[Login script]

Hey I got some problems with this logginscript, I dont know how to get the loginform to disapare when the bloggform apars... and when i try to use the wrong password it wont tell me that its wrong...
try it at [url=http://munchmoller.com/ink/blogg.php]http://munchmoller.com/ink/blogg.php[/url] (it wont blogg on my page as that obyusly would be a bit dumb:P anny one that can help me?

here is the code:
[code]<?php

$username = "ink";
$password = "pass";
$realdate  = date("d.m.Y");
$username2 = $_POST['userlog'];
$password2 = $_POST['passlog'];
?>

<form name="form" method="post" action="<?php $_SERVER['PHP_SELF']; ?>">
    <label for="userlog">Username:</label><br />
    <input type="text" name="userlog">
    <br /><label for="passlog">Password:</label><br />
    <input type="password" name="passlog">
    <br /><input type="submit" name="Submit" value="Login"><br />
</form>

<?php

if($username2 != $username and $password2 != $password){ 
if(($username != $username2) and ($password != $password2)){
  echo "Wrong.<br /><a href=index?side=blogg>Back</a>"; 
  exit;
}else{

?>

<div align="center"><h2>Nytt blogginnlegg.</h2></div>
<form name="form2" action="index.php?side=bloggsend" method="post" class="style1">
<label for="date">Dato:</label><br /> 
    <input type="text" name="date" class="text2" value="<?php echo $realdate;?>"><br />
<label for="headline">Overskrift</label><br />
    <input type="text" name="headline" class="text2"> <br />
Innlegg:<br />
    <textarea cols="75" rows="25" name="mld" class="text2"></textarea>
    <br /><div align="right">-Ink</div>
    <input name="submit" type="submit" class="knapp" value="Send">
    <input name="reset" type="reset" class="knapp" value="Reset">
    <br />
</form>
Gamle innlegg: <br /><br />

<?php
$fil=fopen("news.txt", "r");
$innhold=fread($fil, filesize("news.txt"));
fclose($fil);
echo("$innhold");
}
}
?>[/code]