problem insert data into mysql

I make this script. I have a problem, the data entered in the form wont insert into MYSQL, the database added new row but with blank database. Is there something wrong with the script? because i install phpnuke and i can added new data into mysql. Thanks, i need solve this problem A.S.A.P, with your kind help o PHP-er.... Thanks.. using PHP 4.2 Apache 1.3 ========================code=================== <form action="insert.php" method="post"> First Name: <input type="text" name="first"><br> Last Name: <input type="text" name="last"><br> Phone: <input type="text" name="phone"><br> Mobile: <input type="text" name="mobile"><br> Fax: <input type="text" name="fax"><br> E-mail: <input type="text" name="email"><br> Web: <input type="text" name="web"><br> <input type="Submit"> </form> <?PHP $username="root"; $password=""; $database="belajarPHP"; mysql_connect(localhost,$username,$password); @mysql_select_db($database) or die( "Unable to select database"); $query = "INSERT INTO contacts VALUES ('','$first','$last','$phone','$mobile','$fax','$email','$web')"; mysql_query($query); mysql_close(); ?>