$entry = smn_db_fetch_array($entry_query);
} elseif (isset($_GET['delete']) && is_numeric($_GET['delete'])) {
    if ($_GET['delete'] == $customer_default_address_id) {
        $messageStack->add_session('addressbook', WARNING_PRIMARY_ADDRESS_DELETION, 'warning');
        smn_redirect(smn_href_link(FILENAME_ADDRESS_BOOK, '', 'NONSSL'));
    } else {
        $check_query = smn_db_query("select count(*) as total from " . TABLE_ADDRESS_BOOK . " where address_book_id = '" . (int) $_GET['delete'] . "' and customers_id = '" . (int) $customer_id . "'");
        $check = smn_db_fetch_array($check_query);
        if ($check['total'] < 1) {
            $messageStack->add_session('addressbook', ERROR_NONEXISTING_ADDRESS_BOOK_ENTRY);
            smn_redirect(smn_href_link(FILENAME_ADDRESS_BOOK, '', 'NONSSL'));
        }
    }
} else {
    $entry = array();
}
if (!isset($_GET['delete']) && !isset($_GET['edit'])) {
    if (smn_count_customer_address_book_entries() >= MAX_ADDRESS_BOOK_ENTRIES) {
        $messageStack->add_session('addressbook', ERROR_ADDRESS_BOOK_FULL);
        smn_redirect(smn_href_link(FILENAME_ADDRESS_BOOK, '', 'NONSSL'));
    }
}
$breadcrumb->add(NAVBAR_TITLE_1, smn_href_link(FILENAME_ACCOUNT, '', 'NONSSL'));
$breadcrumb->add(NAVBAR_TITLE_2, smn_href_link(FILENAME_ADDRESS_BOOK, '', 'NONSSL'));
if (isset($_GET['edit']) && is_numeric($_GET['edit'])) {
    $breadcrumb->add(NAVBAR_TITLE_MODIFY_ENTRY, smn_href_link(FILENAME_ADDRESS_BOOK_PROCESS, 'edit=' . $_GET['edit'], 'NONSSL'));
} elseif (isset($_GET['delete']) && is_numeric($_GET['delete'])) {
    $breadcrumb->add(NAVBAR_TITLE_DELETE_ENTRY, smn_href_link(FILENAME_ADDRESS_BOOK_PROCESS, 'delete=' . $_GET['delete'], 'NONSSL'));
} else {
    $breadcrumb->add(NAVBAR_TITLE_ADD_ENTRY, smn_href_link(FILENAME_ADDRESS_BOOK_PROCESS, '', 'NONSSL'));
}
            }
        } else {
            smn_session_register('sendto');
        }
        $sendto = $_POST['address'];
        $check_address_query = smn_db_query("select count(*) as total from " . TABLE_ADDRESS_BOOK . " where customers_id = '" . (int) $customer_id . "' and address_book_id = '" . (int) $sendto . "'");
        $check_address = smn_db_fetch_array($check_address_query);
        if ($check_address['total'] == '1') {
            if ($reset_shipping == true) {
                smn_session_unregister('shipping');
            }
            smn_redirect(smn_href_link(FILENAME_CHECKOUT_SHIPPING, '', 'NONSSL'));
        } else {
            smn_session_unregister('sendto');
        }
    } else {
        if (!smn_session_is_registered('sendto')) {
            smn_session_register('sendto');
        }
        $sendto = $customer_default_address_id;
        smn_redirect(smn_href_link(FILENAME_CHECKOUT_SHIPPING, '', 'NONSSL'));
    }
}
// if no shipping destination address was selected, use their own address as default
if (!smn_session_is_registered('sendto')) {
    $sendto = $customer_default_address_id;
}
$breadcrumb->add(NAVBAR_TITLE_1, smn_href_link(FILENAME_CHECKOUT_SHIPPING, '', 'NONSSL'));
$breadcrumb->add(NAVBAR_TITLE_2, smn_href_link(FILENAME_CHECKOUT_SHIPPING_ADDRESS, '', 'NONSSL'));
$addresses_count = smn_count_customer_address_book_entries();