Sun java in testing

["Antonio Rodriguez" <arodriguez31@cfl.rr.com>]

I am trying to install drawboard (http://drawboard.souceforge.net) in my
home network as trial before making it accessible to the outer world. But
when I run
"java -cp ....." as indicated the response from the system is "unknown
option"
I have installed sun java jdk.1 version from testing, so I suspect that the
sun version requires another option equivalent to "-cp"
Any ideas?
A second question is related to making my home network accessible from the
outer world. I have both machines (win98 and testing) behind a linksys
etherfast cable/dsl  BEFSR41 model router, and would like to know how to
implement that. Any ideas, pointers to docs, etc will be greatly
appreciated.
Thanks in advance.