function swapBillData(){
if(!document.acad_form.ShipFirstName.value)document.acad_form.ShipFirstName.value = document.acad_form.BillFirstName.value;
if(!document.acad_form.ShipLastName.value)document.acad_form.ShipLastName.value = document.acad_form.BillLastName.value;
if(!document.acad_form.ShipCompany.value)document.acad_form.ShipCompany.value = document.acad_form.BillCompany.value;
if(!document.acad_form.ShipAddress1.value)document.acad_form.ShipAddress1.value = document.acad_form.BillAddress1.value;
if(!document.acad_form.ShipCity.value)document.acad_form.ShipCity.value = document.acad_form.BillCity.value;
if(!document.acad_form.ShipStateSelect.value)document.acad_form.ShipStateSelect.value = document.acad_form.BillStateSelect.value;
if(!document.acad_form.ShipZip.value)document.acad_form.ShipZip.value = document.acad_form.BillZip.value;
if(document.getElementById('acad_form').ShipEmail.value.indexOf('@') == -1)
{
document.getElementById('acad_form').ShipEmail.value = document.getElementById('acad_form').BillEmail.value;
}
if(!document.acad_form.ShipFax.value)document.acad_form.ShipFax.value = document.acad_form.BillFax.value;
if(!document.getElementById('acad_form').ShipPhone.value)document.getElementById('acad_form').ShipPhone.value = document.getElementById('acad_form').BillPhone.value;
document.getElementById('acad_form').ShipCountry.value = document.getElementById('acad_form').BillCountry.value;
}