s
             WHERE s.id=p.subj AND p.obj=$id";
@@ -427,7 +441,7 @@ class Alib extends Subjects{
      * @param int $sid
      * @return array
      */
-    function getSubjPerms($sid)
+    public function getSubjPerms($sid)
     {
         $sql = "
             SELECT t.name, t.type as otype , p.*
@@ -460,7 +474,7 @@ class Alib extends Subjects{
      *
      * @return array
      */
-    function getAllActions()
+    public function getAllActions()
     {
         return $this->config['allActions'];
     } // fn getAllActions
@@ -472,7 +486,7 @@ class Alib extends Subjects{
      * @param string $type
      * @return array
      */
-    function getAllowedActions($type)
+    public function getAllowedActions($type)
     {
         return $this->config['allowedActions'][$type];
     } // fn getAllowedActions
@@ -485,7 +499,7 @@ class Alib extends Subjects{
      *
      * @return string
      */
-    function _createSessid()
+    private function _createSessid()
     {
         for ($c=1; $c>0;){
             $sessid = md5(uniqid(rand()));
@@ -511,7 +525,7 @@ class Alib extends Subjects{
      * 		actual indentation
      * @return string
      */
-    function dumpPerms($indstr='    ', $ind='')
+    public function dumpPerms($indstr='    ', $ind='')
     {
         $arr = $this->dbc->getAll("
             SELECT s.login, p.action, p.type
@@ -536,7 +550,7 @@ class Alib extends Subjects{
      *
      * @return void
      */
-    function deleteData()
+    public function deleteData()
     {
         $this->dbc->query("DELETE FROM {$this->permTable}");
         $this->dbc->query("DELETE FROM {$this->sessTable}");
@@ -549,7 +563,7 @@ class Alib extends Subjects{
      *
      * @return array
      */
-    function testData()
+    public function testData()
     {
         parent::testData();
         $t =& $this->tdata['tree'];
@@ -585,9 +599,9 @@ class Alib extends Subjects{
     /**
      * Make basic test
      *
-     * @return boolean/error
+     * @return boolean|PEAR_Error
      */
-    function test()
+    public function test()
     {
         if (PEAR::isError($p = parent::test())) {
             return $p;
@@ -646,7 +660,7 @@ class Alib extends Subjects{
      *
      * @return void
      */
-    function install()
+    public function install()
     {
         parent::install();
         $this->dbc->query("CREATE TABLE {$this->permTable} (
@@ -680,11 +694,11 @@ class Alib extends Subjects{
 
 
     /**
-     *   Drop tables etc.
+     * Drop tables etc.
      *
-     *   @return void
+     * @return void
      */
-    function uninstall()
+    public function uninstall()
     {
         $this->dbc->query("DROP TABLE {$this->permTable}");
         $this->dbc->dropSequence("{$this->permTable}_id_seq");
diff --git a/campcaster/src/modules/alib/var/class.php b/campcaster/src/modules/alib/var/class.php
index ec9f1d9fe..75dd08fb5 100644
--- a/campcaster/src/modules/alib/var/class.php
+++ b/campcaster/src/modules/alib/var/class.php
@@ -6,27 +6,39 @@ require_once "m2tree.php";
  *
  * A class for 'object classes' handling - i.e. groups of object in tree
  *
- * @author  $Author$
+ * @author Tomas Hlava <th@red2head.com>
+ * @author Paul Baranowski <paul@paulbaranowski.org>
  * @version $Revision$
  * @package Campcaster
  * @subpackage Alib
- * @see Mtree
- * @see Subj
+ * @copyright 2006 MDLF, Inc.
+ * @license http://www.gnu.org/licenses/gpl.txt
+ * @link http://www.campware.org
  */
-class ObjClasses extends M2tree{
-    var $classTable;
-    var $cmembTable;
+class ObjClasses extends M2tree {
+	/**
+	 * The name of the database table ("PREFIXclasses")
+	 *
+	 * @var string
+	 */
+    public $classTable;
 
     /**
-     *  Constructor
+     * The name of a database table ("PREFIXcmemb")
      *
-     *  @param dbc object
-     *  @param config array
-     *  @return this
+     * @var string
      */
-    function ObjClasses(&$dbc, $config)
+    public $cmembTable;
+
+
+    /**
+     * @param object $dbc
+     * @param array $config
+     * @return this
+     */
+    public function __construct(&$dbc, $config)
     {
-        parent::M2Tree($dbc, $config);
+        parent::__construct($dbc, $config);
         $this->classTable = $config['tblNamePrefix'].'classes';
         $this->cmembTable = $config['tblNamePrefix'].'cmemb';
     }
@@ -35,12 +47,12 @@ class ObjClasses extends M2tree{
     /* ======================================================= public methods */
 
     /**
-     *   Add new class of objects
+     * Add new class of objects
      *
-     *   @param cname string
-     *   @return id/error
+     * @param string $cname
+     * @return id/error
      */
-    function addClass($cname)
+    public function addClass($cname)
     {
         $id = $this->dbc->nextId("{$this->treeTable}_id_seq");
         if (PEAR::isError($id)) {
@@ -58,12 +70,12 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Remove class by name
+     * Remove class by name
      *
-     *   @param cname string
-     *   @return boolean/err
+     * @param string $cname
+     * @return boolean/err
      */
-    function removeClass($cname)
+    public function removeClass($cname)
     {
         $cid = $this->getClassId($cname);
         if (PEAR::isError($cid)) {
@@ -74,12 +86,12 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Remove class by id
+     * Remove class by id
      *
-     *   @param cid int
-     *   @return boolean/err
+     * @param int $cid
+     * @return boolean/err
      */
-    function removeClassById($cid)
+    public function removeClassById($cid)
     {
         $r = $this->dbc->query("DELETE FROM {$this->cmembTable}
             WHERE cid=$cid");
@@ -96,13 +108,13 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Add object to class
+     * Add object to class
      *
-     *   @param cid int
-     *   @param oid int
-     *   @return boolean/err
+     * @param int $cid
+     * @param int $oid
+     * @return boolean/err
      */
-    function addObj2Class($cid, $oid)
+    public function addObj2Class($cid, $oid)
     {
         $r = $this->dbc->query("INSERT INTO {$this->cmembTable} (cid, objid)
             VALUES ($cid, $oid)");
@@ -114,13 +126,13 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Remove object from class
+     * Remove object from class
      *
-     *   @param oid int
-     *   @param cid int, optional, default: remove obj from all classes
-     *   @return boolean/err
+     * @param int $oid
+     * @param int $cid, optional, default: remove obj from all classes
+     * @return boolean/err
      */
-    function removeObjFromClass($oid, $cid=NULL)
+    public function removeObjFromClass($oid, $cid=NULL)
     {
         $r = $this->dbc->query("DELETE FROM {$this->cmembTable}
             WHERE objid=$oid".(is_null($cid)? '':" AND cid=$cid"));
@@ -134,12 +146,12 @@ class ObjClasses extends M2tree{
     /* ---------------------------------------------------------- object tree */
 
     /**
-     *   Remove object from all classes and remove object itself
+     * Remove object from all classes and remove object itself
      *
-     *   @param id int
-     *   @return boolean/err
+     * @param int $id
+     * @return boolean/err
      */
-    function removeObj($id)
+    public function removeObj($id)
     {
         $r = $this->removeObjFromClass($id);
         if (PEAR::isError($r)) {
@@ -152,12 +164,12 @@ class ObjClasses extends M2tree{
     /* --------------------------------------------------------- info methods */
 
     /**
-     *   Get class id from name
+     * Get class id from name
      *
-     *   @param cname string
-     *   @return int/err
+     * @param string $cname
+     * @return int/err
      */
-    function getClassId($cname)
+    public function getClassId($cname)
     {
         $cname = pg_escape_string($cname);
         return $this->dbc->getOne($query = "SELECT id FROM {$this->classTable}
@@ -166,12 +178,12 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Get class name from id
+     * Get class name from id
      *
-     *   @param id int
-     *   @return string/err
+     * @param int $id
+     * @return string/err
      */
-    function getClassName($id)
+    public function getClassName($id)
     {
         return $this->dbc->getOne(
             $query = "SELECT cname FROM {$this->classTable} WHERE id=$id");
@@ -179,12 +191,12 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Return true is object is class
+     * Return true is object is class
      *
-     *   @param id int
-     *   @return boolean/err
+     * @param int $id
+     * @return boolean/err
      */
-    function isClass($id)
+    public function isClass($id)
     {
         $r = $this->dbc->getOne("SELECT count(*) FROM {$this->classTable}
             WHERE id=$id");
@@ -196,23 +208,23 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Return all classes
+     * Return all classes
      *
-     *   @return array/err
+     * @return array/err
      */
-    function getClasses()
+    public function getClasses()
     {
         return $this->dbc->getAll("SELECT * FROM {$this->classTable}");
     }
 
 
     /**
-     *   Return all objects in class
+     * Return all objects in class
      *
-     *   @param id int
-     *   @return array/err
+     * @param int $id
+     * @return array/err
      */
-    function listClass($id)
+    public function listClass($id)
     {
         return $this->dbc->getAll("
             SELECT t.* FROM {$this->cmembTable} cm, {$this->treeTable} t
@@ -223,13 +235,15 @@ class ObjClasses extends M2tree{
     /* =============================================== test and debug methods */
 
     /**
-     *   Dump all classes fot debug
+     * Dump all classes for debug
      *
-     *   @param indstr string    // indentation string
-     *   @param ind string       // aktual indentation
-     *   @return string
+     * @param string $indstr
+     * 		indentation string
+     * @param string $ind
+     * 		actual indentation
+     * @return string
      */
-    function dumpClasses($indstr='    ', $ind='')
+    public function dumpClasses($indstr='    ', $ind='')
     {
         $r = $ind.join(', ', array_map(
             create_function('$v', 'return "{$v[\'cname\']} ({$v[\'cnt\']})";'),
@@ -244,10 +258,10 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Delete all classes and membeship records
-     *
+     * Delete all classes and membeship records
+     * @return void
      */
-    function deleteData()
+    public function deleteData()
     {
         $this->dbc->query("DELETE FROM {$this->cmembTable}");
         $this->dbc->query("DELETE FROM {$this->classTable}");
@@ -256,10 +270,10 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Insert test data
+     * Insert test data
      *
      */
-    function testData()
+    public function testData()
     {
         parent::testData();
         $o['cl_sa'] = $this->addClass('Sections a');
@@ -273,10 +287,10 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Make basic test
+     * Make basic test
      *
      */
-    function test()
+    public function test()
     {
         if (PEAR::isError($p = parent::test())) {
         	return $p;
@@ -303,10 +317,10 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Create tables + initialize
+     * Create tables + initialize
      *
      */
-    function install()
+    public function install()
     {
         parent::install();
         $this->dbc->query("CREATE TABLE {$this->classTable} (
@@ -328,10 +342,10 @@ class ObjClasses extends M2tree{
 
 
     /**
-     *   Drop tables etc.
+     * Drop tables etc.
      *
      */
-    function uninstall()
+    public function uninstall()
     {
         $this->dbc->query("DROP TABLE {$this->classTable}");
         $this->dbc->query("DROP TABLE {$this->cmembTable}");
diff --git a/campcaster/src/modules/alib/var/example/alibExPerms.php b/campcaster/src/modules/alib/var/example/alibExPerms.php
index 7d8c66835..d06ec52e2 100644
--- a/campcaster/src/modules/alib/var/example/alibExPerms.php
+++ b/campcaster/src/modules/alib/var/example/alibExPerms.php
@@ -1,20 +1,19 @@
 <?php
 /**
- * @author $Author$
  * @version  $Revision$
  */
 
-require_once "alib_h.php";
-require_once "alibExTestAuth.php";
+require_once("alib_h.php");
+require_once("alibExTestAuth.php");
 
-if(isset($_GET['id']) && is_numeric($_GET['id'])){
+if (isset($_GET['id']) && is_numeric($_GET['id'])) {
     $id = $_GET['id'];
-}else{
+} else {
     $id = $alib->getRootNode();
 }
 
 // prefill data structure for template
-if(!$alib->isClass($id)){
+if (!$alib->isClass($id)) {
     $d = array(
         'path'      => $alib->getPath($id, 'id,name'),
         'perms'     => $alib->getObjPerms($id),
@@ -23,7 +22,7 @@ if(!$alib->isClass($id)){
         'id'        => $id,
         'loggedAs'  => $login
     );
-}else{
+} else {
     $d = array(
         'path'      => '',
         'name'      => $alib->getClassName($id),
@@ -36,7 +35,7 @@ if(!$alib->isClass($id)){
 }
 $d['msg'] = $_SESSION['alertMsg']; unset($_SESSION['alertMsg']);
 
-require_once "alib_f.php";
+require_once("alib_f.php");
 // template follows:
 ?>
 <html><head>
diff --git a/campcaster/src/modules/alib/var/example/alib_h.php b/campcaster/src/modules/alib/var/example/alib_h.php
index edee803e2..623d54ff9 100644
--- a/campcaster/src/modules/alib/var/example/alib_h.php
+++ b/campcaster/src/modules/alib/var/example/alib_h.php
@@ -27,5 +27,5 @@ function errCallback($err)
 
 $dbc = DB::connect($config['dsn'], TRUE);
 $dbc->setFetchMode(DB_FETCHMODE_ASSOC);
-$alib =& new Alib($dbc, $config);
+$alib = new Alib($dbc, $config);
 ?>
\ No newline at end of file
diff --git a/campcaster/src/modules/alib/var/install/install.php b/campcaster/src/modules/alib/var/install/install.php
index 941c73efc..7982c15fe 100644
--- a/campcaster/src/modules/alib/var/install/install.php
+++ b/campcaster/src/modules/alib/var/install/install.php
@@ -29,7 +29,7 @@ $dbc->setErrorHandling(PEAR_ERROR_RETURN);
 #$$dbc->setErrorHandling(PEAR_ERROR_DIE, "%s<hr>\n");
 $dbc->setFetchMode(DB_FETCHMODE_ASSOC);
 
-$alib =& new Alib($dbc, $config);
+$alib = new Alib($dbc, $config);
 
 echo "\n\n======\n".
     "This is Alib standalone installation script, it is NOT needed to run ".
diff --git a/campcaster/src/modules/alib/var/install/uninstall.php b/campcaster/src/modules/alib/var/install/uninstall.php
index e1906f487..2b0c55f6a 100644
--- a/campcaster/src/modules/alib/var/install/uninstall.php
+++ b/campcaster/src/modules/alib/var/install/uninstall.php
@@ -28,7 +28,7 @@ if(PEAR::isError($dbc)){
 #PEAR::setErrorHandling(PEAR_ERROR_PRINT, "%s<hr>\n");
 $dbc->setErrorHandling(PEAR_ERROR_RETURN);
 $dbc->setFetchMode(DB_FETCHMODE_ASSOC);
-$alib =& new Alib($dbc, $config);
+$alib = new Alib($dbc, $config);
 
 #    $dbc->setErrorHandling(PEAR_ERROR_RETURN);
 echo "Trying to uninstall all ...\n";
diff --git a/campcaster/src/modules/alib/var/m2tree.php b/campcaster/src/modules/alib/var/m2tree.php
index b5b5b9730..a0f2ff689 100644
--- a/campcaster/src/modules/alib/var/m2tree.php
+++ b/campcaster/src/modules/alib/var/m2tree.php
@@ -22,10 +22,14 @@ define('ALIBERR_MTREE', 10);
  *    );
  *   </code></pre>
  *
- * @author  $Author$
+ * @author Tomas Hlava <th@red2head.com>
+ * @author Paul Baranowski <paul@paulbaranowski.org>
  * @version $Revision$
  * @package Campcaster
  * @subpackage Alib
+ * @copyright 2006 MDLF, Inc.
+ * @license http://www.gnu.org/licenses/gpl.txt
+ * @link http://www.campware.org
  * @see ObjClasses
  *
  * Original author Tom Hlava
@@ -34,27 +38,27 @@ class M2tree {
     /**
      *  Database object container
      */
-    var $dbc;
+    public $dbc;
 
     /**
      *  Configuration tree
      */
-    var $config;
+    public $config;
 
     /**
      *  Tree table name
      */
-    var $treeTable;
+    protected $treeTable;
 
     /**
      *  Structure table name
      */
-    var $structTable;
+    protected $structTable;
 
     /**
      *  Root node name
      */
-    var $rootNodeName;
+    private $rootNodeName;
 
     /**
      * Constructor
@@ -62,9 +66,9 @@ class M2tree {
      * @param DB $dbc
      * @param array $config
      */
-    function M2tree(&$dbc, $config)
+    public function __construct(&$dbc, $config)
     {
-        $this->dbc =& $dbc;
+        $this->dbc = $dbc;
         $this->config = $config;
         $this->treeTable = $config['tblNamePrefix'].'tree';
         $this->structTable = $config['tblNamePrefix'].'struct';
@@ -86,7 +90,7 @@ class M2tree {
      * @return mixed
      * 		int/err - new id of inserted object or PEAR::error
      */
-    function addObj($name, $type, $parid = NULL)
+    public function addObj($name, $type, $parid = NULL)
     {
         if ( ($name == '') || ($type == '') ) {
             return $this->dbc->raiseError("M2tree::addObj: Wrong name or type", ALIBERR_MTREE);
@@ -154,7 +158,7 @@ class M2tree {
      * @return mixed
      * 		boolean/err - TRUE or PEAR::error
      */
-    function removeObj($oid)
+    public function removeObj($oid)
     {
         if ($oid == $this->getRootNode()) {
             return $this->dbc->raiseError(
@@ -202,7 +206,7 @@ class M2tree {
      * @return mixed
      * 		int/err - new id of inserted object or PEAR::error
      */
-    function copyObj($oid, $newParid, $after=NULL)
+    protected function copyObj($oid, $newParid, $after=NULL)
     {
         if (TRUE === ($r = $this->isChildOf($newParid, $oid, TRUE))) {
             return $this->dbc->raiseError(
@@ -264,7 +268,7 @@ class M2tree {
      * 		dummy argument for back-compatibility
      *  @return boolean/err
      */
-    function moveObj($oid, $newParid, $after=NULL)
+    public function moveObj($oid, $newParid, $after=NULL)
     {
         if (TRUE === (
                 $r = $this->isChildOf($newParid, $oid, TRUE)
@@ -325,7 +329,7 @@ class M2tree {
      * 		new name
      * @return TRUE/PEAR_Error
      */
-    function renameObj($oid, $newName)
+    public function renameObj($oid, $newName)
     {
         // get parent id:
         $parid = $this->getParent($oid);
@@ -365,7 +369,7 @@ class M2tree {
      * @return mixed
      * 		int/null/err - child id (if found) or null or PEAR::error
      */
-    function getObjId($name, $parId = null)
+    public function getObjId($name, $parId = null)
     {
         if ( ($name == '') && is_null($parId)) {
             $name = $this->rootNodeName;
@@ -394,7 +398,7 @@ class M2tree {
      * @return mixed
      * 		string/err
      */
-    function getObjName($oid, $fld='name')
+    public function getObjName($oid, $fld='name')
     {
         $r = $this->dbc->getOne("
             SELECT $fld FROM {$this->treeTable}
@@ -410,7 +414,7 @@ class M2tree {
      * @param int $oid
      * @return string/err
      */
-    function getObjType($oid)
+    public function getObjType($oid)
     {
         return $this->getObjName($oid, 'type');
     } // fn getObjType
@@ -422,7 +426,7 @@ class M2tree {
      * @param int $oid
      * @return int/err
      */
-    function getParent($oid)
+    public function getParent($oid)
     {
         $r = $this->dbc->getOne("
             SELECT parid FROM {$this->structTable}
@@ -441,7 +445,7 @@ class M2tree {
      * 		flag for include specified object to the path
      * @return array/err
      */
-    function getPath($oid, $flds='id', $withSelf=TRUE)
+    public function getPath($oid, $flds='id', $withSelf=TRUE)
     {
         $path = $this->dbc->getAll("
             SELECT $flds
@@ -477,7 +481,7 @@ class M2tree {
      * 		fieldname for order by clause
      * @return array/err
      */
-    function getDir($oid, $flds='id', $order='name')
+    public function getDir($oid, $flds='id', $order='name')
     {
         $r = $this->dbc->getAll("
             SELECT $flds
@@ -502,7 +506,7 @@ class M2tree {
      *      (if NULL - use root of whole tree)
      * @return hash-array with field name/value pairs
      */
-    function getObjLevel($oid, $flds='level', $rootId=NULL)
+    public function getObjLevel($oid, $flds='level', $rootId=NULL)
     {
         if (is_null($rootId)) {
             $rootId = $this->getRootNode();
@@ -533,7 +537,7 @@ class M2tree {
      * @return mixed
      * 		array/err
      */
-    function getSubTree($oid=NULL, $withRoot=FALSE, $rootId=NULL)
+    public function getSubTree($oid=NULL, $withRoot=FALSE, $rootId=NULL)
     {
         if (is_null($oid)) $oid = $this->getRootNode();
         if (is_null($rootId)) $rootId = $oid;
@@ -575,7 +579,7 @@ class M2tree {
      * 		test indirect or only direct relation
      * @return boolean
      */
-    function isChildOf($oid, $parid, $indirect=FALSE)
+    public function isChildOf($oid, $parid, $indirect=FALSE)
     {
         if (!$indirect) {
             $paridD = $this->getParent($oid);
@@ -603,7 +607,7 @@ class M2tree {
      *
      * @return int/err
      */
-    function getRootNode()
+    public function getRootNode()
     {
         return $this->getObjId($this->rootNodeName);
     } // fn getRootNode
@@ -614,7 +618,7 @@ class M2tree {
      *
      * @return array/err
      */
-    function getAllObjects()
+    public function getAllObjects()
     {
         return $this->dbc->getAll(
             "SELECT * FROM {$this->treeTable}"
@@ -634,7 +638,7 @@ class M2tree {
      * @param string $type
      * @return array
      */
-    function getAllowedChildTypes($type)
+    public function getAllowedChildTypes($type)
     {
         return $this->config['objtypes'][$type];
     } // fn getAllowedChildTypes
@@ -650,7 +654,7 @@ class M2tree {
      * 		object id
      * @return boolean
      */
-    function _cutSubtree($oid)
+    private function _cutSubtree($oid)
     {
         $lvl = $this->getObjLevel($oid);
         if ($this->dbc->isError($lvl)) {
@@ -684,7 +688,7 @@ class M2tree {
      * 		destination object id
      * @return boolean
      */
-    function _pasteSubtree($oid, $newParid)
+    private function _pasteSubtree($oid, $newParid)
     {
         $dataArr = array();
         // build data ($dataArr) for INSERT:
@@ -720,7 +724,7 @@ class M2tree {
      * 		error object or error message
      * @return err
      */
-    function _dbRollback($r)
+    private function _dbRollback($r)
     {
         $this->dbc->query("ROLLBACK");
         if ($this->dbc->isError($r)) {
@@ -747,7 +751,7 @@ class M2tree {
      * 		actual indentation
      * @return string
      */
-    function dumpTree($oid=NULL, $indstr='    ', $ind='',
+    public function dumpTree($oid=NULL, $indstr='    ', $ind='',
         $format='{name}({id})', $withRoot=TRUE)
     {
         $r='';
@@ -768,7 +772,7 @@ class M2tree {
      * Create tables + initialize root node
      * @return err/void
      */
-    function install()
+    public function install()
     {
         $r = $this->dbc->query("BEGIN");
         if (PEAR::isError($r)) {
@@ -871,7 +875,7 @@ class M2tree {
      * Drop all tables and sequences.
      * @return void
      */
-    function uninstall()
+    public function uninstall()
     {
         $this->dbc->query("DROP TABLE {$this->structTable}");
         $this->dbc->dropSequence("{$this->structTable}_id_seq");
@@ -884,7 +888,7 @@ class M2tree {
      * Uninstall and install.
      * @return void
      */
-    function reinstall()
+    public function reinstall()
     {
         $this->uninstall();
         $this->install();
@@ -895,7 +899,7 @@ class M2tree {
      * Clean up tree - delete all except the root node.
      * @return err/void
      */
-    function reset()
+    public function reset()
     {
         $rid = $this->getRootNode();
         if ($this->dbc->isError($rid)) {
@@ -913,27 +917,27 @@ class M2tree {
 
 
     /**
-     *  Insert test data to the tree.
-     *  Only for compatibility with previous mtree - will be removed.
+     * Insert test data to the tree.
+     * Only for compatibility with previous mtree - will be removed.
      *
-     *  @return array
+     * @return array
      */
-    function test()
+    public function test()
     {
         require_once "m2treeTest.php";
-        $mt = &new M2treeTest($this->dbc, $this->config);
+        $mt = new M2treeTest($this->dbc, $this->config);
         $r = $mt->_test();
         return $r;
     } // fn test
 
 
     /**
-     *  Insert test data to the tree.
-     *  Only for compatibility with previous mtree - will be removed.
+     * Insert test data to the tree.
+     * Only for compatibility with previous mtree - will be removed.
      *
-     *  @return array
+     * @return array
      */
-    function testData()
+    public function testData()
     {
         $o['root'] = $this->getRootNode();
         $o['pa'] = $this->addObj('Publication A', 'Publication', $o['root']);
diff --git a/campcaster/src/modules/alib/var/m2treeTestRunner.php b/campcaster/src/modules/alib/var/m2treeTestRunner.php
index b86e8ebb5..bb403ba8d 100644
--- a/campcaster/src/modules/alib/var/m2treeTestRunner.php
+++ b/campcaster/src/modules/alib/var/m2treeTestRunner.php
@@ -20,7 +20,7 @@ function errCallback($err)
 $dbc = DB::connect($config['dsn'], TRUE);
 $dbc->setFetchMode(DB_FETCHMODE_ASSOC);
 
-$m2 = &new M2treeTest($dbc, $config);
+$m2 = new M2treeTest($dbc, $config);
 #$m2->uninstall();
 #exit;
 #$r = $m2->install(); if($dbc->isError($r)){ echo $r->getMessage()."\n".$r->getUserInfo()."\n"; exit; }
diff --git a/campcaster/src/modules/alib/var/subj.php b/campcaster/src/modules/alib/var/subj.php
index 6dce75e76..5bf68ad49 100644
--- a/campcaster/src/modules/alib/var/subj.php
+++ b/campcaster/src/modules/alib/var/subj.php
@@ -1,5 +1,5 @@
 <?php
-require_once "class.php";
+require_once("class.php");
 define('ALIBERR_NOTGR', 20);
 define('ALIBERR_BADSMEMB', 21);
 
@@ -10,16 +10,32 @@ define('ALIBERR_BADSMEMB', 21);
  * with "linearized recursive membership" ;)
  *   (allow adding users to groups or groups to groups)
  *
- * @author  $Author$
+ * @author Tomas Hlava <th@red2head.com>
+ * @author Paul Baranowski <paul@paulbaranowski.org>
  * @version $Revision$
  * @package Campcaster
  * @subpackage Alib
+ * @copyright 2006 MDLF, Inc.
+ * @license http://www.gnu.org/licenses/gpl.txt
+ * @link http://www.campware.org
  * @see ObjClasses
  * @see Alib
  */
 class Subjects extends ObjClasses {
-    var $subjTable;
-    var $smembTable;
+	/**
+	 * The name of the 'Subjects' database table.
+	 *
+	 * @var string
+	 */
+    public $subjTable;
+
+    /**
+     * The name of a database table.
+     *
+     * @var string
+     */
+    public $smembTable;
+
 
     /**
      * Constructor
@@ -28,9 +44,9 @@ class Subjects extends ObjClasses {
      * @param array $config
      * @return this
      */
-    function Subjects(&$dbc, $config)
+    public function __construct(&$dbc, $config)
     {
-        parent::ObjClasses($dbc, $config);
+        parent::__construct($dbc, $config);
         $this->subjTable = $config['tblNamePrefix'].'subjs';
         $this->smembTable = $config['tblNamePrefix'].'smemb';
     } // constructor
@@ -43,14 +59,12 @@ class Subjects extends ObjClasses {
      *
      * @param string $login
      * @param string $pass
-     * 		optional
      * @param string $realname
-     * 		optional
      * @param boolean $passenc
-     * 		optional, password already encrypted if true
+     * 		password already encrypted if true
      * @return int/err
      */
-    function addSubj($login, $pass=NULL, $realname='', $passenc=FALSE)
+    public function addSubj($login, $pass=NULL, $realname='', $passenc=FALSE)
     {
         if(!$login) {
             return $this->dbc->raiseError(get_class($this)."::addSubj: empty login");
@@ -82,7 +96,7 @@ class Subjects extends ObjClasses {
      * 		optional, default: null
      * @return boolean/err
      */
-    function removeSubj($login, $uid=NULL)
+    public function removeSubj($login, $uid=NULL)
     {
         if (is_null($uid)) {
             $uid = $this->getSubjId($login);
@@ -114,7 +128,7 @@ class Subjects extends ObjClasses {
      * 		optional
      * @return boolean/int/err
      */
-    function authenticate($login, $pass='')
+    public function authenticate($login, $pass='')
     {
         $cpass = md5($pass);
         $sql = "SELECT id FROM {$this->subjTable}
@@ -135,7 +149,7 @@ class Subjects extends ObjClasses {
      * 		true=> set lastfail, false=> set lastlogin
      * @return boolean/int/err
      */
-    function setTimeStamp($login, $failed=FALSE)
+    public function setTimeStamp($login, $failed=FALSE)
     {
         $fld = ($failed ? 'lastfail' : 'lastlogin');
         $sql = "UPDATE {$this->subjTable} SET $fld=now()
@@ -160,7 +174,7 @@ class Subjects extends ObjClasses {
      * 		optional, password already encrypted if true
      * @return boolean/err
      */
-    function passwd($login, $oldpass=null, $pass='', $passenc=FALSE)
+    public function passwd($login, $oldpass=null, $pass='', $passenc=FALSE)
     {
         if (!$passenc) {
             $cpass = md5($pass);
@@ -193,7 +207,7 @@ class Subjects extends ObjClasses {
      * @param string $gname
      * @return int/err
      */
-    function addSubj2Gr($login, $gname)
+    public function addSubj2Gr($login, $gname)
     {
         $uid = $this->getSubjId($login);
         if (PEAR::isError($uid)) {
@@ -238,7 +252,7 @@ class Subjects extends ObjClasses {
      * @param string $gname
      * @return boolean/err
      */
-    function removeSubjFromGr($login, $gname)
+    public function removeSubjFromGr($login, $gname)
     {
         $uid = $this->getSubjId($login);
         if (PEAR::isError($uid)) {
@@ -279,7 +293,7 @@ class Subjects extends ObjClasses {
      * @param string $login
      * @return int/err
      */
-    function getSubjId($login)
+    public function getSubjId($login)
     {
         $sql = "SELECT id FROM {$this->subjTable}
             WHERE login='$login'";
@@ -294,7 +308,7 @@ class Subjects extends ObjClasses {
      * @param string $fld
      * @return string/err
      */
-    function getSubjName($id, $fld='login')
+    public function getSubjName($id, $fld='login')
     {
         $sql = "SELECT $fld FROM {$this->subjTable}
             WHERE id='$id'";
@@ -305,10 +319,10 @@ class Subjects extends ObjClasses {
     /**
      * Get all subjects
      *
-     * @param string $flds, optional
+     * @param string $flds
      * @return array/err
      */
-    function getSubjects($flds='id, login')
+    public function getSubjects($flds='id, login')
     {
         $sql = "SELECT $flds FROM {$this->subjTable}";
         return $this->dbc->getAll($sql);
@@ -320,7 +334,7 @@ class Subjects extends ObjClasses {
      *
      * @return array/err
      */
-    function getSubjectsWCnt()
+    public function getSubjectsWCnt()
     {
         $sql = "
             SELECT count(m.uid)as cnt, s.id, s.login, s.type
@@ -339,7 +353,7 @@ class Subjects extends ObjClasses {
      * @param int $gid
      * @return boolean/err
      */
-    function isGroup($gid)
+    public function isGroup($gid)
     {
         $sql = "SELECT type FROM {$this->subjTable}
             WHERE id='$gid'";
@@ -357,7 +371,7 @@ class Subjects extends ObjClasses {
      * @param int $gid
      * @return array/err
      */
-    function listGroup($gid)
+    public function listGroup($gid)
     {
         $sql = "SELECT s.id, s.login, s.type
             FROM {$this->smembTable} m, {$this->subjTable} s
@@ -375,7 +389,7 @@ class Subjects extends ObjClasses {
      * 		local group id
      * @return boolean
      */
-    function isMemberOf($uid, $gid)
+    public function isMemberOf($uid, $gid)
     {
         $sql = "
             SELECT count(*)as cnt
@@ -398,12 +412,10 @@ class Subjects extends ObjClasses {
      * @param int $uid
      * @param int $gid
      * @param int $level
-     * 		optional
      * @param int $mid
-     * 		optional
      * @return int/err
      */
-    function _addMemb($uid, $gid, $level=0, $mid='null')
+    private function _addMemb($uid, $gid, $level=0, $mid='null')
     {
         if($uid == $gid)  {
             return PEAR::raiseError("Subjects::_addMemb: uid==gid ($uid)", ALIBERR_BADSMEMB);
@@ -447,9 +459,9 @@ class Subjects extends ObjClasses {
      * Remove membership record
      *
      * @param int $mid
-     * @return null/err
+     * @return null|PEAR_Error
      */
-    function _removeMemb($mid)
+    private function _removeMemb($mid)
     {
         $sql = "DELETE FROM {$this->smembTable}
             WHERE id='$mid'";
@@ -462,10 +474,9 @@ class Subjects extends ObjClasses {
      *
      * @param int $gid
      * @param int $uid
-     * 		optional
-     * @return array/err
+     * @return array|PEAR_Error
      */
-    function _listMemb($gid, $uid=NULL)
+    private function _listMemb($gid, $uid=NULL)
     {
         $sql = "
             SELECT id, uid, level FROM {$this->smembTable}
@@ -479,10 +490,9 @@ class Subjects extends ObjClasses {
      *
      * @param int $gid
      * @param int $uid
-     * 		optional
      * @return array/err
      */
-    function _listRMemb($uid, $gid=NULL)
+    private function _listRMemb($uid, $gid=NULL)
     {
         $sql = "
             SELECT id, gid, level FROM {$this->smembTable}
@@ -497,10 +507,10 @@ class Subjects extends ObjClasses {
      * @param int $uid
      * @param int $gid
      * @param int $level
-     * @param int $rmid             //
-     * @return int/err
+     * @param int $rmid
+     * @return int|PEAR_Error
      */
-    function _plainAddSubj2Gr($uid, $gid, $level=0, $rmid='null')
+    private function _plainAddSubj2Gr($uid, $gid, $level=0, $rmid='null')
     {
         $mid = $this->_addMemb($uid, $gid, $level, $rmid);
         if (PEAR::isError($mid)) {
@@ -526,9 +536,9 @@ class Subjects extends ObjClasses {
      * Rebuild indirect membership records<br>
      * it's probably more complicated to do removing without rebuild ...
      *
-     * @return true/err
+     * @return true|PEAR_Error
      */
-    function _rebuildRels()
+    private function _rebuildRels()
     {
         $this->dbc->query("BEGIN");
         $r = $this->dbc->query("LOCK TABLE {$this->smembTable}");
@@ -575,7 +585,7 @@ class Subjects extends ObjClasses {
      * 		actual indentation
      * @return string
      */
-    function dumpSubjects($indstr='    ', $ind='')
+    public function dumpSubjects($indstr='    ', $ind='')
     {
         $r = $ind.join(', ', array_map(
             create_function('$v', 'return "{$v[\'login\']}({$v[\'cnt\']})";'),
@@ -590,7 +600,7 @@ class Subjects extends ObjClasses {
      *
      * @return void
      */
-    function deleteData()
+    public function deleteData()
     {
         $this->dbc->query("DELETE FROM {$this->subjTable}");
         $this->dbc->query("DELETE FROM {$this->smembTable}");
@@ -603,7 +613,7 @@ class Subjects extends ObjClasses {
      *
      * @return array
      */
-    function testData()
+    public function testData()
     {
         parent::testData();
         $o['root'] = $this->addSubj('root', 'q');
@@ -631,7 +641,7 @@ class Subjects extends ObjClasses {
      * Make basic test
      *
      */
-    function test()
+    public function test()
     {
         if (PEAR::isError($p = parent::test())) {
             return $p;
@@ -665,7 +675,7 @@ class Subjects extends ObjClasses {
      * Create tables + initialize
      *
      */
-    function install()
+    public function install()
     {
         parent::install();
         $this->dbc->query("CREATE TABLE {$this->subjTable} (
@@ -701,7 +711,7 @@ class Subjects extends ObjClasses {
      *
      * @return void
      */
-    function uninstall()
+    public function uninstall()
     {
         $this->dbc->query("DROP TABLE {$this->subjTable}");
         $this->dbc->dropSequence("{$this->subjTable}_id_seq");
diff --git a/campcaster/src/modules/alib/var/xmlrpc/alib_xr.php b/campcaster/src/modules/alib/var/xmlrpc/alib_xr.php
index 711600ea1..1fee1f3f9 100644
--- a/campcaster/src/modules/alib/var/xmlrpc/alib_xr.php
+++ b/campcaster/src/modules/alib/var/xmlrpc/alib_xr.php
@@ -87,7 +87,7 @@ class XR_Alib extends Alib{
  }
 }
 
-$alib = &new XR_Alib($dbc, $config);
+$alib = new XR_Alib($dbc, $config);
 
 $s=new xmlrpc_server( array(
 	"alib.xrTest" => array(