script language='JavaScript'>
<!--
window.open('anmeldung_pdf.php?<?=session_id(); ?>', '_blank')
//-->
</script>

<script language='JavaScript'>
<!--
window.open('anmeldung.php?<? $_SESSION["meinesession"]; ?>', '_blank')
//-->
</script>

<?php
session_start();
if ($_SESSION["meinesession"]) {
echo "Bla bla";
} else { echo "Kein Zugriff!"; }
?>

<script language='JavaScript'>
<!--
window.open('anmeldung.php?<? echo $_SESSION["meinesession"]; ?>', '_blank')
//-->
</script>

<?php
session_start();
if ($_SESSION['anmeldung']) {
include('db.inc.php');
require('./pdf/fpdf.php');
$query = "SELECT * FROM anmeldung ORDER BY id DESC LIMIT 1";
$result = mysql_query($query);
while($row = mysql_fetch_assoc($result)) {
$id = $row["id"];
$name = $row["name"];
$vorname = $row["vorname"];
$adresse= $row["adresse"];
$nr = $row["nr"];
$plz = $row["plz"];
$ort = $row["ort"];
$telgesch = $row["telgesch"];
$telprivat = $row["telprivat"];
$email = $row["email"];
$modell = $row["modell"];
$jahrgang  = $row["jahrgang"];
$motivation = $row["motivation"];

$pdf=new FPDF();
$pdf->AddPage();
$pdf->SetFont('Arial','B',16);
$pdf->Cell(40,10,$id);
$pdf->Cell(50,10,$name);
$pdf->Cell(60,10,$vorname);
$pdf->Output();

}

} else { echo "Kein Zugriff!"; }
?>