How to change the default 'country' in oscommerce

i) Change the default country in account creation:

Edit the file 'create_account.php' and replace the below line
... php echo tep_get_country_list('country','206') ...
by
... php echo tep_get_country_list('country','96') ...
(Note: code# 206 = Taiwan, code# 96 = Hong Kong)

ii) Change the default country for changing shipping address:

Edit the file 'includes/functions/html_output.php' at about line 299, and replace:
$countries_array = array(array('id' => '206', 'text' => 'Taiwan'));
by
$countries_array = array(array('id' => '96', 'text' => 'Hong Kong'));