echo'<form action="'.htmlspecialchars($_SERVER["PHP_SELF"]).'" method="post">
	Name: <input type="text" name="dname"><br>
	Pass: <input type="text" name="demail"><br>
	<input name="logopz" type="submit">
</form>';

if(isset($_POST["logopz"])){
    $file = fopen('baza/users.txt', 'r');
    $good=false;
    while(!feof($file)){
        $line = fgets($file);
        $array = explode(":",$line);
        if(trim($array[0])==$_POST["dname"] && trim($array[1])==$_POST["demail"]){
            $good=true;
            break;
        }
    }

    if($good){
       header("refresh:1;url=raports.php");
	   echo'<center><div class="debug"><img src="small.gif"><BR/>Wczytywanie...</div></center><BR/><BR/>';
    }else{
        $message="Try again";
        echo $message; //dodane
    }
fclose($file);
}