<?
    function ras_to_mime($ras=null)
    {
        if ($ras==null)
        {
            return 'application/octet-stream';
        } else {
            $htaccess=file(H.'.htaccess');
            for ($i=0;$i<count($htaccess);$i++)
            {
                if (preg_match('#^AddType#i',trim($htaccess[$i])))
                {
                    $type=explode(' ', trim($htaccess[$i]));
                    $rass=str_replace('.',null,$type[2]);
                $mime[$rass]=$type[1];
                }
            }
            if (isset($mime[$ras]))
            {
                return $mime[$ras];
            } else return 'application/octet-stream';
        }
    }
?>