I think you mean to say "your Router or Firewall" in the text. ismyportopen.com routes to another site; might want to make it go to the same place as www.ismyportopen.com. Also, it would be nice to have a visual indication when you click "Run It," since there's a pause until the scan comes up.

Dude, I can make your system do an arbitrary port scan against any ip with only

http://www.ismyportopen.com/cgi/results.py?ip=[target ip]

You're gonna wanna fix that.