function del_address_same()
{
    if(document.rform.del_same.checked == true)
    {
        document.rform.del_name.value = document.rform.fname.value + ' ' + document.rform.lname.value; 
        document.rform.del_address.value = document.rform.address.value;
        document.rform.del_postcode.value = document.rform.postcode.value;
    } else
    {
        document.rform.del_name.value = ''; 
        document.rform.del_address.value = '';
        document.rform.del_postcode.value = '';
    }   
}