immediate help to access website(php) from remote computer

Hey i am using wamp server for development(php). mow i need to access a website stored in my pc from another computer which is connected by LAN.

how could i do it. i read several forum but it did not work for me.

information:wamp is configured at port:80

i tried
http://localhost/sitename
http://stored computer name/sitename

please help me out--------

thanks in adanceeeeeeeee

Try this.

http://YourIPaddress/(foldername or sitename)

hey, it is not working. in my computer where website is stored if i type my ip address like
http://192.168.70.10/blog the response is
Forbidden
You don't have permission to access /www.blog. on this server.
for another computer which is connected by LAN like

the response time is long.
what else i would try?????????