Script for deleting old log files in system

Hi,

     This is Deepesh I am trying find some script to delete log files in \var\log\applog\nmon . We usually get this alerts that the file system is almost full and all we do is go to the path and delete old log files. So basically what i am looking for is the script that i can schedule in corn job . This script should keep logs for two months and delete the rest .