"Route print" problem / 2 Network adapters in a computer

Hello,

I have two network adapters/cards in my desktop computer (Win2000):

1.) One "normal" cable based PCI-LAN network card (IP: 192.168.1.40).
I connect to my Internet provider through this network card and get a
dynamic IP which overwrites the IP mentioned above.

2.) One Wireless WLAN card (IP: 192.168.1.41)
This WLAN card connects to an inhouse Wireless router. This connection is (should be) used
for intranet inhouse LAN traffic to all other computers with a network IP
192.168.1.* The router has the IP 192.168.1.1

The problem is that I cannot connect to other intranet computers when the LAN
adapter is enabled. When I disable the LAN adapter
Start->Settings->Network connections->LAN->Properties->Disable
everything works fine. I assume that if I want to connect to another remote
intranet computer my local computer tries to do the connect through the first available
network adapter he found. This is the LAN adapter which goes to the outside world
but not to the LAN.

This problem occurs on other computers (WinXP based) with similar 2 network cards as well.

How do I tell my local computer (with the "route print" command) to route all traffic/requests
with a destination 192.168.1.* over the Wireless WLAN card and all remaining other stuff (Internet)
through the LAN card ?

Thx
Ken