alert

<h1 class="page-header"> <span class="glyphicon glyphicon-user"></span> &nbsp Input Data Siswa</h1>
    <div class="row placeholders well">
         <div id="error" class="alert alert-info">
        <a href="#" class="close" data-dismiss="alert">&times;</a>
        <strong>ERROR</strong> Please read the comments carefully.
        </div>
        <div id="success" class="alert alert-info">
        <a href="#" class="close" data-dismiss="alert">&times;</a>
        <strong>SUCCESS!</strong> Please read the comments carefully.
        </div>
        <div class="col-sm-offset-3">
        <br/><br/><br/>
        <form class="form-horizontal" method="post" action="" enctype="multipart/form-data">
         <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Nama</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="Nama" name="nama" required />
            </div>
          </div>
           <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">No Induk</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="No Induk " name="no_induk" required />
            </div>
          </div>
           <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Foto</label>
            <div class="col-sm-5">
              <input type="file" class="form-control" placeholder="Mata Pelajaran" name="foto"  />
            </div>
          </div>
           <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Jurusan</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="jurusan" name="jurusan" required />
            </div>
          </div>
          <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Kelas</label>
            <div class="col-sm-5">
              <input type="text" class="form-control" placeholder="Kelas" name="kelas" required />
            </div>
          </div>
          <input type="hidden" class="form-control" placeholder="jurusan" name="password" value="polke" required />
        <div class="form-group">
            <div class="col-sm-offset-1 col-sm-6">
              <button type="submit" name="submit" class="btn btn-primary btn-lg">Input Soal</button>
            </div>
         </div>
        </form>
        </div>
    </div>
<?php
if(isset($_POST['submit'])){
    $nama       =$_POST['nama'];
    $no_induk   =$_POST['no_induk'];
    $foto       =$_FILES['foto']['name'];
    $jurusan    =$_POST['jurusan'];
    $kelas      =$_POST['kelas'];
    $password   =$_POST['password'];
    $folder     = "foto/";
    $folder     = $folder .basename($_FILES['foto']['name']);

    $sql    ="INSERT INTO `tbl_siswa` VALUES ('','$no_induk','$nama','$foto','$jurusan','$kelas',md5('$password'))";
    $query = mysql_query($sql);

    if($query){
    move_uploaded_file($_FILES['foto']['tmp_name'], $folder);
?>
    <script type="text/javascript">
    $(document).ready(function(){
    $(".close").click(function(){
        $("#succes").alert();
    });
    });
    window.location="index2.php?halaman=input_siswa";
    </script>

<?php
    }else{
?>
    <script type="text/javascript">
    $(document).ready(function(){
    $(".close").click(function(){
        $("#error").alert();
    });
    });
    window.location="index2.php?halaman=input_siswa";
    </script>

<?php
    }
}
?>