arkadaşlar düzelt.php dosyamda bi hata alıyorum çözemedim

Çözebilen varsa sevinirim.
hata şu : Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/yuksel/public_html/cms/yonet/duzelt.php:3) in /home/yuksel/public_html/cms/yonet/duzelt.php on line 5
kodlarım aşağıda
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<?php require_once('../mysql/db.php'); ?>
<?php
session_start();
$MM_authorizedUsers = "";
$MM_donotCheckaccess = "true";
// *** Restrict Access To Page: Grant or deny access to this page
function isAuthorized($strUsers, $strGroups, $UserName, $UserGroup) {
// For security, start by assuming the visitor is NOT authorized.
$isValid = False;
// When a visitor has logged into this site, the Session variable MM_Username set equal to their username.
// Therefore, we know that a user is NOT logged in if that Session variable is blank.
if (!empty($UserName)) {
// Besides being logged in, you may restrict access to only certain users based on an ID established when they login.
// Parse the strings into arrays.
$arrUsers = Explode(",", $strUsers);
$arrGroups = Explode(",", $strGroups);
if (in_array($UserName, $arrUsers)) {
$isValid = true;
}
// Or, you may restrict access to only certain users based on their username.
if (in_array($UserGroup, $arrGroups)) {
$isValid = true;
}
if (($strUsers == "") && true) {
$isValid = true;
}
}
return $isValid;
}
$MM_restrictGoTo = "ok.php?mesaj=giris";
if (!((isset($_SESSION['MM_Username'])) && (isAuthorized("",$MM_authorizedUsers, $_SESSION['MM_Username'], $_SESSION['MM_UserGroup'])))) {
$MM_qsChar = "?";
$MM_referrer = $_SERVER['PHP_SELF'];
if (strpos($MM_restrictGoTo, "?")) $MM_qsChar = "&";
if (isset($QUERY_STRING) && strlen($QUERY_STRING) > 0)
$MM_referrer .= "?" . $QUERY_STRING;
$MM_restrictGoTo = $MM_restrictGoTo. $MM_qsChar . "accesscheck=" . urlencode($MM_referrer);
header("Location: ". $MM_restrictGoTo);
exit;
}
?>
<?php
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
$theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) : $theValue;
switch ($theType) {
case "text":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "long":
case "int":
$theValue = ($theValue != "") ? intval($theValue) : "NULL";
break;
case "double":
$theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
break;
case "date":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "defined":
$theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
break;
}
return $theValue;
}
$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
$editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}
if ((isset($_POST["MM_update"])) && ($_POST["MM_update"] == "form2")) {
$updateSQL = sprintf("UPDATE sayfalar SET sira=%s, sayfa=%s, menu=%s, baslik=%s, icerik=%s WHERE id=%s",
GetSQLValueString($_POST['sira'], "int"),
GetSQLValueString($_POST['sayfa'], "text"),
GetSQLValueString($_POST['menu'], "text"),
GetSQLValueString($_POST['baslik'], "text"),
GetSQLValueString($_POST['icerik'], "text"),
GetSQLValueString($_POST['id'], "int"));
mysql_select_db($database_db, $db);
$Result1 = mysql_query($updateSQL, $db) or die(mysql_error());
$updateGoTo = "ok.php?mesaj=duzelt";
if (isset($_SERVER['QUERY_STRING'])) {
$updateGoTo .= (strpos($updateGoTo, '?')) ? "&" : "?";
$updateGoTo .= $_SERVER['QUERY_STRING'];
}
header(sprintf("Location: %s", $updateGoTo));
}
$colname_Recordset1 = "1";
if (isset($_GET['id'])) {
$colname_Recordset1 = (get_magic_quotes_gpc()) ? $_GET['id'] : addslashes($_GET['id']);
}
mysql_select_db($database_db, $db);
$query_Recordset1 = sprintf("SELECT * FROM sayfalar WHERE id = %s", $colname_Recordset1);
$Recordset1 = mysql_query($query_Recordset1, $db) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-9">
<link href="admin.css" rel="stylesheet" type="text/css">
<!-- TinyMCE -->
<script language="javascript" type="text/javascript">
tinyMCE.init({
mode : "textareas",
theme : "advanced",
plugins : "table,advhr,advimage,advlink,iespell,insertdatetime,preview,zoom,media,searchreplace,print,contextmenu,paste,directionality,fullscreen",
theme_advanced_buttons1_add_before : "newdocument,separator",
theme_advanced_buttons1_add : "fontselect,fontsizeselect",
theme_advanced_buttons2_add : "separator,insertdate,inserttime,preview,zoom,separator,forecolor,backcolor",
theme_advanced_buttons2_add_before: "cut,copy,paste,pastetext,pasteword,separator,search,replace,separator",
theme_advanced_buttons3_add_before : "tablecontrols,separator",
theme_advanced_buttons3_add : "iespell,media,advhr,separator,print,separator,ltr,rtl,separator,fullscreen",
theme_advanced_toolbar_location : "top",
theme_advanced_toolbar_align : "left",
theme_advanced_statusbar_location : "bottom",
content_css : "../stil.css",
plugi2n_insertdate_dateFormat : "%d-%m-%Y",
plugi2n_insertdate_timeFormat : "%H:%M:%S",
paste_use_dialog : false,
theme_advanced_resizing : true,
theme_advanced_resize_horizontal : false,
paste_auto_cleanup_on_paste : true,
paste_convert_headers_to_strong : false,
paste_strip_class_attributes : "all",
paste_remove_spans : false,
paste_remove_styles : false
});
function fileBrowserCallBack(field_name, url, type, win) {
// This is where you insert your custom filebrowser logic
alert("Filebrowser callback: field_name: " + field_name + ", url: " + url + ", type: " + type);
// Insert new URL, this would normaly be done in a popup
win.document.forms[0].elements[field_name].value = "herhangi.htm";
}
</script>
<!-- /TinyMCE -->
</head>
<body>
<fieldset><legend>Buradan oluşturduğunuz sayfayı düzenleyebilirsiniz</legend>
<form method="post" name="form2" action="<?php echo $editFormAction; ?>">
<table width="100%" border="0" cellpadding="5">
<tr>
<td>Sayfa Sıra No : </td>
<td><input type="text" name="sira" value="<?php echo $row_Recordset1['sira']; ?>" size="32"></td>
<td>Sayfa URL Adı : </td>
<td><input type="text" name="sayfa" value="<?php echo $row_Recordset1['sayfa']; ?>" size="32"></td>
</tr>
<tr>
<td>Sayfanın Menüdeki Adı : </td>
<td><input type="text" name="menu" value="<?php echo $row_Recordset1['menu']; ?>" size="32"></td>
<td>Sayfa İçerik Başlığı : </td>
<td><input type="text" name="baslik" value="<?php echo $row_Recordset1['baslik']; ?>" size="32"></td>
</tr>
<tr>
<td colspan="4" valign="top">Sayfa İçeriği : <br><br>
<?
$aq = $row_Recordset1['icerik'];
include("wysiwyg/fckeditor.php");
$oFCKeditor = new FCKeditor('icerik');
$oFCKeditor->BasePath="wysiwyg/";
$oFCKeditor->Width="700";
$oFCKeditor->Height="400";
$oFCKeditor->Value="$aq";
//$oFCKeditor->ToolbarSet="Basic";
$oFCKeditor->Create();
?></td>
</tr>
<tr>
<td colspan="4" valign="top"><input type="submit" value="Sayfayı düzelt"></td>
</tr>
</table>
<input type="hidden" name="MM_update" value="form2">
<input type="hidden" name="id" value="<?php echo $row_Recordset1['id']; ?>">
</form>
</fieldset>
</body>
</html>
<?php
mysql_free_result($Recordset1);
?>