php
its so simply!
first, create php file, for example, banner.php that contain this code:
<?php
$quot_arr=array(
'Your advertising Num.1',
'Your advertising Num.2',
'Your advertising Num.3',
'Your advertising Num.4',
'Your advertising Num.5',
);
$quot_rand=rand(0,count($quot_arr)-1)...