function copyBillingAddress() {
  document.shop_info.s_fname.value    = document.shop_info.fname.value;
  document.shop_info.s_lname.value    = document.shop_info.lname.value;
  document.shop_info.s_phone.value    = document.shop_info.phone.value;
  document.shop_info.s_ext.value      = document.shop_info.ext.value;
  document.shop_info.address_name.value = "Copied from billing address";
  document.shop_info.s_address1.value = document.shop_info.b_address1.value;
  document.shop_info.s_address2.value = document.shop_info.b_address2.value;
  document.shop_info.s_city.value     = document.shop_info.b_city.value;
  document.shop_info.s_state.value    = document.shop_info.b_state.value;
  document.shop_info.s_zip.value      = document.shop_info.b_zip.value;
  // check whether pobox is checked
  if(document.shop_info.b_pobox.checked==true){
    document.shop_info.s_pobox.checked=true;
  } else {
    document.shop_info.s_pobox.checked=false;
  }
}

function toggleShippingAddress(selectedAddress) {
  //alert(selectedAddress);
  var div = document.getElementById('shipping_info_add');
  if(selectedAddress == 'new') {  
    if( div == null ) return false;
    // show form fields
    div.style.display = "block";
    // hide the "show this address" div
    document.getElementById('show_shipping_address').style.display = "none";
  }
  if(selectedAddress == 'same_as_billing') {  
    if( div == null ) return false;
    // show form fields
    div.style.display = "none";
    // hide the "show this address" div
    document.getElementById('show_shipping_address').style.display = "none";
  }
  if(!isNaN(selectedAddress)) {
    //if( div == null ) return false;
    // hide form fields
    div.style.display = "none";
    // resubmit the form to get new address info
    document.shop_info.submit();
  }
  return true;
}

function toggleThisShippingAddress() {
  var div = document.getElementById('this_shipping_address');
  var disp = div.style.display;
  if(disp == 'none') {  
    div.style.display = "block";
  } else {
    div.style.display = "none";
  }
  return false;
}

function showCCFields() {
  var form = document.getElementById('shop_payment');
  var cc_fields = document.getElementById('cc_fields');
  var egift_fields = document.getElementById('egift_fields');
  var cc_types = form.cc_type.length;
  
  for (i=0;i<cc_types;i++) {
    if(form.cc_type[i].checked == true) {
      var value = form.cc_type[i].value;
      if(value == "egift") {
        cc_fields.style.display = "none";
        egift_fields.style.display = "block";
      } else {
        egift_fields.style.display = "none";
        cc_fields.style.display = "block";
      }
    }
  }
}