$(function() {

    //datepicker class
    $(".date").datepicker();

    //expiration class
    $(".expiry").datepicker({
        changeMonth: true,
        changeYear: true,
        minDate: 0,
        yearRange: "+0:+10"
    });

    //dob class
    $(".dob").datepicker({
        changeMonth: true,
        changeYear: true,
        defaultDate: "-19y",
        yearRange: "-99:-15"
    });

});