Is this possible?

Yes. You just have to have target=frameName

No, a frame inside that one.

SlayersOtaku's suggestion should work. What's the problem?

My question is - why would you WANT to ?
Frames are just not a good idea, a frame w/in a frame just compounds the problem.

Target should work regardless, but like LadynRed said frames in frames are not a great solution. Well frames now a days aren't the best thing. Probably the best use for a frame is the hide the url for that page from the average user.

Well what do you suggest other than frames?

almost anything, but it depends on what you are doing.

PHP includes