Could be several things ...
> else {
> session_register("user_auth_level");
> $auth_select = "select account_admin_level from account_details where
> username='$login_username'";
Perhaps echo the sql statement here so you can see what you're trying to do.
> $run_auth_select = mysql_query($auth_select);
Check if the query was successful here. Success meaning the statement was valid; not
that you got a result. If it's not successful, then there's something wrong with the
sql statement.
> $run_auth_select_results = mysql_fetch_row($run_auth_select);
Check here if you have a row before accessing the dataset below. If you don't then
take some error handling action such as redisplaying login with a message that the
user wasn't found.
>
> $user_auth_level = $run_auth_select_results[0];
>
> ?>
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