Login systeem met apparte pagina's

<?php
if($_COOKIE["gebruikersID"] == 1){
?>

<!-- Dump hier je hele startpagina voor gebruiker 1 -->

<?php
}
elseif($_COOKIE["gebruikersID"] == 2){
?>

<!-- Dump hier je hele startpagina voor gebruiker 2 -->

<?php
}
?>

<?php
if($_COOKIE["gebruikersID"] == 1){
?>
 
<!-- Dump hier je hele startpagina voor gebruiker 1 -->
 
<?php
}
elseif($_COOKIE["gebruikersID"] == 2){
?>
 
<!-- Dump hier je hele startpagina voor gebruiker 2 -->
 
<?php
}
?>

CREATE TABLE `members` (
`id` int(4) NOT NULL auto_increment,
`username` varchar(65) NOT NULL default '',
`password` varchar(65) NOT NULL default '',
PRIMARY KEY  (`id`) ) TYPE=MyISAM AUTO_INCREMENT=2 ;

CREATE TABLE `members` (
`id` int(4) NOT NULL AUTO_INCREMENT,
`username` varchar(65) NOT NULL DEFAULT '',
`password` varchar(65) NOT NULL DEFAULT '',
PRIMARY KEY  (`id`) ) TYPE=MyISAM AUTO_INCREMENT=2 ;

<form method="post" action="login.php">
<br />Username: <input type="text" id="username" name="username">
<br />Password: <input type="password" id="password" name="password">
<br /><input type="submit" name="Login" value="Login"> </form>

<form method="post" action="login.php">
<br />Username: <input type="text" id="username" name="username">
<br />Password: <input type="password" id="password" name="password">
<br /><input type="submit" name="Login" value="Login"> </form>

<?php

// Database Connect
$host="localhost"; // Host name
$dbusername="arti"; // Mysql username
$dbpassword="jamiel"; // Mysql password
$db_name="members"; // Database name

// Tabel Connect
$tbl="members";

// Connect, Member select
mysql_connect("$host", "$dbusername", "$dbpassword")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
$username=$_POST['username'];
$password=$_POST['password'];
$sql="SELECT * FROM $tbl WHERE username='$username' and password='$password'";
$result=mysql_query($sql);

// Row count
$count=mysql_num_rows($result);

// If result matched $username and $password, table row must be 1

if($count==1){

// Register $myusername, and redirect to file "login_success.php"
session_start();
$_SESSION["logged"] = 1;
header("location:login_success.php");
}
else {
$_SESSION["logged"] = 0;
header("location:index.php");
}
?>

<?php
 
// Database Connect
$host="localhost"; // Host name
$dbusername="arti"; // Mysql username
$dbpassword="jamiel"; // Mysql password
$db_name="members"; // Database name
 
// Tabel Connect
$tbl="members";
 
// Connect, Member select
mysql_connect("$host", "$dbusername", "$dbpassword")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
$username=$_POST['username'];
$password=$_POST['password'];
$sql="SELECT * FROM $tbl WHERE username='$username' and password='$password'";
$result=mysql_query($sql);
 
// Row count
$count=mysql_num_rows($result);
 
// If result matched $username and $password, table row must be 1
 
if($count==1){
 
// Register $myusername, and redirect to file "login_success.php"
session_start();
$_SESSION["logged"] = 1;
header("location:login_success.php");
}
else {
$_SESSION["logged"] = 0;
header("location:index.php");
}
?>

<?php session_start();  
if($_POST["id"] == 1){
?>

echo(Hoi);

<?php
}
elseif($_POST["id"] == 2){
?>

echo(Welkom);

<?php
}
?>

<?php session_start();  
if($_POST["id"] == 1){
?>
 
echo(Hoi);
 
<?php
}
elseif($_POST["id"] == 2){
?>
 
echo(Welkom);
 
<?php
}
?>

echo(Welkom);

echo(Welkom);

echo('Welkom');

echo('Welkom');

header("location:login_success.php");

header("location:login_success.php");

if($_POST["id"] == 1){

if($_POST["id"] == 1){