lacak problemnya.

<?php
include ('connect.php');
if(isset($_POST['update']))
{
    $id=$_POST['id'];
    $nama=$_POST['nama'];
    $ttl=$_POST['ttl'];
    $jk=$_POST['jk'];
    $agama=$_POST['agama'];
    $no_hp=$_POST['no_hp'];
    $alamat=$_POST['alamat'];
    $status=$_POST['status'];
    $pangkat=$_POST['pangkat'];
    $jenis_gambar=$_FILES['upload']['type'];//baru
    $namafolder="image/";


    if($jenis_gambar=="image/jpeg" || $jenis_gambar=="image/jpg" || $jenis_gambar=="image/gif" || $jenis_gambar=="image/x-png")
    {

    //baru
        $gambar = $namafolder . basename($_FILES['upload']['name']);
        if (move_uploaded_file($_FILES['upload']['tmp_name'], $gambar))
        {
        $sql0="update input set nama='$nama', ttl='$ttl', jk='$jk', agama='$agama', no_hp='$no_hp', alamat='$alamat', status='$status', pangkat='$pangkat', upload='$gambar'
        where id='$id'";
            $sql=mysql_query($sql0);
            if ( $sql ){
/*
                echo '<script type="text/javascript">
                //<![CDATA[
                alert("Berhasil di-Edit");
                window.location="berhasil_admin.php"
                //]]>
                </script>';
*/
            }
            else
            {
                echo 'java<script type="text/javascript">
                //<![CDATA[
                alert("Gagal Dikirim");

                //]]>
                </script>';
                $error=1;
            }
            //baru
        } else {
            echo 'java<script type="text/javascript">
        //<![CDATA[
        alert("Ada Kesalahan pengiriman");

        //]]>
        </script>';
            $error=1;
        }

        // lama
        if(empty($error)){
        //prosess data
            echo '<script type="text/javascript">
        //<![CDATA[
        alert("berhasil Di-edit");
        window.location="berhasil_admin.php"
        //]]>
        </script>';
        }else{

        }

    }else{
        echo 'java<script type="text/javascript">
        //<![CDATA[
        alert("Jenis gambar yang anda kirim salah. Harus .jpg .gif .png");

        //]]>
        </script>';
            $error=1;

    }

    //$query=mysql_query("update input set nama='$nama', ttl='$ttl', jk='$jk', agama='$agama', no_hp='$no_hp', alamat='$alamat', status='$status', pangkat='$pangkat'
    //where id='$id'");
} else {
    echo "error";
}