I have a problem when i try to download a file in Microsoft Internet
Explorer, it works fine in Netscape Navigator the code is next :

<?
 $title = "Download";
 require "../common.html";
 require "../include/funciones.html";
?>
<?
  page_open(array("sess"=>"Session_WELL"));
  $qki = "HBid=rwerew32rfsdfsfsdsfd";
  $priv = "111111111111100000000000000011";
  $usr = "nom";
  $File = "TXT";
  $particularFields =
"&Month=".urlencode($Month)."&FrAccount=".urlencode($FrAccount)."&Year=".urlencode($Year)."&File=".urlencode($File);

  PostToHost($backend, "/IBnkIIS.dll",
"Trxn=stm&Access=".urlencode($Access)."&CustID=".urlencode($usr)."&Cadpriv=".urlencode($priv).$particularFields,
$qki, $usr, $qki, $priv);
  switch($File) {
  case "TXT":
   Header("Accept-Ranges: bytes");
   Header("Keep-Alive: timeout=15, max=100");
   Header("Content-type: text/plain");
   break;
  case "QIF":
   Header("Content-type: text/qif");
   break;
  case "OFC":
   Header("Content-type: text/ofc");
   break;
  }
  printbuffer();
  page_close();
?>