kas keluar hapus

<?php
include "conn.php";
if(isset($_GET['id'])){
  mysql_select_db($db,$koneksi);
  $query_delete="DELETE FROM akuntansi_db.kas_keluar WHERE kas_keluar.id='{$_GET['id']}'";
  $hasil_delete=mysql_query ($query_delete);
  if ($hasil_delete)
  {
    echo"<script>alert('Data Berhasil Dihapus');location.href='index.php?halaman=kas_keluar';</script>";
  }else
  {
    echo "<script>alert('Data Tidak Berhasil Dihapus');</script>";
  }
}else{
  echo "<script>alert('Data Tidak Berhasil Dihapus, id yg akan dihapus tidak terkirim');</script>"
}
?>