simple validation routines

        $(document).ready(function () {
            $("#saveCustInfo").submit(function (e) {
                if (validateForm()) {
                    return true;
                }
                alert("Please check the hilighted fields for errors.");
                e.preventDefault();
            });
        });

        function resetFields() {
            var fields = [
                "#firstname",
                "#lastname",
                "#mainTelephone",
                "#address1",
                "#city",
                "#state",
                "#postalcode",
                "#countryID",
                "#shipAddress1",
                "#shipCity",
                "#shipState",
                "#shipPostalcode",
                "#shipCountryID"
            ];
            for (var f in fields) {
                $(fields[f]).removeClass("error");
            }
        }

        function setFieldFail(f) {
            $('#' + f).addClass("error");
        }

        function validateForm() {
            var pass = true;
            resetFields();

            if ($("#firstname").val() == '') {
                setFieldFail("firstname");
                pass = false;
            }
            if ($("#lastname").val() == '') {
                setFieldFail("lastname");
                pass = false;
            }
            if ($("#mainTelephone").val() == '') {
                setFieldFail("mainTelephone");
                pass = false;
            }
            if ($("#address1").val() == '') {
                setFieldFail("address1");
                pass = false;
            }
            if ($("#city").val() == '') {
                setFieldFail("city");
                pass = false;
            }
            if ($("#state").val() == '') {
                setFieldFail("state");
                pass = false;
            }
            if ($("#postalcode").val() == '') {
                setFieldFail("postalcode");
                pass = false;
            }
            if ($("#countryID").val() == '') {
                setFieldFail("countryID");
                pass = false;
            }
            if ($("#shipAddress1").val() == '') {
                setFieldFail("shipAddress1");
                pass = false;
            }
            if ($("#shipCity").val() == '') {
                setFieldFail("shipCity");
                pass = false;
            }
            if ($("#shipState").val() == '') {
                setFieldFail("shipState");
                pass = false;
            }
            if ($("#shipPostalcode").val() == '') {
                setFieldFail("shipPostalcode");
                pass = false;
            }
            if ($("#shipCountryID").val() == '') {
                setFieldFail("shipCountryID");
                pass = false;
            }



            if (!pass) return false;
            return true;
        }