Nohtreya

[b]H[/b]ello all php´ers! I have an Login script dat works with Sessions and Mysql! But I have one problem: If you enter the username RIGHT but the password WRONG it shows a blank page :S But if I enter another input it shows the right Error text :S Here is my script: [code] <?php session_start(); if ($_SESSION['login'] == 1){ echo " :: Logged: <b>$naam</b> <hr> :: <a href='index.php?page=regist'>Register a customer</a><br> :: <a href='index.php?page=list_klachten'>View list</a><br> :: <a href='index.php?page=logout'>Logout</a><br> "; }else{ if($_POST['submit']) { $query = mysql_query("SELECT * FROM helpdesk_login WHERE gebruikersnaam = '".$_POST['username']."'") or die (mysql_error());   $result = mysql_fetch_object($query);   $naam = $result->gebruikersnaam;   $wachtwoord = $result->wachtwoord;   $session_id = $result->type; if(!$_POST['username'] == "$naam" || !$_POST['password'] == "$wachtwoord") {   echo "The data are not correctly!<br><br><a href='javascript:history.back(1)'><u>Return</u></a><br><br>";   echo "<br />"; } elseif($session_id == 0) { print "You're account isn't activated yet.<br><br><a href='javascript:history.back(1)'><u>Return</u></a><br><br>"; } else { if($_POST['username'] == "$naam"  && $_POST['password'] == "$wachtwoord") {   $_SESSION['username'] = $naam; if ($session_id == '1'){   $_SESSION['login'] = "1"; } $_SESSION['naam'] = $naam;   echo "Now logged in as: <b>$naam</b><br><br>Click <a href='index.php'>here</a> to continue."; } } } else { ?> <form name="form1" method="post" action=""> Username:<br> <input name="username" type="text"  /><br> <br> Password:<br> <input name="password" type="password" /><br> <br> <input type="submit" name="submit" value="Login" /> </form> <? } } ?> [/code] Thanks in advance  ;D