--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/data/jquery.ui.datepicker-de.js	Thu Dec 09 15:27:02 2010 +0100
@@ -0,0 +1,23 @@
+/* German initialisation for the jQuery UI date picker plugin. */
+/* Written by Milian Wolff (mail@milianw.de). */
+jQuery(function($){
+	$.datepicker.regional['de'] = {
+		closeText: 'schließen',
+		prevText: '<zurück',
+		nextText: 'Vor>',
+		currentText: 'heute',
+		monthNames: ['Januar','Februar','März','April','Mai','Juni',
+		'Juli','August','September','Oktober','November','Dezember'],
+		monthNamesShort: ['Jan','Feb','Mär','Apr','Mai','Jun',
+		'Jul','Aug','Sep','Okt','Nov','Dez'],
+		dayNames: ['Sonntag','Montag','Dienstag','Mittwoch','Donnerstag','Freitag','Samstag'],
+		dayNamesShort: ['So','Mo','Di','Mi','Do','Fr','Sa'],
+		dayNamesMin: ['So','Mo','Di','Mi','Do','Fr','Sa'],
+		weekHeader: 'Wo',
+		dateFormat: 'dd.mm.yy',
+		firstDay: 1,
+		isRTL: false,
+		showMonthAfterYear: false,
+		yearSuffix: ''};
+	$.datepicker.setDefaults($.datepicker.regional['de']);
+});

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/data/jquery.ui.datepicker-es.js	Thu Dec 09 15:27:02 2010 +0100
@@ -0,0 +1,23 @@
+/* Inicialización en español para la extensión 'UI date picker' para jQuery. */
+/* Traducido por Vester (xvester@gmail.com). */
+jQuery(function($){
+	$.datepicker.regional['es'] = {
+		closeText: 'Cerrar',
+		prevText: '<Ant',
+		nextText: 'Sig>',
+		currentText: 'Hoy',
+		monthNames: ['Enero','Febrero','Marzo','Abril','Mayo','Junio',
+		'Julio','Agosto','Septiembre','Octubre','Noviembre','Diciembre'],
+		monthNamesShort: ['Ene','Feb','Mar','Abr','May','Jun',
+		'Jul','Ago','Sep','Oct','Nov','Dic'],
+		dayNames: ['Domingo','Lunes','Martes','Miércoles','Jueves','Viernes','Sábado'],
+		dayNamesShort: ['Dom','Lun','Mar','Mié','Juv','Vie','Sáb'],
+		dayNamesMin: ['Do','Lu','Ma','Mi','Ju','Vi','Sá'],
+		weekHeader: 'Sm',
+		dateFormat: 'dd/mm/yy',
+		firstDay: 1,
+		isRTL: false,
+		showMonthAfterYear: false,
+		yearSuffix: ''};
+	$.datepicker.setDefaults($.datepicker.regional['es']);
+});
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/data/jquery.ui.datepicker-fr.js	Thu Dec 09 15:27:02 2010 +0100
@@ -0,0 +1,23 @@
+/* French initialisation for the jQuery UI date picker plugin. */
+/* Written by Keith Wood (kbwood{at}iinet.com.au) and Stéphane Nahmani (sholby@sholby.net). */
+jQuery(function($){
+	$.datepicker.regional['fr'] = {
+		closeText: 'Fermer',
+		prevText: '<Préc',
+		nextText: 'Suiv>',
+		currentText: 'Courant',
+		monthNames: ['Janvier','Février','Mars','Avril','Mai','Juin',
+		'Juillet','Août','Septembre','Octobre','Novembre','Décembre'],
+		monthNamesShort: ['Jan','Fév','Mar','Avr','Mai','Jun',
+		'Jul','Aoû','Sep','Oct','Nov','Déc'],
+		dayNames: ['Dimanche','Lundi','Mardi','Mercredi','Jeudi','Vendredi','Samedi'],
+		dayNamesShort: ['Dim','Lun','Mar','Mer','Jeu','Ven','Sam'],
+		dayNamesMin: ['Di','Lu','Ma','Me','Je','Ve','Sa'],
+		weekHeader: 'Sm',
+		dateFormat: 'dd/mm/yy',
+		firstDay: 1,
+		isRTL: false,
+		showMonthAfterYear: false,
+		yearSuffix: ''};
+	$.datepicker.setDefaults($.datepicker.regional['fr']);
+});
\ No newline at end of file

--- a/web/formwidgets.py	Thu Dec 09 15:27:01 2010 +0100
+++ b/web/formwidgets.py	Thu Dec 09 15:27:02 2010 +0100
@@ -567,6 +567,8 @@
 
     def _render(self, form, field, renderer):
         req = form._cw
+        if req.lang != 'en':
+            req.add_js('jquery.ui.datepicker-%s.js' % req.lang)
         domid = field.dom_id(form, self.suffix)
         # XXX find a way to understand every format
         fmt = req.property_value('ui.date-format')