function ValidatePrebookingForm()

{

    var cust_firstname = document.Prebooking.cust_firstname;

    var cust_lastname = document.Prebooking.cust_lastname;

    var cust_email = document.Prebooking.cust_email;

    var guest_type = document.Prebooking.guest_type;

    var cust_type = document.Prebooking.cust_type;

    var accomodation = document.Prebooking.accomodation;

    var payment_method = document.Prebooking.payment_method;

    var pickup_option = document.Prebooking.pickup_option;

    var cust_phone = document.Prebooking.cust_phone;

    

    if (cust_firstname.value == "")

    {

        window.alert("Please enter your first name.");

        cust_firstname.focus();

        return false;

    }

    if (cust_lastname.value == "")

    {

        window.alert("Please enter your last name.");

        cust_lastname.focus();

        return false;

    }

    //if (guest_type.value == "")

    //{

    //    window.alert("Please choose your inquiry type - Guest or Volunteer.");

    //    guest_type.focus();

    //    return false;

    //}

    //if (cust_type.value == "")

    //{

    //    window.alert("Please choose your occupancy.");

    //    cust_type.focus();

    //    return false;

    //}

    //if (accomodation.value == "")

    //{

    //   window.alert("Please choose your desired accomodation.");

    //    accomodation.focus();

    //    return false;

    //}

    if (cust_email.value == "")

    {

        window.alert("Please enter your valid e-mail address.");

        cust_email.focus();

        return false;

    }

    if (cust_email.value.indexOf("@", 0) < 0)

    {

        window.alert("Please enter your valid e-mail address.");

        cust_email.focus();

        return false;

    }

    if (cust_email.value.indexOf(".", 0) < 0)

    {

        window.alert("Please enter your valid e-mail address.");

        cust_email.focus();

        return false;

    }

    //if (cust_phone.value == "")

    //{

    //    window.alert("Please enter a contact phone number");

    //    cust_phone.focus();

    //    return false;

    //}

    //if (payment_method.value == "")

    //{

    //    window.alert("Please choose your desired payment method.");

    //    payment_method.focus();

    //    return false;

    //}

    //if (pickup_option.value == "")

    //{

    //    window.alert("Please choose your desired Airport Pickup option.");

    //    pickup_option.focus();

    //    return false;

    //}

    return true;

}