If You Know PHP Come Here

hello
i have forget password script
but when password changed successfully
i found another password in sql
and account say wrong password when login into website by the new website

Quote:

<?php
require("ayar.php");
ob_start();
if(isset($_POST["forgotpass"])){
if($kullanici==!""){
header("Location: LimitedAccess.php");
}
$forgotname = anti_injection($_POST["pirroadusername"]);
$forgotmail = anti_injection($_POST["pirroademail"]);
$forgotgz = anti_injection($_POST["pirroadgz"]);
$forgotpw = anti_injection($_POST["pirroadnewpw"]);
$forgotpwt = anti_injection($_POST["pirroadnewpwt"]);
$sifremd5 = md5($pirroadnewpwt);
$emailara = @mssql_query("SELECT * FROM dbo.TB_User WHERE StrUserID = '$forgotname'");
$emailbul = @mssql_fetch_array($emailara);
$pirmail = $emailbul["Email"];
$pirgz = $emailbul["address"];
if($forgotname == "" || $forgotmail == "" || $forgotgz == "")
{
echo "<div class='bilgi-pirroad hata'>Bo‏ alan b‎rakmay‎n !</div>";
}
else if($pirmail != $forgotmail)
{
echo "<div class='bilgi-pirroad hata'>Yazd‎ً‎n‎z E-mail Adresi Yazd‎ً‎n‎z Kullan‎c‎ya Ait Deًildir!</div>";
}
else if($pirgz != $forgotgz)
{
echo "<div class='bilgi-pirroad hata'>Yazd‎ً‎n‎z Gizli Yan‎t Yazd‎ً‎n‎z Kullan‎c‎ya Ait Deًildir!</div>";
}
else if($forgotname == "0")
{
echo "<div class='bilgi-pirroad hata'>Bِyle Bir Kullan‎c‎ Bulunamad‎!</div>";
}
else if($pirmail == "0")
{
echo "<div class='bilgi-pirroad hata'>Yazd‎ً‎n‎z Kullan‎c‎ya Ait E-mail Adresi Bo‏tur.Yetkililerle فleti‏ime Ge�in!</div>";
}
else if($pirgz == "0")
{
echo "<div class='bilgi-pirroad hata'>Yazd‎ً‎n‎z Kullan‎c‎ya Ait Gizli Yan‎t Bo‏tur.Yetkililerle فleti‏ime Ge�in!</div>";
}
else if($forgotpw != $forgotpwt)
{
echo "<div class='bilgi-pirroad hata'>Yeni قifre Ve Yeni قifre Tekrar‎ Uyu‏muyor.Yeniden Deneyin...</div>";
}
else if(strlen($forgotpw) <= "3" || strlen($forgotpw) >= "21")
{
echo "<div class='bilgi-pirroad hata'>قifreniz 4 karakterden k‎sa veya 20 karakterden uzun olamaz..!</div>";
}
else
{
$changegz = @mssql_query("UPDATE dbo.TB_User SET password = '$sifremd5' WHERE StrUserID = '$forgotname'");
if($changegz)
{
echo "<div class='bilgi-pirroad tamamlandi'>Yeni قifreniz Ba‏ar‎yla G�ncellendi...</div>";
}
else
{
echo "<div class='bilgi-pirroad hata'><b>ف‏lem s‎ras‎nda bir hata olu‏tu</div></b>";
}
}
}
?>

<form action="" method="post">
<div class="form_element">
<div class="textfield">Kullan‎c‎ Ad‎n‎z:    <input type="text" class="textfield_regform" name="pirroadusername" id="pirroadusername" value="Kullan‎c‎ Ad‎ ( hesap ad‎ )" onFocus="javascript: if(this.value=='Kullan‎c‎ Ad‎ ( hesap ad‎ )') this.value=''" onBlur="javascript: if(this.value=='') this.value='Kullan‎c‎ Ad‎ ( hesap ad‎ )'" /></div><br />
</div>
<div class="textfield">E-mail Adresi:       < input type="text" class="textfield_regform" name="pirroademail" id="pirroademail" value="Hesaba Ait E-mail Adresi" onFocus="javascript: if(this.value=='Hesaba Ait E-mail Adresi') this.value=''" onBlur="javascript: if(this.value=='') this.value='Hesaba Ait E-mail Adresi'" /></div><br />

<div class="textfield">Gizli Yan‎t‎n‎z:      &nbs p; <input type="text" class="textfield_regform" name="pirroadgz" id="pirroadgz" value="Hesaba Ait Gizli Yan‎t" onFocus="javascript: if(this.value=='Hesaba Ait Gizli Yan‎t') this.value=''" onBlur="javascript: if(this.value=='') this.value='Hesaba Ait Gizli Yan‎t'" /></div><br />

<div class="textfield">Yeni قifre:       &n bsp;       <inp ut type="password" class="textfield_regform" name="pirroadnewpw" id="pirroadnewpw" value="Sifre" onFocus="javascript: if(this.value=='Sifre') this.value=''" onBlur="javascript: if(this.value=='') this.value='Sifre'" /></div><br />

<div class="textfield">Yeni قifre (Tekrar):<input type="password" class="textfield_regform" name="pirroadnewpwt" id="pirroadnewpwt" value="Sifre" onFocus="javascript: if(this.value=='Sifre') this.value=''" onBlur="javascript: if(this.value=='') this.value='Sifre'" /></div><br />

<div class="form_element" id="kaydet">
<br><input type="submit" class="btn primary" name="forgotpass" value="G�ncelle!" style="margin-left:30px">
</div>

</form>

can any one help me ?
sorry for bad english ! :mad: