function CopyToBilling(f) {
  if(f.same_as_shipping.checked == true) {
    f.billing_name.value = f.shipping_name.value;
    f.billing_address1.value = f.shipping_address1.value;
    f.billing_address2.value = f.shipping_address2.value;
    f.billing_city.value = f.shipping_city.value;
    f.billing_state.value = f.shipping_state.value;
    f.billing_zipcode.value = f.shipping_zipcode.value;
    f.billing_country.value = f.shipping_country.value;
  }
}