I'm not understanding this eather, so what you are saying is that you have internet access when the laptop is pluged into the router? Is your DSL modem connected to your router? all you need to do then is open up Control Panel, then Network and Internet Connections, then Network Connections. double click on wireless networ connection, then click the botton that says view avaliable wireless networks. your router name should appear on the list, and if it doesn't, click Refresh Network list. chose your router and click the connect botton. that should allow you to connect to your router wirelessly. if you have a security key, such as a WEP, you need to enter that.
hope this helps.