diff --git a/core/trunk/core/class/SecurityControler.php b/core/trunk/core/class/SecurityControler.php
index f24c22cc318f139562ecf1ea3fdf2368834f6a10..336d5ccf3c3655b0541a2df1f623e8af59943115 100644
--- a/core/trunk/core/class/SecurityControler.php
+++ b/core/trunk/core/class/SecurityControler.php
@@ -39,15 +39,16 @@ define("_CODE_INCREMENT",1);
 
 // Loads the required class
 try {
-    require_once("core/core_tables.php");
-    require_once("core/class/class_db.php");
-    require_once("core/class/users_controler.php");
-    require_once("core/class/session_security_controler.php");
-    require_once("core/class/Security.php");
-    if(!defined("_CLASSIFICATION_SCHEME_VIEW")) define("_CLASSIFICATION_SCHEME_VIEW","mr_classification_scheme_view");
-//  require_once("apps/".$_SESSION['businessapps'][0]['appid']."/security_bitmask.php"); must be called in the controler
+    require_once('core/core_tables.php');
+    require_once('core/class/class_db.php');
+    require_once('core/class/users_controler.php');
+    require_once('core/class/session_security_controler.php');
+    require_once('core/class/Security.php');
+    if (!defined('_CLASSIFICATION_SCHEME_VIEW')) {
+        define('_CLASSIFICATION_SCHEME_VIEW', 'mr_classification_scheme_view');
+    }
 } catch (Exception $e){
-    echo $e->getMessage().' // ';
+    echo $e->getMessage() . ' // ';
 }
 
 /**
@@ -56,7 +57,8 @@ try {
 *<ul>
 *  <li>Get an security object from an id</li>
 *  <li>Save in the database a security</li>
-*  <li>Manage the operation on the security table in the database (insert, select, update, delete)</li>
+*  <li>Manage the operation on the security table in the database
+*  	(insert, select, update, delete)</li>
 *</ul>
 * @ingroup core
 */
@@ -459,7 +461,7 @@ class SecurityControler
     {
         $tab['collections'] = array();
         $tab['security'] = array();
-
+        $func = new functions();
         self::connect();
 
         if($user_id == "superadmin")
@@ -476,7 +478,8 @@ class SecurityControler
         }
         else
         {
-            $groups = users_controler::getGroups($user_id);
+            $uc = new users_controler();
+            $groups = $uc->getGroups($user_id);
 
             $access = array();
             for($i=0; $i<count($groups); $i++)
@@ -504,7 +507,7 @@ class SecurityControler
                 if(trim($where_clause) == "")
                     $where = "-1";
                 else
-                    $where =  "( ".$this->show_string($where_clause)." )";
+                    $where =  "( ".$func->show_string($where_clause)." )";
 
                 if( ! in_array($coll_id, $tab['collections'] ) )
                 {
@@ -575,8 +578,9 @@ class SecurityControler
      */
     public function getActions($user_id,$object_id, $object_type = 'aggregation')
     {
+        $Ctrl = new session_security_controler();
         // Select from security session table
-        $session_sec = session_security_controler::get($user_id);
+        $session_sec = $Ctrl->get($user_id);
         if($session_sec->__get('last_object_id') == $object_id)
             return $session_sec->__get('last_available_bitmask');
         else
@@ -604,7 +608,8 @@ class SecurityControler
         }
         // Compute action bitmask
         $full_bitmask = 0;
-        $groups = users_controler::getGroups($user_id);
+        $uc = new users_controler();
+        $groups = $uc->getGroups($user_id);
         //print_r($groups);
 
         $full_where = "";
@@ -667,10 +672,11 @@ class SecurityControler
         }
 
         // Update security session table
+        $func = new functions();
         $session_security = new session_security();
-        $session_security->setArray(array('user_id' => functions::protect_string_db($user_id), 'session_begin_date' => date("Y-m-d H:i"), 'full_where_clause' => functions::protect_string_db($full_where), 'last_available_bitmask' => $full_bitmask, 'last_object_id' => functions::protect_string_db($object_id))); // TO DO : calculate the session_end_date
-
-        session_security_controler::save($session_security);
+        $session_security->setArray(array('user_id' => $func->protect_string_db($user_id), 'session_begin_date' => date("Y-m-d H:i"), 'full_where_clause' => functions::protect_string_db($full_where), 'last_available_bitmask' => $full_bitmask, 'last_object_id' => functions::protect_string_db($object_id))); // TO DO : calculate the session_end_date
+        $ctrl = new session_security_controler();
+        $ctrl->save($session_security);
 
         return $full_bitmask;
     }
diff --git a/core/trunk/core/class/ServiceControler.php b/core/trunk/core/class/ServiceControler.php
index bc4ee8f646b3de507d6baa83dce049e4adb765a3..cc852f2abdc6bcea1b04a6af970755013e06e3db 100644
--- a/core/trunk/core/class/ServiceControler.php
+++ b/core/trunk/core/class/ServiceControler.php
@@ -19,9 +19,9 @@
 */
 
 /**
-* @brief  Contains the controler of the Service Object 
-* 
-* 
+* @brief  Contains the controler of the Service Object
+*
+*
 * @file
 * @author Claire Figueras <dev@maarch.org>
 * @date $date$
@@ -46,7 +46,7 @@ try {
 }
 
 /**
-* @brief  Controler of the Service Object 
+* @brief  Controler of the Service Object
 *
 * @ingroup core
 */
@@ -56,13 +56,13 @@ class ServiceControler
 	* Dbquery object used to connnect to the database
     */
 	private static $db;
-	
+
 	/**
 	* usergroups_services table
     */
 	private static $usergroups_services_table;
-	
-	
+
+
 	/**
 	* Opens a database connexion and values the tables variables
 	*/
@@ -70,20 +70,20 @@ class ServiceControler
 	{
 		$db = new dbquery();
 		$db->connect();
-		
+
 		self::$usergroups_services_table = USERGROUPS_SERVICES_TABLE;
 		self::$db=$db;
-	}	
-	
-	
+	}
+
+
 	/**
 	* Close the database connexion
 	*/
 	public function disconnect()
 	{
 		self::$db->disconnect();
-	}	
-	
+	}
+
 	public function loadEnabledServices()
 	{
 		$_SESSION['enabled_services'] = array();
@@ -105,7 +105,7 @@ class ServiceControler
 			}
 		}
 	}
-	
+
 	/**
 	* Loads into session all the services for a user
 	*
@@ -115,6 +115,7 @@ class ServiceControler
 	public function loadUserServices($user_id)
 	{
 		$services = array();
+		$ugc = new usergroups_controler();
 		if($user_id == "superadmin")
 		{
 			$services = self::getAllServices();
@@ -134,7 +135,7 @@ class ServiceControler
 					$find = false;
 					while($res = self::$db->fetch_object())
 					{
-						if(usergroups_controler::inGroup($user_id, $res->group_id) == true)
+						if($ugc->inGroup($user_id, $res->group_id) == true)
 						{
 							$find = true;
 							break;
@@ -153,7 +154,7 @@ class ServiceControler
 		}
 		return $services;
 	}
-	
+
 		/**
 	* Loads into session all the services for the superadmin
 	*