#2721 error

[Jasem alshatti]

hi
i have strange message came when i visit my calander
http://dentistry4ads.com/daily/month.php

the error is

Parse error: syntax error, unexpected '.' in /home3/ads/public_html/daily/includes/menu/index.php on line 500

i dont know what to do

i have another calendar is working fine

http://dentistry4ads.com/weekends/month.php

please it's ergent
contact me on elmagbara@hotmail.com
thanks