function forums_fid()
{
    if (!defined('FORUMS_FID'))
    {
        $maktaba_fid = '14';
        $ask_question_fid = '9';
    }
    define('FORUMS_FID', 1);
}

forums_fid();
$maktaba = '<a href="www.domain.com/forumdisplay.php?fid='.$maktaba_fid.'"><img src="./images/maktaba.png" alt="" title=""></a>';
$ask_question = '<a href="www.domain.com/newthread.php?fid='.$ask_question_fid.'"><img src="./images/ask-question.png" alt="" title=""></a>';