$(function() {
            $(".datepicker").datepicker({ dateFormat: "dd/mm/yy", duration: 0 });

            $("#PickupDate").change(function() {
                var dod = $("#DropoffDate");
                var puDate = new Date(Date.parse($(this).val()));
                puDate.addDays(7);

                dod.val(puDate.toString("dd/MM/yyyy"));
            }).change();

            $("#PickupTime").change(function() {
                $("#DropoffTime").val($(":selected", this).val());
            });

            jQuery.validator.messages.required = "";
            jQuery.validator.messages.email = "";
            jQuery.validator.addMethod("datevalid", function(element) {
                return (Date.parse($("#DropoffDate").val()) > Date.parse($("#PickupDate").val()))
            }, "");
            jQuery.validator.addMethod("dateaftertoday", function(element) {
                return (Date.parse(element) > new Date())
            }, "");


            $("form").validate();
        });