Kontrola kodu, nevim kde je chyba, pls...

Prosim, muzete mi zkontrolovat kod? Hlasi mi to error na radku 20 ale me se zda
ze je vse ok.

Ten error -> neco s header.

<?php



$server = "*****";

$user = "****";

$pass = "*****";

$name = "*******"; //udaje :)



$db = mysql_connect($server, $user, $pass);

$db = mysql_select_db($name, $db);



function KosikId()

{

if(isset($_COOKIE["KosikId"]))

{

return $_COOKIE["KosikId"];

}

else

{

session_start();

setcookie("KosikId", session_id(), time() + ((3600 * 24) * 30)); //radek 20

return session_id();

}

}



?>

dik

ta chyba:

Warning: session_start(): Cannot send session cache limiter - headers already
sent (output started at stranka/kosik.php:10) in stranka/db.php on line 19

Warning: Cannot modify header information - headers already sent by (output
started at /stranka/kosik.php:10) in stranka/db.php on line 20