// if bill is the same as shipping

function copyBillToInfo(){
 if(document.supplyForm.copyAddress.checked) {
  document.supplyForm.billLastName.value = document.supplyForm.shipLastName.value;
  document.supplyForm.billFirstName.value = document.supplyForm.shipFirstName.value;
  document.supplyForm.billPOBox.value = document.supplyForm.shipPOBox.value;
  document.supplyForm.billAddress1.value = document.supplyForm.shipAddress1.value;
  document.supplyForm.billAddress2.value = document.supplyForm.shipAddress2.value;
  document.supplyForm.billCity.value = document.supplyForm.shipCity.value;
  document.supplyForm.billState.value = document.supplyForm.shipState.value;
  document.supplyForm.billZip.value = document.supplyForm.shipZip.value;
  }
  
  if(!document.supplyForm.copyAddress.checked) {
  document.supplyForm.billLastName.value = " ";
  document.supplyForm.billFirstName.value = " ";
  document.supplyForm.billPOBox.value = " ";
  document.supplyForm.billAddress1.value = " ";
  document.supplyForm.billAddress2.value = " ";
  document.supplyForm.billCity.value = " ";
  document.supplyForm.billState.value = " ";
  document.supplyForm.billZip.value = " ";
  }
}