var xbillingAddress1 = "";
var xbillingAddress2 = "";
var xbillingSuburb = "";
var xbillingCity = "";
var xbillingState = "";
var xbillingPostcode = "";
var xbillingCountry = "";

function InitSaveVariables(form) {
xbillingAddress1 = form.xbillingAddress1.value;
xbillingAddress2 = form.xbillingAddress2.value;
xbillingSuburb = form.xbillingSuburb.value;
xbillingCity = form.xbillingCity.value;
xbillingState = form.xbillingState.value;
xbillingPostcode = form.xbillingPostcode.value;
xbillingCountry = form.xbillingCountry.value;
}

function ShipToBillPerson(form) {
if (form.copy.checked) {
InitSaveVariables(form);
form.xbillingAddress1.value = form.xdeliveryAddress1.value;
form.xbillingAddress2.value = form.xdeliveryAddress2.value;
form.xbillingSuburb.value = form.xdeliverySuburb.value;
form.xbillingCity.value = form.xdeliveryCity.value;
form.xbillingState.value = form.xdeliveryState.value;
form.xbillingPostcode.value = form.xdeliveryPostcode.value;
form.xbillingCountry.value = form.xdeliveryCountry.value;
}
else {
form.xbillingAddress1.value = xbillingAddress1;
form.xbillingAddress2.value = xbillingAddress2;
form.xbillingSuburb.value = xbillingSuburb;
form.xbillingCity.value = xbillingCity;
form.xbillingState.value = xbillingState;
form.xbillingPostcode.value = xbillingPostcode;
form.xbillingCountry.value = xbillingCountry;
   }
}