function enableShippingFields() {
  var f=document.custinfo_form;
  f.s_address.disabled=false;
  f.s_city.disabled=false;
  f.s_state.disabled=false;
  f.s_zip.disabled=false;
  f.s_country.disabled=false;
}

function clickSame(e) {
  var f=document.custinfo_form;
  copyToShipping();
  f.s_address.disabled=e.checked;
  f.s_city.disabled=e.checked;
  f.s_state.disabled=e.checked;
  f.s_zip.disabled=e.checked;
  f.s_country.disabled=e.checked;
  f.s_first_name.focus();
}

function copyToShipping() {
  var f=document.custinfo_form;
  if(f.shipping_same.checked) {
    f.s_address.value = f.cust_address.value;
    f.s_city.value = f.cust_city.value;
    f.s_state.value = f.cust_state.value;
    f.s_zip.value = f.cust_zip.value;
    f.s_country.value = f.cust_country.value;
  }
}