login

<?php
    if(!isset($_SESSION))
    {
ob_start();
session_start();
    }
$user = $_POST['user'];
$password = $_POST['password'];
$_SESSION['user'] = $user;
$Open = mysql_connect("localhost","ahmada01_ahmada","kxTOIQy4");
if (!$Open){
die ("Koneksi ke Engine MySQL Gagal !<br>");
}
$Koneksi = mysql_select_db("ahmada01_mahasiswa2");
if (!$Koneksi){
die ("Koneksi ke Database Gagal !");
}
$sql = "SELECT * FROM admin where user='$user'";
$qry = mysql_query($sql);
$num = mysql_num_rows($qry);
$row = mysql_fetch_array($qry);
if ($num==0 OR $password!=$row['password']) {
?>
<script language="JavaScript">
alert('Username atau Password tidak sesuai !');
document.location='index.php?link=isi.php';
</script>
<?php
}
else {
$_SESSION['login']=1;
header("Location: index.php?link=home.php");
}
mysql_close($Open); //Tutup koneksi engine MySQL
?>