diff --git a/htdocs/admin/agenda_extsites.php b/htdocs/admin/agenda_extsites.php
new file mode 100644
index 00000000000..9cac5863ed9
--- /dev/null
+++ b/htdocs/admin/agenda_extsites.php
@@ -0,0 +1,73 @@
+<?php
+/* Copyright (C) 2011 Juanjo Menent  <jmenent@2byte.es>
+ *
+ * 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.
+ */
+
+/**
+ *	    \file       htdocs/admin/agenda_extsites.php
+ *      \ingroup    agenda
+ *      \brief      Page to setup external calendars for agenda module
+ *      \version    $Id$
+ */
+
+require("../main.inc.php");
+require_once(DOL_DOCUMENT_ROOT."/lib/admin.lib.php");
+require_once(DOL_DOCUMENT_ROOT."/lib/agenda.lib.php");
+
+if (!$user->admin)
+    accessforbidden();
+
+$langs->load("admin");
+$langs->load("other");
+$langs->load("agenda");
+
+$action=$_POST["action"];
+
+/*
+*	Actions
+*/
+
+
+/*
+ * View
+ */
+
+llxHeader();
+
+$linkback='<a href="'.DOL_URL_ROOT.'/admin/modules.php">'.$langs->trans("BackToModuleList").'</a>';
+print_fiche_titre($langs->trans("AgendaSetup"),$linkback,'setup');
+print "<br>\n";
+
+print $langs->trans("AgendaExtSitesDesc")."<br>\n";
+print "<br>\n";
+
+$head=agenda_prepare_head();
+
+dol_fiche_head($head, 'extsites', $langs->trans("Agenda"));
+
+print '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
+print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
+print '<input type="hidden" name="action" value="save">';
+
+$var=true;
+
+print "</form>\n";
+
+if ($mesg) print "<br>$mesg<br>";
+print "<br>";
+
+llxFooter('$Date$ - $Revision$');
+?>
diff --git a/htdocs/langs/ca_ES/agenda.lang b/htdocs/langs/ca_ES/agenda.lang
index 3d2ac9e8b4e..af6f7a46400 100644
--- a/htdocs/langs/ca_ES/agenda.lang
+++ b/htdocs/langs/ca_ES/agenda.lang
@@ -31,6 +31,7 @@ ViewWithPredefinedFilters= Veure amb els filtres predefinits
 AutoActions= Inclusió automàtica a l'agenda
 AgendaAutoActionDesc= Definir els esdeveniments aquí per què voleu que Dolibarr creu automàticament una acció en l'ordre del dia. Si no està marcada (per defecte), es podran crear manualment.
 AgendaSetupOtherDesc= Aquesta pàgina us permet configurar altres paràmetres del mòdul agenda.
+AgendaExtSitesDesc=Aquesta pàgina us permet configurar calendaris externs.
 ActionsEvents= Esdeveniments per a què Dolibarr crei una acció de forma automàtica
 PropalValidatedInDolibarr= Pressupost %s validat
 InvoiceValidatedInDolibarr= Factura %s validada
@@ -55,3 +56,4 @@ AgendaUrlOptions4= <b>logint=%s</b> per a restringir insercions a accions que af
 AgendaUrlOptions5= <b>logind= %s</b> per a restringir insercions a accions realitzades per l'usuari <b>%s</b>.
 AgendaShowBirthdayEvents= Mostra aniversari dels contactes
 AgendaHideBirthdayEvents= Amaga aniversari dels contacte
+ExtSites=Calendaris externs
\ No newline at end of file
diff --git a/htdocs/langs/en_US/agenda.lang b/htdocs/langs/en_US/agenda.lang
index 65e3653fa58..1ce2afaa02e 100644
--- a/htdocs/langs/en_US/agenda.lang
+++ b/htdocs/langs/en_US/agenda.lang
@@ -31,6 +31,7 @@ ViewWithPredefinedFilters= View with predefined filters
 AutoActions= Automatic filling of agenda
 AgendaAutoActionDesc= Define here events for which you want Dolibarr to create automatically an action in agenda. If nothing is checked (by default), only manual actions will be included in agenda.
 AgendaSetupOtherDesc= This page allows to configure other parameters of agenda module.
+AgendaExtSitesDesc=This page allows to configure external calendars.
 ActionsEvents= Events for which Dolibarr will create an action in agenda automatically
 PropalValidatedInDolibarr= Proposal %s validated
 InvoiceValidatedInDolibarr= Invoice %s validated
@@ -54,4 +55,5 @@ AgendaUrlOptions3=<b>logina=%s</b> to restrict output to actions created by user
 AgendaUrlOptions4=<b>logint=%s</b> to restrict output to actions affected to user <b>%s</b>.
 AgendaUrlOptions5=<b>logind=%s</b> to restrict output to actions done by user <b>%s</b>.
 AgendaShowBirthdayEvents=Show birthday's contacts
-AgendaHideBirthdayEvents=Hide birthday's contacts
\ No newline at end of file
+AgendaHideBirthdayEvents=Hide birthday's contacts
+ExtSites=External calendars
\ No newline at end of file
diff --git a/htdocs/langs/es_ES/agenda.lang b/htdocs/langs/es_ES/agenda.lang
index 500014c8d0f..559b8582603 100644
--- a/htdocs/langs/es_ES/agenda.lang
+++ b/htdocs/langs/es_ES/agenda.lang
@@ -31,6 +31,7 @@ ViewWithPredefinedFilters=Ver con los filtros predefinidos
 AutoActions=Inclusión automática en la agenda
 AgendaAutoActionDesc=Definir los eventos aquí para los que desea que Dolibarr cree automáticamente una acción en el orden del día. Si no está marcada (por defecto),  se podrán crear manualmente.
 AgendaSetupOtherDesc=Esta página le permite configurar otros parámetros del módulo agenda.
+AgendaExtSitesDesc=Esta página le permite configurar calendarios externos.
 ActionsEvents=Eventos para que Dolibarr cree una acción de forma automática
 PropalValidatedInDolibarr=Presupuesto %s validado
 InvoiceValidatedInDolibarr=Factura %s validada
@@ -55,3 +56,4 @@ AgendaUrlOptions4=<b>logint=%s</b> para restringir inserciones a acciones que af
 AgendaUrlOptions5=<b>logind=%s</b> para restringir inserciones a acciones realizadas por el usuario <b>%s</b>.
 AgendaShowBirthdayEvents=Mostrar cumpleaños de los contactos
 AgendaHideBirthdayEvents=Ocultar cumpleaños de los contactos
+ExtSites=Calendarios externos
\ No newline at end of file
diff --git a/htdocs/langs/fr_FR/agenda.lang b/htdocs/langs/fr_FR/agenda.lang
index c6f852c6979..a89c5b5110c 100644
--- a/htdocs/langs/fr_FR/agenda.lang
+++ b/htdocs/langs/fr_FR/agenda.lang
@@ -31,6 +31,7 @@ ViewWithPredefinedFilters=Vues avec filtres prédéfinis
 AutoActions=Alimentation automatique de l'agenda
 AgendaAutoActionDesc=Définissez dans cet onglet les événements pour lesquels dolibarr créera automatiquement une action dans l'agenda. Si aucune case n'est cochée (par défaut), seules les actions manuelles seront incluses dans l'agenda.
 AgendaSetupOtherDesc=Cette page permet de configurer les autres paramètres du module agenda.
+AgendaExtSitesDesc=Cette page permet de configurer les calendriers externes.
 ActionsEvents=Événements pour lesquels Dolibarr doit créer une action dans l'agenda en automatique.
 PropalValidatedInDolibarr=Proposition %s validée
 InvoiceValidatedInDolibarr=Facture %s validée
@@ -54,4 +55,5 @@ AgendaUrlOptions3=<b>logina=%s</b> pour limiter l'export aux actions créées pa
 AgendaUrlOptions4=<b>logint=%s</b> pour limiter l'export aux actions affectées à l'utilisateur <b>%s</b>.
 AgendaUrlOptions5=<b>logind=%s</b> pour limiter l'export aux actions réalisées par l'utilisateur <b>%s</b>.
 AgendaShowBirthdayEvents=Afficher anniversaires contacts
-AgendaHideBirthdayEvents=Cacher anniversaires contacts
\ No newline at end of file
+AgendaHideBirthdayEvents=Cacher anniversaires contacts
+ExtSites=Calendriers externes
\ No newline at end of file
diff --git a/htdocs/lib/agenda.lib.php b/htdocs/lib/agenda.lib.php
index 6fdcb4f3cb3..92765d92644 100644
--- a/htdocs/lib/agenda.lib.php
+++ b/htdocs/lib/agenda.lib.php
@@ -311,6 +311,12 @@ function agenda_prepare_head()
 	$head[$h][1] = $langs->trans("Export");
 	$head[$h][2] = 'xcal';
 	$h++;
+	
+	$head[$h][0] = DOL_URL_ROOT."/admin/agenda_extsites.php";
+	$head[$h][1] = $langs->trans("ExtSites");
+	$head[$h][2] = 'extsites';
+	$h++;
+	
 
 	return $head;
 }