var today = new Date();
function setFormYear(){
var year=today.getYear();
if(year<=1900) year=year+1900;
document.myForm.a_year.options.length=0;
document.myForm.a_year.options[document.myForm.a_year.options.length] = new Option(year,year);
document.myForm.a_year.options[document.myForm.a_year.options.length] = new Option(year+1,year+1);
updateCheckOut(document.myForm.a_date,document.myForm.a_month,document.myForm.a_year,document.myForm.nbNight,'checkOutSelectionD','checkOutSelectionM','checkOutSelectionY');
}

function setFormMonth(){
document.myForm.a_month.value=today.getMonth()+1; 
}

function setFormDate(){
document.myForm.a_date.value=today.getDate();
}