Merhaba ben session ile uyeno olarak bağlanıp üye bilgilerini güncellemek istiyorum ama bir türlü yapamadım bu formda yanlış olan nedir acaba veya düzeltebilen varmı ya kaç gündür uğraşıyorum ?

<?
session_start();
//Cachelemeyi engelle
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
header("Cache-Control: no-store, no-cache, must-revalidate");  // HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache"); // HTTP/1.0
include "ayarlar.php";
$mesaj = "Yeni Kullanıcı Adınızı ve Şifrenizi giriniz.";
//Mevcut Değerleri Oku
include "baglan.php"; //MySQL'e Bağlan
$sorgu = "SELECT * FROM uyeler WHERE uyeno = '$uyeno'";
$sorgula = mysql_query($sorgu) or $hata = "Şifre Değişikliği (15)";
if ($hata != "") { //Hata oluştuysa
   include "hata.php";
   exit;
}
$kuladi = mysql_result($sorgula, 0, "kuladi");  
$sifre   = mysql_result($sorgula, 0, "sifre");
//Giriş tuşuna basıldıysa...
if ( isset($_POST["kaydet"]) ) { 
    $kuladi = $_POST["ykuladi"];
    $sifre = $_POST["ysifre"];
    $sorgu = "update uyeler set kuladi = '$kuladi', sifre = '$sifre'";
 $sorgula = mysql_query($sorgu) or $hata = "Şifre Değişikliği (36)";
 if ($hata != "") { //Hata oluştuysa
    include "kes.php"; 
    include "hata.php";    
    exit;
 }
 $mesaj = "Kullanıcı Adı ve Şifre değiştirildi.";
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-9"> 
<title>Untitled Document</title> 
<style type="text/css"> 
<!-- 
body,td,th { 
 font-family: Arial, Helvetica, sans-serif; 
} 
body { 
 margin-left: 0px; 
 margin-top: 0px; 
 margin-right: 0px; 
 margin-bottom: 0px; 
} 
#panel { 
    background-repeat: no-repeat; 
    font-family: Arial, Helvetica, sans-serif; 
} 
#panel .panelust { 
 background-repeat: no-repeat; 
 background-image: url(images/uyepaneli/uyeust.png); 
 height: 55px; 
} 
#panel #panelic { 
 background-repeat: no-repeat; 
 height: 400px; 
} 
#panel a:link { 
 color: #000066; 
 text-decoration: none; 
 font-weight: normal; 
} 
#panel a:hover { 
 color: #3E89D7; 
 text-decoration: underline; 
} 
#panel a:active { 
 color: #000081; 
 text-decoration: none; 
} 
#panel a:visited { 
 color: #000081; 
 text-decoration: none; 
} 
.style2 {color: #C78717} 
.style11 { 
 font-size: 15px; 
 font-weight: bold; 
} 
--> 
</style> 
</head> 
<body> 
<form  
action="<? echo $_SERVER['PHP_SELF']; //Kendine yolla ?>" method="post" enctype="multipart/form-data" name="fmkayit" onSubmit="return kontrol()"> 
<table width="834" height="380" border="0" cellpadding="0" cellspacing="0" id="panel"> 
  <tr> 
    <td height="47" colspan="2" valign="top"><div class="panelust"> 
      <table width="757" border="0" cellpadding="6"> 
        <tr> 
          <td width="539" valign="top">?php echo'<b>Hoşgeldiniz Sayın, <font color="#FF0000">'.$uyeadsoy.'</font></b>'; ?></td> 
          <td width="263"><a href="urunler.php"><img src="http://forum.ceviz.net/images/uyepaneli/uincele.png" alt="" width="213" height="34" border="0" /></a></td> 
        </tr> 
      </table> 
      </div></td> 
  </tr> 
  <tr> 
    <td width="823" valign="top"><div id="panelic"> 
      <table width="84%" height="165" border="0" cellpadding="10" cellspacing="2"> 
        <tr> 
          <td width="35%" bgcolor="#FFFFCC"><strong>Şifre Değiştir:  
  
  
                <label></label> 
              </strong></td> 
          <td width="45%"><input name="sifre" type="password" id="sifre" value="<? echo $sifre; ?>" /></td> 
          <td width="5%">&nbsp;</td> 
          <td width="15%">&nbsp;</td> 
        </tr> 
        <tr> 
          <td height="42" bgcolor="#FFFFCC"><strong>Adınız ve Soyadınız:          </strong></td> 
          <td><input name="eposta" type="text" id="eposta" value="<? echo $adsoy; ?>" /></td> 
          <td>&nbsp;</td> 
          <td>&nbsp;</td> 
        </tr> 
        <tr> 
          <td height="42" bgcolor="#FFFFCC"><strong>E-Posta Adresiniz:</strong></td> 
          <td><input name="eposta" type="text" id="eposta" value="<? echo $eposta ?>" /></td> 
          <td>&nbsp;</td> 
          <td>&nbsp;</td> 
        </tr> 
        <tr> 
          <td height="39" bgcolor="#FFFFCC"><strong>Adresiniz:</strong></td> 
          <td><textarea name="adres" cols="45" rows="10" id="adres"><? echo $adres; ?></textarea></td> 
          <td>&nbsp;</td> 
          <td>&nbsp;</td> 
        </tr> 
        <tr> 
          <td height="39" bgcolor="#FFFFCC"><span class="style11">Doğum Tarihiniz:</span></td> 
          <td><select name="gun" id="gun"> 
        <? for($g = 01 ; $g < 32 ; $g++) {?> 
        <option value=" <?=$g ?>"> 
          <?=$g ?> 
          </option> 
        <? } ?> 
      </select> 
        <select name="ay" id="ay"> 
          <? for($a = 01 ; $a < 13 ; $a++) {?> 
          <option value="<?=$a ?>"> 
            <?=$a ?> 
          </option> 
          <? } ?> 
        </select> 
        <select name="yil" id="yil"> 
          <? for($y = 1940 ; $y < 2011 ; $y++) {?> 
          <option value="<?=$y ?>"> 
            <?=$y ?> 
          </option> 
          <? } ?> 
      </select></td> 
          <td>&nbsp;</td> 
          <td>&nbsp;</td> 
        </tr> 
        <tr> 
          <td height="39" bgcolor="#FFFFCC"><strong>Cinsiyetiniz:</strong></td> 
          <td><select name="cins" id="cins"> 
        <option value="ERKEK" selected="selected">Erkek</option> 
        <option value="BAYAN">Bayan</option> 
    </select></td> 
          <td>&nbsp;</td> 
          <td> </td> 
        </tr> 
        <tr> 
          <td height="39">&nbsp;</td> 
          <td align="right"> 
            <input style="font-family: Tahoma; font-size: 8pt; color: #FFFFFF; font-weight: bold; border: 1px solid #000000; height:40; width:100; background-color: #ff8400" type="submit" name="kaydet" id="kaydet" value="Kaydet" />        </td> 
          <td colspan="2"><a href="cikis.php">Güvenli Çıkış</a>         </td> 
          </tr> 
      </table>  
    </div></td> 
    <td width="1">&nbsp;</td> 
    </tr> 
  <tr> 
    <td valign="top">&nbsp;</td> 
    <td>&nbsp;</td> 
  </tr> 
  <tr> 
    <td valign="top">&nbsp;</td> 
    <td>&nbsp;</td> 
  </tr> 
  <tr> 
    <td valign="top">&nbsp;</td> 
    <td>&nbsp;</td> 
  </tr> 
</table> 
</form>  
</body> 
</html>