Windows XP and Windows 98SE

I just purchased a new computer with Windows XP and would
like to change my network to link my old computer running
Windows 98 SE. Currently, WIN 98 SE is the base computer
utiizing a cable modem (Roadrunner) and a Microsoft MN-100
wired router. When setting up the router, the Microsoft
Broadband Network Utility software was installed on the
Win 98 SE machine as the host and another computer was
connected to the router - everything is working fine.
My questions a 1. Can Windows XP and Windows 98 SE
coexist on a network? 2. Should I uninstall the Network
Utility program from the Win 98 SE computer? 3. Then run
the software on the XP computer? 4. Do I even need to do
anything with the router or just simply connect the
existing cables to each computer? 5. Anything else I
should be concerned with?

Thanks.