$(document).ready(function () {
    $(".datePicker").datepicker({ showOn: 'both', buttonImage: "/content/calendar.png", minDate: '-120Y', maxDate: '+1Y', changeMonth: true, changeYear: true });
    $(".datePicker").datepicker("option", "dateFormat", 'dd/mm/yy');
    $(".datePicker").datepicker($.datepicker.regional['fr']);

    $("button, input:submit", "").button();
    $("#message").openPopup();
});

var t;
t = 0.8;
function changerTaille(modif) {
    t = t + modif;
    document.getElementsByTagName("body")[0].style.fontSize = t + "em";
}