CSV-File-Generierung und IE

<?php
//name:csv.php
session_start();
include('auth.php');  
include('Connection/db_connect.php');  

header('Content-Type: text/x-csv');  
header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');  
header('Content-Disposition: attachment; filename='.gmdate("Y-m-d").'_consignment_overview.csv');  
header('Pragma: no-cache');  
$query=$_POST['csv'];  
$query=stripslashes($query);
//echo $query;
$ResultPointer = mysql_query($query);

$Export = "";  
$Export.="\"MC\";";  
$Export.="\"consignor\";";  
$Export.="\"avis-date\";";  
$Export.="\"delivery-date\";";  
$Export.="\"manifest number\";";  
$Export.="\"number\";";  
$Export.="\"weight\";";  
$Export.="\"status\";";  
$Export.="\"last change\";";  
$Export.="\r\n";  

for($i = 0; $i < mysql_num_rows($ResultPointer); $i++)
{
    $Daten = mysql_fetch_object($ResultPointer);

    $Spalte = str_replace("\"", "\"\"", $Daten->MC);  
    $Spalte = str_replace("\"", "\"\"", $Daten->Abs);  
    $Spalte = str_replace("\"", "\"\"", $Daten->Datum_Auftr);  
    $Spalte = str_replace("\"", "\"\"", $Daten->Datum_Liefer);  
    $Spalte = str_replace("\"", "\"\"", $Daten->borderonr);  
    $Spalte = str_replace("\"", "\"\"", $Daten->Gesamtpalette);  
    $Spalte = str_replace("\"", "\"\"", $Daten->Gewicht);  
    $Spalte = str_replace("\"", "\"\"", $Daten->Status);  
    $Spalte = str_replace("\"", "\"\"", $Daten->changed);  
    
    for($j = 0; $j < count($Spalte); $j++)
    {
        $Export .= "\"" . $Spalte[$j] . "\"";  
        if($j != count($Spalte)-1)
        {
            $Export .= ";";  
        }
    }
    $Export .= "\r\n";  
    $Spalte = "";  
}
echo $Export;
?>