i am trying to connect my wireless router as an access point from my laptop. the scenario is as follows: i have a wireless broadband connection at home, which i connect to using a username and a password. this username and password is unique, and can be used by one computer at a time!.. my sister and i can't have internet both at the same time! so im trying to connect my wireless router to my laptop with a physical cable so that i can provide internet via WiFi...

first off, is this possible?!.. if not, what are my options?

if it is possible, how do i set it up?

a link to the appropriate steps would do as well, but i need it :(...

thank you in advance,
/av