register.php editing!!

[moon_spell]

hello

i would like to know where can i place this code in register.php to wokd :

$cryptpass=crypt($password);
mysql_query("insert into nuke_users (uname, email, url, user_regdate,
user_icq, user_aim, user_yim, user_viewemail, pass) values ('$username',
'$email', '$homepage', '$user_regdate', '$icq', '$aim', '$yahoo',
'$showemail', '$cryptpass')");

normaly it should be here but it could not be found in it :

.addslashes($testreferrerid['userid'])."','$nosessionhash')");
$userid=$DB_site->insert_id();
$user_regdate = date("M d, Y");

best regards