Database error

[eluser]Jan_1[/eluser]

Code:

<?php
$db_server = "localhost";
$db_user = "root";
$db_passwort = "";
$db = mysql_connect($db_server,$db_user,$db_passwort);
if($db) {  echo "that works"; }
else    {  echo "what have i done before ?"; }
?>

is that a help?