function InitSaveVariables_shipping(form){ 
s_firstname = form.s_firstname.value;
s_lastname = form.s_firstname.value;
s_address = form.s_address.value; 
s_address_2 = form.s_address_2.value; 
s_city = form.s_city.value; 
s_state = form.s_state.value; 
_s_state = form._s_state.value; 
s_country = form.s_country.value; 
s_zipcode = form.s_zipcode.value; 
} 

function copybilling(form){ 
if (form.copyb.checked){ 
InitSaveVariables_shipping(form); 
form.s_firstname.value = form.b_firstname.value;
form.s_lastname.value = form.b_lastname.value;
form.s_address.value = form.b_address.value; 
form.s_address_2.value = form.b_address_2.value; 
form.s_city.value = form.b_city.value; 
form.s_state.value = form.b_state.value; 
form._s_state.value = form._b_state.value; 
form.s_country.value = form.b_country.value; 
form.s_zipcode.value = form.b_zipcode.value; 
} 

else { 
   form.s_firstname.value = "";
   form.s_lastname.value = "";
   form.s_address.value = ""; 
   form.s_address_2.value = ""; 
   form.s_city.value = ""; 
   form.s_state.value = form.b_state.value; 
   form._s_state.value = ""; 
   form.s_country.value = form.b_country.value; 
   form.s_zipcode.value = ""; 
   } 
}