<? 
    if ($_POST[git] == 'ok'){ 
    header("Location: http://www.videoay.com/video_indir.php?id=$_POST[video_id] "); 
    } 
    echo '<form method="POST" action="you.php">'."\n"; 
    echo '  <input type="text" name="video_id" size="22">'."\n"; 
    echo '  <input type="hidden" name="git" size="22" value="ok">'."\n"; 
    echo '  <input type="submit" value="Gönder" name="B1">'."\n"; 
    echo '</form>'."\n"; 
?>