Thanks for vbet but i notice some strange problem with cmps_index page.
I have my cmps_index.php pag renamed to bindex.php. But when i am trying to click the trnalstor for example arabic, it is showing a cut link like

www.mywebsite.com/ar/b
which is supposedly to be

www.mywebsite.com/ar/bindex.php
And it is same for all translation. what shall i do to fix this error. thanks in advance.