try this Last day of the month is:
<%
function daysInMonth(today) {
return new Date(today.getFullYear(), today.getMonth(), 0).getDate();
}
function month_fr(today){
var monthFr = ["Janvier", "Février", "Mars", "Avril", "Mai", "Juin", "Juillet", "Aout", "Septembre", "Octobre","Nove...