take wireless connection ip from server not from router

I work in domain controller and his ip is 192.168.1.2 as DNS

I have linksys router is gateway his ip is 192.168.1.1

and another computer in domain have administration permission and his ip 192.168.1.10 and this computer(192.168.1.10)

installing in it windows server 2003

Now i need to install routing and remote access on ip 192.168.1.10 to give me internet connection wireless

Meaning i need when i open any wireless connection on computer or mobile take ip of 192.168.1.10 as default not ip of router 192.168.1.1

meaning take internet from computer as default

How i do that what is the setting or configurations

please help me