wifi sharing - happy cny

scenario: Sony uses usb modem to surf net, wanna share it with Presario using wifi

sony netbook:
-wireless network properties-Wireless Networks tab-Add:
  your own SSID(eg:mywifi), Open, WEP, 5/13 digit passwd, Check ad hoc
  ip: 192.168.0.1
-Refresh wireless network list, connect your own SSID(eg:mywifi)
-install CCProxy - Options - Auto Detect choose the Digi ip; Account <-- Presario ip as allowed client

Presario:
-wifi property ip: 192.168.0.2
-refresh & connect to own SSID(eg:mywifi)
-firefox's Proxy set to 192.168.0.1 & port 880 (as in CCProxy)