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<?php
session_start();
?>

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="site.css">
</head>
<body>
<div class="frame">
<div class="headerf"></div>
<div class="contentf">
<h3>Incorrect user credentials.</h3>
<?php
include("info.inc.php");
$comm=@mysql_connect(localhost,$username,$password);
$rs=@mysql_select_db($database) or die( "Unable to select database");

// username and password sent from form
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];

// To protect MySQL injection
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$sql="SELECT * FROM users WHERE username='$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 "index.php"
$_SESSION["username"] = $myusername;
$_SESSION["password"] = $mypassword;
header("location:../index.php");
}
else {
echo "Please return to the log-in page.";
}
?>

<form name="form" method="post" action="../login.php"><br>
<td><input type="submit" name="Submit" value="Back"></td>
</div>
</div>
</body>
</html>