I want to make a PC JohnCMS

hey,
I have a forum with domain phpMyWAP. Now i want to make the PC & mobile version different. I want to make a m. sub domain . If a visitor visit from a mobile he will automaticaly redirect to my mobile version.
How will i do it
Help me

you can not but made ​​the unit of domain and just ready to establish a web module and after that users with a mobile phone will Require wap version and that anyone with PC WILL Require Web version

where i will find it

avey, install this modul please

On johnCMS >=4 is has variable $is_mobile (true: with mobile | false: with PC)