i have done so many things .like window.close
but it requires javascript to be activated.
but i want firefox tab to be close if there is one or more tab open .
 and if one window is open then close the firefox.
i saw many solution like go to firefox registry by "about:config" and set the property there.
but i dont want to do like that.
simply through javascript.
can anybody help me.
this is my first mail to this group.

with regards
Jitender

This isn't really the correct forum for that question; this forum is meant to be for questions specifically about the book.

I'm not an expert in client script and FireFox, so you might be best finding a scripting forum.

Dave