public function loadRole()
 {
     global $db;
     //getRoles
     $r2a = new Role2Account();
     $role2acc = $r2a->getRoles($this->admin_id);
     $_SESSION["roles"] = array();
     foreach ($role2acc as $x) {
         $role = $x->role_id;
         if (!in_array($role, $_SESSION["roles"]) && isset($role)) {
             $_SESSION["roles"][] = $role;
         }
     }
     /*
      * LOAD smaller roles
      */
     $r2r = new Role2Role();
     $udahdi = array();
     $sem = sizeof($_SESSION['roles']) ? $_SESSION["roles"] : array();
     while (sizeof($sem) > 0) {
         $r = array_pop($sem);
         if (!in_array($r, $udahdi)) {
             $role2role = $r2r->getSmallerRoles($r);
             foreach ($role2role as $ri) {
                 if (!in_array($ri->role_small, $_SESSION["roles"]) && $ri->role_small != "") {
                     $_SESSION["roles"][] = $ri->role_small;
                     $sem[] = $ri->role_small;
                 }
             }
             $udahdi[] = $r;
         }
     }
     $this->roles = $_SESSION['roles'];
 }