forgot password

<?php
if(isset($_POST["Request"])){
    $usr=$_POST["email"];
    $pas=$_POST["telephone"];

            if(cekCustomer($usr,$pas)<1){
                if(cekMember($usr,$pas)<1){

                session_destroy();
                    echo "<script>alert('Otentikasi Cek Validasi GAGAL !,Silakan cek data Anda kembali...');
                    document.location.href='index.php?mnu=forgot';</script>";
                }
                }
}



function cekMember($usr,$pas){
    $ada=0;
$sa="select * from `tb_member` where `email`='$usr' and `telephone`='$pas' and `status`='Aktif'";
                $qa=mysql_query($sa);
                if(mysql_num_rows($qa)<1){
                    $ada=0;
                }
                else{
                    $ada=1;
                    $da=mysql_fetch_array($qa);
                    $username=$da["username"];
                    $password=$da["password"];

                    $nama=$da["nama_member"];
                    echo "<script>alert('Yth $nama, Gunakan account dengan username: $username dan Password: $password untuk login !');
                    document.location.href='index.php?mnu=home';</script>";
                    }
                    return $ada;
    }



function cekCustomer($usr,$pas){
    $ada=0;
$sa="select * from `tb_customer` where `email`='$usr' and `telephone`='$pas' ";
                $qa=mysql_query($sa);
                if(mysql_num_rows($qa)<1){
                    $ada=0;
                }
                else{
                    $ada=1;
                    $da=mysql_fetch_array($qa);

                    $nama=$da["nama_customer"];
                    $username=$da["username"];
                    $password=$da["password"];
                    echo "<script>alert('Yth $nama, Gunakan account dengan username: $username dan Password: $password untuk login !');
                    document.location.href='index.php?mnu=home';</script>";
                    }
                    return $ada;
    }




?>