PJ,
> <snip>
> > $sql1 = "INSERT INTO book ( title, sub_title, descr,
> > comment, bk_cover, copyright, ISBN, language, sellers )
> > VALUES ('$titleIN', '$sub_titleIN', '$descrIN', '$commentIN',
> > '$bk_coverIN', '$copyrightIN', '$ISBNIN', '$languageIN',
> > '$sellersIN')";
> > $result1 = mysql_query($sql1, $db);
> > $autoid = mysql_insert_id($result1);
>
You're actually sending mysql_insert_id() the wrong parameter. It should be:
$autoid = mysql_insert_id($db); // you send the resource of your MySQL
connection (http://ca3.php.net/manual/en/function.mysql-insert-id.php)
This should be corrected in everywhere you call mysql_insert_id()
-Lex