<?
header("content-type: ". mimetype($_REQUEST['format']));
header("Content-type: application/force-download"); 
header("Content-Disposition: attachment; filename=export_rapport".date("Ymd_Hi").".".$_REQUEST['format']); 

function mimetype($file){ 
 $file2mime = array(  
 "doc"=>"application/msword", 
 "htm"=>"text/html", 
 "html"=>"text/html", 
 "xlm"=>"application/vnd.ms-excel"
 );  
  return @$file2mime[$file]; 
}

include($_SERVER['DOCUMENT_ROOT']."/mysql_inc.php");

echo mysql_result(mysql_query("SELECT content FROM report WHERE id = '".intval($_REQUEST['id'])."'"), 0);

mysql_close($connexion);
?>