var ShippingName = "";
var ShippingAddress = "";
var ShippingCity = "";
var ShippingState = "";
var ShippingZip = "";

function InitSaveVariables(form) {
ShippingName = form.ShippingName.value;
ShippingAddress = form.ShippingAddress.value;
ShippingCity = form.ShippingCity.value;
ShippingState = form.ShippingState.value;
ShippingZip = form.ShippingZip.value;
}

function ShipToBillPerson(form) {
if (form.shippinginfo.checked) {
InitSaveVariables(form);
form.ShippingName.value = form.BillingName.value;
form.ShippingAddress.value = form.BillingAddress.value;
form.ShippingCity.value = form.BillingCity.value;
form.ShippingState.value = form.BillingState.value;
form.ShippingZip.value = form.BillingZipCode.value;
}
else {
form.ShippingName.value = ShippingName;
form.ShippingAddress.value = ShippingAddress;
form.ShippingCity.value = ShippingCity;
form.ShippingState.value = ShippingState;
form.ShippingZip.value = ShippingZip;
   }
}