- OO version of user class

- no more duplicated functions
- improved performances (much less duplicated mysql queries)
- less code and better error handling

include/form_edit.php

@@ -23,7 +23,7 @@
 </tr>
 <?php
 // if we manage another user we can give him administrator rights
-if($iUserId == $_REQUEST['userId'])
+if($oUser->iUserId == $_REQUEST['userId'])
 {
 ?>
 <tr>