mmm guarda

Codice PHP:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//IT" "http://www.w3.org/TR/html4/loose.dtd">
<? ob_start();?>
<html>
<head>
<title>Sito in costruzione</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<?
  session_register("autorizer"); //line 10
  header ("location: comocommunity.php"); //line 11
?>
</body>
</html>
<? ob_end_flush();?>
ti ho scritto pure i rif di linea come li vedo da Macromedia

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Warning: session_register(): Cannot send session cache limiter - headers already sent (output started at /var/www/netsons.org/comocommunity/comocommunity.php:2) in /var/www/netsons.org/comocommunity/auth.php on line 10

Warning: Cannot modify header information - headers already sent by (output started at /var/www/netsons.org/comocommunity/comocommunity.php:2) in /var/www/netsons.org/comocommunity/auth.php on line 11