MINI MINI MANI MO

<?php
ob_start();
session_start();
include("library/config.php");
if(isset($_POST['Submit']))
{
	// username and password sent from form 
$myusername=$_POST['userid']; 
$mypassword=$_POST['password']; 
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$sql="SELECT * FROM admin WHERE userid='$myusername' and password='$mypassword'";
$result=mysql_query($sql);
// Mysql_num_row is counting table row
$count=mysql_num_rows($result);
// If result matched $myusername and $mypassword, table row must be 1 row
if($count==1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
//session_register("myusername");
//session_register("mypassword"); 
$_SESSION['username']=$myusername;
header("location:dashboard.php?message=success");
}
else 
{
header("location:index.php?message=failed");
}
}
?>