var ShipFirst = "";
var ShipLast = "";
var ShipCompany = "";
var ShipAddress1 = "";
var ShipAddress2 = "";
var ShipCity = "";
var ShipState = "";
var ShipStateIndex = 0;
var ShipZip = "";


function InitSaveVariables(form) {
ShipFirst = form.shippingfirstname.value;
ShipLast = form.shippinglastname.value;
ShipCompany = form.shippingCompany.value;
ShipAddress1 = form.shippingAddress1.value;
ShipAddress2 = form.shippingAddress2.value;
ShipCity = form.shippingCity.value;
ShipZip = form.shippingZip.value;
ShipStateIndex = form.shippingState.selectedIndex;
ShipState = form.shippingState[ShipStateIndex].value;
}

function ShipToBillPerson(form) {
if (form.copy.checked) {
InitSaveVariables(form);
form.shippingfirstname.value = form.firstname.value;
form.shippinglastname.value = form.lastname.value;
form.shippingCompany.value = form.billingCompany.value;
form.shippingAddress1.value = form.billingAddress1.value;
form.shippingAddress2.value = form.billingAddress2.value;
form.shippingCity.value = form.billingCity.value;
form.shippingZip.value = form.billingZip.value;
form.shippingState.selectedIndex = form.billingState.selectedIndex;
}
else {
form.shippingfirstname.value = ShipFirst;
form.shippinglastname.value = ShipLast;
form.shippingCompany.value = ShipCompany;
form.shippingAddress1.value = ShipAddress1;
form.shippingAddress2.value = ShipAddress2;
form.shippingCity.value = ShipCity;
form.shippingZip.value = ShipZip;       
form.shippingState.selectedIndex = ShipStateIndex;
   }
}