}
else
{
  require('inc/biblio.php');
  include('inc/cbdd.php');
  $r=mysql_query("select `id`,`pwd`,`key` from `user` where `name`='$user'") or die('Erreur sql : '.mysql_error());
  if(mysql_num_rows($r)==0) href('?err=Identifiant incorrect');
  list($id,$pwd,$key)=mysql_fetch_row($r);
  if($pwd==substr(crypt($pw,$key),2))
  {
    $pwc=hash_($pwd,ipsalt($_SERVER['REMOTE_ADDR']));
    setcookie('id',$id,time()+36000); //expire dans 10h
    setcookie('pwc',$pwc,time()+36000);
    mysql_query("update `user` set `ip`='$REMOTE_ADDR' where `id`='$id'");
    if($id==1) //admin
      enter('admin.php');
    else
      enter('page1.php');
  }
  else
  {
    href("?user=$user&err=Mot de passe incorrect");
  }
}
?>