Uncaught TypeError: Cannot read property 'regional' of undefined?
<p>I am using jQuery UI Calender for French Language. 
But unfortunately I see the below error not sure if I am missing some thing. 
Please advice.</p>

<p><strong>Uncaught TypeError: Cannot read property 'regional' of undefined</strong> </p>

<pre><code> JS : 
/**
French initialisation for the jQuery UI date picker plugin. 
**/
/* Written by Keith Wood (kbwood{at}iinet.com.au),
              Stéphane Nahmani (sholby@sholby.net),
              Stéphane Raimbault &lt;stephane.raimbault@gmail.com&gt; */
jQuery(function($){
    $.datepicker.regional['fr'] = {
        closeText: 'Fermer',
        prevText: 'Précédent',
        nextText: 'Suivant',
        currentText: 'Aujourd\'hui',
        monthNames: ['Janvier','Février','Mars','Avril','Mai','Juin',
        'Juillet','Août','Septembre','Octobre','Novembre','Décembre'],
        monthNamesShort: ['Janv.','Févr.','Mars','Avril','Mai','Juin',
        'Juil.','Août','Sept.','Oct.','Nov.','Déc.'],
        dayNames: ['Dimanche','Lundi','Mardi','Mercredi','Jeudi','Vendredi','Samedi'],
        dayNamesShort: ['Dim.','Lun.','Mar.','Mer.','Jeu.','Ven.','Sam.'],
        dayNamesMin: ['D','L','M','M','J','V','S'],
        weekHeader: 'Sem.',
        dateFormat: 'dd/mm/yy',
        firstDay: 1,
        isRTL: false,
        showMonthAfterYear: false,
        yearSuffix: ''};
    $.datepicker.setDefaults($.datepicker.regional['fr']);
});
</code></pre>

<p>Thanks!!</p>