[PHP-DB] insert into mysql

[Robert]

Warning: Supplied argument is not a valid MySQL-Link resource in 
c:\inetpub\wwwroot\rfq.php on line 16
Unable to add part

//--------------------------- Add part ----------------------------------
if($act=="ADD"){
$sql="INSERT INTO ecomm (ID,part) VALUES $sql.="('$sid','$spp')";
if(! mysql_db_query('bruininv','$sql','$db')){echo("Unable to add 
part.");mysql_close($db);exit();}
}