https://www.france-hotel-guide.com/en/calendrier_jquery.js?v=20151211080043

1//calendrier jquery
2jQuery(function($){
3	//propriete francaise
4	$.datepicker.regional['fr'] = {
5		closeText: 'Fermer',
6		prevText: '<Prec',
7		nextText: 'Suiv>',
8		currentText: 'Aujourd\'hui',
9		monthNames: ['Janvier','Fevrier','Mars','Avril','Mai','Juin',
10		'Juillet','Aout','Septembre','Octobre','Novembre','Decembre'],
11		monthNamesShort: ['Jan','Fev','Mar','Avr','Mai','Jun',
12		'Jul','Aou','Sep','Oct','Nov','Dec'],
13		dayNames: ['Dimanche','Lundi','Mardi','Mercredi','Jeudi','Vendredi','Samedi'],
14		dayNamesShort: ['Dim','Lun','Mar','Mer','Jeu','Ven','Sam'],
15		dayNamesMin: ['Di','Lu','Ma','Me','Je','Ve','Sa'],
16		weekHeader: 'Sm',
17		dateFormat: 'D dd M yy',
18		firstDay: 1,
19		isRTL: false,
20		showMonthAfterYear: false,
21		numberOfMonths: 1,
22		showButtonPanel: true,
23		minDate: 'defaultDate',
24		showAnim: '', 
25		yearSuffix: ''};
26		
27		//propriete anglaise
28		$.datepicker.regional['en'] = {
29		closeText: 'Close',
30		prevText: '<Prev',
31		nextText: 'Next>',
32		currentText: 'Today',
33		weekHeader: 'Sm',
34		dateFormat: 'D dd M yy',
35		firstDay: 1,
36		isRTL: false,
37		showMonthAfterYear: false,
38		numberOfMonths: 1,
39		showButtonPanel: true,
40		minDate: 'defaultDate',
41		showAnim: '', 
42		yearSuffix: ''};
43	$.datepicker.setDefaults($.datepicker.regional['en']);
44});
45
46jQuery(function($) {
47		// champ arrivee
48		var date2 = $( "#date2" );
49		//champ depart + arrivee pour g�rer les grisements des cases quand le sejour est selectionne
50		var dates =  $( "#date, #date2" ).datepicker({
51			onSelect: function( selectedDate ) {
52				var option = this.id == "date" ? "minDate" : "",
53					instance = $( this ).data( "datepicker" );
54					date = $.datepicker.parseDate(
55						instance.settings.dateFormat ||
56						$.datepicker._defaults.dateFormat,
57						selectedDate, instance.settings );		
58				//remplissage de l arrivee et mise en place du grisement
59				dates.not( this ).datepicker( "option", option, date );
60				//remplissage auto du depart a  j+1 et grisement
61                                var date_nextday = $('#date').datepicker('getDate'); 
62                                date_nextday.setDate(date_nextday.getDate()+1); 
63				date2.not( this ).datepicker( "setDate",  date_nextday );
64				date2.not( this ).datepicker( "option", option, date );		
65				
66				if(document.getElementById('boutonsubmit'))
67				{
68					document.getElementById('boutonsubmit').focus();
69				}else if(document.getElementById('bouton-recherche'))
70				{
71					document.getElementById('bouton-recherche').focus();
72				}
73			}
74		});
75	});
76
77
78	
79jQuery(document).ready(function() {
80    jQuery('#date').datepicker();    
81    jQuery('#date2').datepicker();
82});