var months=['janvier','février','mars','avril','mai','juin','juillet','août','septembre','octobre','novembre','décembre',];
var days=['Lu','Ma','Me','Je','Ve','Sa','Di'];
var days3=['Lun','Mar','Mer','Jeu','Ven','Sam','Dim'];
			
function checkDateOrder(me, ci_day, ci_month_year, co_day, co_month_year) {
	var frm = document.getElementById('recherche');
	if (document.getElementById) {
		var my = $F(ci_month_year).split("-");
		ci = new Date (my[1], my[0]-1, $F(ci_day), 12, 0, 0, 0);
	  my = $F(co_month_year).split("-");
	  co = new Date (my[1], my[0]-1, $F(co_day), 12, 0, 0, 0);
		
		if (ci >= co){
    	    co.setTime(ci.getTime() + 1000 * 60 * 60 * 24);
					frm[co_day].value =  co.getDate();
    	    var com = co.getMonth()+1;
					frm[co_month_year].value = com+ "-" +co.getFullYear();
    	}
	}
}

function updateDaySelect( me ) {
	if(!$('checkin_monthday') || !$('checkout_monthday') || !$('checkin_year_month') || !$('checkout_year_month'))
    return;
  
  	var ci_d = $('checkin_monthday');
	var co_d = $('checkout_monthday');
	var ci_my = $F('checkin_year_month').split("-");
	var co_my = $F('checkout_year_month').split("-");
	
	var ci_sel = ci_d.selectedIndex;
	var co_sel = co_d.selectedIndex;

	var monthDays = [], opt;
	
	// Checkin month
	monthDays = buildDaysForMonth(ci_my[1], ci_my[0]);
	ci_d.innerHTML = '';
	for(var i = 0; i < monthDays.length; i++) {
		opt = document.createElement('option');
		opt.innerHTML = (monthDays[i] + ' ' + (i+1));
		opt.value = (i+1);
		ci_d.appendChild(opt);
	}
	ci_d.options[ci_sel].defaultSelected = ci_d.options[ci_sel].selected = true;

	// Checkout month
	monthDays = buildDaysForMonth(co_my[1], co_my[0]);
	co_d.innerHTML = '';
	for(var i = 0; i < monthDays.length; i++) {
		opt = document.createElement('option');
		opt.innerHTML = (monthDays[i] + ' ' + (i+1));
		opt.value = (i+1);
		co_d.appendChild(opt);
	}
	co_d.options[co_sel].defaultSelected = co_d.options[co_sel].selected = true;
}
function buildDaysForMonth( year, month ) {
	// Month index starts on 0(-11) in Date()-object
	var monthDate = new Date(year, month-1);
	var orgMonth = monthDate.getMonth();
	var dayArray = [], weekDay;
	while(monthDate.getMonth() == orgMonth) {
		// Week starts on Sunday in Date()-object
		weekDay = (monthDate.getDay() == 0) ? 6 : (monthDate.getDay()-1);
		dayArray.push(days3[weekDay]);
		monthDate.setDate(monthDate.getDate()+1);
	}
	return dayArray;
}
function initDaySelect() {
	var forms = document.getElementsByTagName('form');
	for(var i=0; i<forms.length; i++)
		if(forms[i]['checkin_monthday'])
			updateDaySelect(forms[i]);
}