function data_copy()
{

if(document.WebToLeadForm.copy[0].checked){
document.WebToLeadForm.cc_address_billing_c.value=document.WebToLeadForm.primary_address_street.value;
document.WebToLeadForm.cc_address_city_c.value=document.WebToLeadForm.primary_address_city.value;
document.WebToLeadForm.cc_address_state_c.value=document.WebToLeadForm.primary_address_state.value;
document.WebToLeadForm.cc_address_postalcode_c.value=document.WebToLeadForm.primary_address_postalcode.value;
}else{
document.WebToLeadForm.cc_address_billing_c.value="";
document.WebToLeadForm.cc_address_city_c.value="";
document.WebToLeadForm.cc_address_state_c.value="";
document.WebToLeadForm.cc_address_postalcode_c.value="";

}

}