<?php
include 'db.php';
//informatie uit verzenden opvragen
$username = $_POST['username'];
$pw = $_POST['password'];
$password = sha1($pw);

//table
$table = "users";

//Sql injectie tegengaan
$username = stripslashes($username);
$password = stripslashes($password);
$username = mysql_real_escape_string($username);
$password = mysql_real_escape_string($password);

$sql="SELECT * FROM $tbl_name WHERE username='$username' and password='$password'";
$result=mysql_query($sql);

$count=mysql_num_rows($result);

//als er resultaat is
if($count==1){
session_register("username");
session_register("password");
header("location:overview.php");
}
else {
header("Location: login.php");
}
?>