function ValidateFeedback(name, company, email, privacyagree) {

    if (name == "") {

        alert("Please enter your name.");

        return false;


    }

    if (company == "") {

        alert("Please enter your company.");

        return false;


    }

    var string = new String(email);
    var indexAt = string.indexOf("@");
    var indexDot = string.indexOf(".");

    if (indexAt <= 0) {

        alert("please enter a valid e-mail address.");

        return false;

    }

    if (indexDot <= 0) {

        alert("please enter a valid e-mail address.");

        return false;

    }

    if (!document.EnqForm.privacy.checked) {

        alert("please agree to our privacy statement.");

        return false;

    }

}