<?php

 // Connects to your Database

 mysql_connect("your.hostaddress.com", "username", "password") or die(mysql_error());

 mysql_select_db("Database_Name") or die(mysql_error());


 //Checks if there is a login cookie

 if(isset($_COOKIE['ID_my_site']))


 //if there is, it logs you in and directes you to the members page

 {
 	$username = $_COOKIE['ID_my_site'];

 	$pass = $_COOKIE['Key_my_site'];

 	 	$check = mysql_query("SELECT * FROM users WHERE username = '$username'")or die(mysql_error());

 	while($info = mysql_fetch_array( $check ))

 		{

 		if ($pass != $info['password'])

 			{

 			 			}

 		else

 			{

 			header("Location: members.php");



 			}

 		}

 }


 //if the login form is submitted

 if (isset($_POST['submit'])) { // if form has been submitted



 // makes sure they filled it in

 	if(!$_POST['username'] | !$_POST['pass']) {

 		die('You did not fill in a required field.');

 	}

 	// checks it against the database



 	if (!get_magic_quotes_gpc()) {

 		$_POST['email'] = addslashes($_POST['email']);

 	}

 	$check = mysql_query("SELECT * FROM users WHERE username = '".$_POST['username']."'")or die(mysql_error());



 //Gives error if user dosen't exist

 $check2 = mysql_num_rows($check);

 if ($check2 == 0) {

 		die('That user does not exist in our database. <a href=add.php>Click Here to Register</a>');

 				}

 while($info = mysql_fetch_array( $check ))

 {

 $_POST['pass'] = stripslashes($_POST['pass']);

 	$info['password'] = stripslashes($info['password']);

 	$_POST['pass'] = md5($_POST['pass']);



 //gives error if the password is wrong

 	if ($_POST['pass'] != $info['password']) {

 		die('Incorrect password, please try again.');

 	}

 else

 {


 // if login is ok then we add a cookie

 	 $_POST['username'] = stripslashes($_POST['username']);

 	 $hour = time()   3600;

 setcookie(ID_my_site, $_POST['username'], $hour);

 setcookie(Key_my_site, $_POST['pass'], $hour);



 //then redirect them to the members area

 header("Location: members.php");

 }

 }

 }

 else

{



 // if they are not logged in

 ?>

 <form action="<?php echo $_SERVER['PHP_SELF']?>" method="post">

 <table border="0">

 <tr><td colspan=2><h1>Login</h1></td></tr>

 <tr><td>Username:</td><td>

 <input type="text" name="username" maxlength="40">

 </td></tr>

 <tr><td>Password:</td><td>

 <input type="password" name="pass" maxlength="50">

 </td></tr>

 <tr><td colspan="2" align="right">

 <input type="submit" name="submit" value="Login">

 </td></tr>

 </table>

 </form>

 <?php

 }



 ?>