Oee more ?: Detecting which IP is active.

[RyanCross]

Okay my last two questions helped me retreive my computers
list of IPs (which is 4). Now I need to know how to detect which
one has the active connection to the internet, because only
one does. Any suggestions or examples? Please help!

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Thank you,
Ryan M. Cross
Webmaster FlexiFish Inc. UK
Likuid Creations Inc.