correct some problems

class/objet.php

@@ -83,7 +83,8 @@ class Objet
 
     public function insert()
     {
-        $dbName = self::dbName();
+        $class = get_called_class();
+        $dbName = $class::dbName();
         $bdd = new Db();
 
         $values = array();
@@ -162,4 +163,4 @@ class Objet
     public function getList($title, $id=null) {
         return new ListView(get_called_class(), $title, $id);
     }
-}
\ No newline at end of file
+}