diff --git a/plugins/admin_multi_view/language/cz_CZ/description.txt b/plugins/admin_multi_view/language/cz_CZ/description.txt
new file mode 100644
index 000000000..4dfe9ac83
--- /dev/null
+++ b/plugins/admin_multi_view/language/cz_CZ/description.txt
@@ -0,0 +1 @@
+Umožní administrátorům pracovat s galerií jako hosté, měnit jazyk a šablony vzhledu. Praktické na testování změn...
\ No newline at end of file
diff --git a/plugins/admin_multi_view/language/cz_CZ/index.php b/plugins/admin_multi_view/language/cz_CZ/index.php
new file mode 100644
index 000000000..17747c927
--- /dev/null
+++ b/plugins/admin_multi_view/language/cz_CZ/index.php
@@ -0,0 +1,30 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2010 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | 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                                          |
+// |                                                                       |
+// | 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.                                                                  |
+// +-----------------------------------------------------------------------+
+
+// Recursive call
+$url = '../';
+header( 'Request-URI: '.$url );
+header( 'Content-Location: '.$url );
+header( 'Location: '.$url );
+exit();
+?>
diff --git a/plugins/c13y_upgrade/language/cz_CZ/description.txt b/plugins/c13y_upgrade/language/cz_CZ/description.txt
new file mode 100644
index 000000000..cf8380e62
--- /dev/null
+++ b/plugins/c13y_upgrade/language/cz_CZ/description.txt
@@ -0,0 +1 @@
+Kontroluje integritu aktualizací.
\ No newline at end of file
diff --git a/plugins/c13y_upgrade/language/cz_CZ/index.php b/plugins/c13y_upgrade/language/cz_CZ/index.php
new file mode 100644
index 000000000..17747c927
--- /dev/null
+++ b/plugins/c13y_upgrade/language/cz_CZ/index.php
@@ -0,0 +1,30 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2010 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | 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                                          |
+// |                                                                       |
+// | 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.                                                                  |
+// +-----------------------------------------------------------------------+
+
+// Recursive call
+$url = '../';
+header( 'Request-URI: '.$url );
+header( 'Content-Location: '.$url );
+header( 'Location: '.$url );
+exit();
+?>
diff --git a/plugins/c13y_upgrade/language/cz_CZ/plugin.lang.php b/plugins/c13y_upgrade/language/cz_CZ/plugin.lang.php
new file mode 100644
index 000000000..2911d4fb5
--- /dev/null
+++ b/plugins/c13y_upgrade/language/cz_CZ/plugin.lang.php
@@ -0,0 +1,31 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2010 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | 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                                          |
+// |                                                                       |
+// | 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.                                                                  |
+// +-----------------------------------------------------------------------+
+
+// --------- Starting below: New or revised $lang ---- from Butterfly (1.8)
+$lang['c13y_upgrade_no_anomaly'] = 'Po aktualizaci aplikace nebyla detekována žádná anomálie. Doplněk "Kontrola aktualizací" byl deaktivován.';
+$lang['c13y_dbl_email_user'] = 'Uživatelé se stejnou e-mail adresou';
+$lang['c13y_correction_dbl_email_user'] = 'Zrušit duplicitní uživatele';
+$lang['c13y_obsolete_plugin'] = 'Zastaralý doplněk';
+$lang['c13y_correction_obsolete_plugin'] = 'Doplněk "%s" byl součástí této verze aplikace a musí být odinstalován.';
+
+?>
diff --git a/plugins/language_switch/language/cz_CZ/description.txt b/plugins/language_switch/language/cz_CZ/description.txt
new file mode 100644
index 000000000..5afcb3e73
--- /dev/null
+++ b/plugins/language_switch/language/cz_CZ/description.txt
@@ -0,0 +1 @@
+Přepíná do jiného jazyka podle vlaječek na hlavní stránce galerie.
diff --git a/plugins/language_switch/language/cz_CZ/index.php b/plugins/language_switch/language/cz_CZ/index.php
new file mode 100644
index 000000000..17747c927
--- /dev/null
+++ b/plugins/language_switch/language/cz_CZ/index.php
@@ -0,0 +1,30 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2010 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | 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                                          |
+// |                                                                       |
+// | 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.                                                                  |
+// +-----------------------------------------------------------------------+
+
+// Recursive call
+$url = '../';
+header( 'Request-URI: '.$url );
+header( 'Content-Location: '.$url );
+header( 'Location: '.$url );
+exit();
+?>