about using arabic language

[mavdes]

1. i installed it
2. i put the Ads.Arabic.php in the language folder
3. smf setting in English worked perfect with the ad management that appear in the admin menu
4. shift to use Arabic
5. the ad management disappear from the admin manager

what i did !!

1. renamed the Ads.Arabic.php to Ads.English.php  did not work also
2. even edit Ads.English.php and put Arabic translation inside it without changing the file name.. and did not work

whats the problem??

thank u in advance

[solved] : the problem solved by renaming the arabic translation file from Ads.Arabic.php to Ads.arabic.php