diff --git a/bureau/class/export_account.php b/bureau/class/export_account.php
index 16735799..3296a233 100644
--- a/bureau/class/export_account.php
+++ b/bureau/class/export_account.php
@@ -1,6 +1,8 @@
+#!/usr/bin/php
 <?php
 
 // EXPERIMENTAL : user data export.
+die('Proof of concept');
 
 include("config.php");
 
@@ -10,14 +12,18 @@ $mem->su($id);
 
 $dom->lock();
 
+/*
 foreach($classes as $c) {
   if (method_exists($GLOBALS[$c],"alternc_export")) {
     $GLOBALS[$c]->alternc_export("/tmp");
   }
 }
+*/
+
+$hooks->invoke("alternc_export",array("/tmp"));
 
 $dom->unlock();
 
 $mem->unsu();
 
-?>
\ No newline at end of file
+?>
diff --git a/bureau/class/m_admin.php b/bureau/class/m_admin.php
index 2b645ede..2d675ea8 100644
--- a/bureau/class/m_admin.php
+++ b/bureau/class/m_admin.php
@@ -355,11 +355,14 @@ class m_admin {
       // Triggering hooks
       $mem->su($uid);
       // TODO: old hook method FIXME: when unused remove this
+      /*
       foreach($classes as $c) {
       	if (method_exists($GLOBALS[$c],"alternc_add_member")) {
 	        $GLOBALS[$c]->alternc_add_member();
 	      }
       }
+      */
+      $hooks->invoke("alternc_add_member");
       // New hook way
       $hooks->invoke("hook_admin_add_member");
       $mem->unsu();
@@ -544,11 +547,14 @@ EOF;
     $dom->hook_admin_del_member();
 
     // TODO: old hook method, FIXME: remove when unused
+    /*
     foreach($classes as $c) {
       if (method_exists($GLOBALS[$c],"alternc_del_member")) {
 	$GLOBALS[$c]->alternc_del_member();
       }
     }
+    */
+    $hooks->invoke("alternc_del_member");
     $hooks->invoke("hook_admin_del_member");
     
     if (($db->query("DELETE FROM membres WHERE uid='$uid';")) &&
@@ -984,14 +990,16 @@ EOF;
    * @return array an indexed array of associative array from the MySQL "policy" table
    */
   function listPasswordPolicies() {
-    global $db,$classes;
+    global $db,$classes,$hooks;
     $tmp1=array();
     $tmp2=array();
+    $tmp3=array();
     $policies=array();
     $db->query("SELECT * FROM policy;");
     while ($db->next_record()) {
       $tmp1[$db->Record["name"]]=$db->Record;
     }
+/* * /
     foreach($classes as $c) {
       if (method_exists($GLOBALS[$c],"alternc_password_policy")) {
 	$res=$GLOBALS[$c]->alternc_password_policy(); // returns an array
@@ -1000,6 +1008,13 @@ EOF;
 	}
       }
     }
+/* */
+    $tmp3=$hooks->invoke("alternc_password_policy");
+    foreach ($tmp3 as $v) {
+      foreach ($v as $l=>$m) {
+        $tmp2[$l]=$m;
+      }
+    }
     foreach($tmp2 as $k=>$v) {
       if (!isset($tmp1[$k])) {
 	// Default policy : 
diff --git a/bureau/class/m_mem.php b/bureau/class/m_mem.php
index 1dce6813..01cfec75 100644
--- a/bureau/class/m_mem.php
+++ b/bureau/class/m_mem.php
@@ -293,7 +293,7 @@ class m_mem {
    * @return boolean TRUE si la session a bien été détruite, FALSE sinon.
    */
   function del_session() {
-    global $db,$user,$err,$cuid,$classes;
+    global $db,$user,$err,$cuid,$classes,$hooks;
     $err->log("mem","del_session");
     $_COOKIE["session"]=addslashes(isset($_COOKIE["session"])?$_COOKIE["session"]:'');
     setcookie("session","",0,"/");
@@ -322,11 +322,15 @@ class m_mem {
     $err->error=0;
     
     # Invoker le logout dans toutes les autres classes
+    /*
     foreach($classes as $c) {
       if (method_exists($GLOBALS[$c],"alternc_del_session")) {
 	    $GLOBALS[$c]->alternc_del_session();
       }
     }
+    */
+    $hooks->invoke("alternc_del_session");
+    
     session_unset();
     return true;
   }