diff --git a/dev/dbmodel/dolibarr_schema.mwb b/dev/dbmodel/dolibarr_schema.mwb
index 227a7e45550..39407ba5383 100644
Binary files a/dev/dbmodel/dolibarr_schema.mwb and b/dev/dbmodel/dolibarr_schema.mwb differ
diff --git a/htdocs/install/mysql/migration/2.8.0-2.9.0.sql b/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
index ebb207711be..30e52a6786e 100755
--- a/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
+++ b/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
@@ -6,10 +6,34 @@
 -- when current version is 2.8.0 or higher. 
 --
 
-
+-- rename llx_product_det
 ALTER TABLE llx_product_det RENAME TO llx_product_lang;
 ALTER TABLE llx_product_lang ADD UNIQUE INDEX uk_product_lang (fk_product, lang);
 ALTER TABLE llx_product_lang ADD CONSTRAINT fk_product_lang_fk_product 	FOREIGN KEY (fk_product) REFERENCES llx_product (rowid);
 
+-- add products variants ability
 ALTER TABLE llx_product ADD COLUMN virtual tinyint DEFAULT 0 NOT NULL AFTER tms;
 ALTER TABLE llx_product ADD COLUMN fk_parent integer DEFAULT 0 AFTER virtual;
+
+create table llx_product_variant
+(
+  rowid				integer AUTO_INCREMENT PRIMARY KEY,
+  tms				timestamp,
+  ref				varchar(64) NOT NULL,
+  entity			integer DEFAULT 1 NOT NULL, -- multi company id
+  active			tinyint DEFAULT 1 NOT NULL,
+  rang				integer DEFAULT 0
+)type=innodb;
+
+ALTER TABLE llx_product_variant ADD UNIQUE INDEX uk_product_variant_ref (ref, entity);
+
+create table llx_product_variant_lang
+(
+  rowid					integer AUTO_INCREMENT PRIMARY KEY,
+  fk_product_variant	integer			DEFAULT 0 NOT NULL,
+  lang					varchar(5)		NOT NULL,
+  label					varchar(64)		NOT NULL
+)type=innodb;
+
+ALTER TABLE llx_product_variant_lang ADD UNIQUE INDEX uk_product_variant_lang (fk_product_variant, lang);
+ALTER TABLE llx_product_variant_lang ADD CONSTRAINT fk_product_variant_lang_fk_product_variant 	FOREIGN KEY (fk_product_variant) REFERENCES llx_product_variant (rowid);
diff --git a/htdocs/install/mysql/tables/llx_product_variant.key.sql b/htdocs/install/mysql/tables/llx_product_variant.key.sql
new file mode 100644
index 00000000000..e5fa9390446
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_product_variant.key.sql
@@ -0,0 +1,23 @@
+-- ============================================================================
+-- Copyright (C) 2010 Regis Houssin  <regis@dolibarr.fr>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- ============================================================================
+
+
+ALTER TABLE llx_product_variant ADD UNIQUE INDEX uk_product_variant_ref (ref, entity);
+
diff --git a/htdocs/install/mysql/tables/llx_product_variant.sql b/htdocs/install/mysql/tables/llx_product_variant.sql
new file mode 100644
index 00000000000..4bd42d74ebe
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_product_variant.sql
@@ -0,0 +1,29 @@
+-- ============================================================================
+-- Copyright (C) 2010 Regis Houssin  <regis@dolibarr.fr>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- ============================================================================
+
+create table llx_product_variant
+(
+  rowid				integer AUTO_INCREMENT PRIMARY KEY,
+  tms				timestamp,
+  ref				varchar(64) NOT NULL,
+  entity			integer DEFAULT 1 NOT NULL, -- multi company id
+  active			tinyint DEFAULT 1 NOT NULL,
+  rang				integer DEFAULT 0
+)type=innodb;
diff --git a/htdocs/install/mysql/tables/llx_product_variant_lang.key.sql b/htdocs/install/mysql/tables/llx_product_variant_lang.key.sql
new file mode 100644
index 00000000000..6818083d2ca
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_product_variant_lang.key.sql
@@ -0,0 +1,26 @@
+-- ============================================================================
+-- Copyright (C) 2010 Regis Houssin  <regis@dolibarr.fr>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- ============================================================================
+
+
+ALTER TABLE llx_product_variant_lang ADD UNIQUE INDEX uk_product_variant_lang (fk_product_variant, lang);
+
+
+ALTER TABLE llx_product_variant_lang ADD CONSTRAINT fk_product_variant_lang_fk_product_variant 	FOREIGN KEY (fk_product_variant) REFERENCES llx_product_variant (rowid);
+
diff --git a/htdocs/install/mysql/tables/llx_product_variant_lang.sql b/htdocs/install/mysql/tables/llx_product_variant_lang.sql
new file mode 100644
index 00000000000..53fc09f6ca6
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_product_variant_lang.sql
@@ -0,0 +1,27 @@
+-- ============================================================================
+-- Copyright (C) 2010 Regis Houssin  <regis@dolibarr.fr>
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- ============================================================================
+
+create table llx_product_variant_lang
+(
+  rowid					integer AUTO_INCREMENT PRIMARY KEY,
+  fk_product_variant	integer			DEFAULT 0 NOT NULL,
+  lang					varchar(5)		NOT NULL,
+  label					varchar(64)		NOT NULL
+)type=innodb;
diff --git a/htdocs/install/mysql/tables/llx_usergroup_rights.key.sql b/htdocs/install/mysql/tables/llx_usergroup_rights.key.sql
index 1a35f711489..99234b6660f 100644
--- a/htdocs/install/mysql/tables/llx_usergroup_rights.key.sql
+++ b/htdocs/install/mysql/tables/llx_usergroup_rights.key.sql
@@ -19,7 +19,7 @@
 -- ===========================================================================
 
 
--- Supprime orhpelins pour permettre montée de la clé
+-- Supprime orhpelins pour permettre montee de la cle
 -- V4 DELETE llx_usergroup_rights FROM llx_usergroup_rights LEFT JOIN llx_usergroup ON llx_usergroup_rights.fk_usergroup = llx_usergroup.rowid WHERE llx_usergroup.rowid IS NULL;