// Copy Billing info To Shipping Info
var s_address = "";
var s_city = "";
var s_state = "";
var s_zip = "";

function InitSaveVariables(form) {
s_address = form.s_address.value;
s_city = form.s_city.value;
s_state = form.s_state.value;
s_zip = form.s_zip.value;
}

function ShipToBillPerson(form) {
if (form.copy.checked) {
InitSaveVariables(form);
form.s_address.value = form.b_address.value;
form.s_city.value = form.b_city.value;
form.s_state.value = form.b_state.value;
form.s_zip.value = form.b_zip.value;
}
else {
form.s_address.value = s_address;
form.s_city.value = s_city;
form.s_state.value = s_state;       
form.s_zip.selectedIndex = s_zip;
   }
}