You wouldn't want a new opera to open while you were still listening to the previous on, for instance. You may want to maximize these new windows after they open for easier reading, but I think the concept of separate windows makes navigating this rather complex amalgam of web sites a lot easier. It incorporates some of the good aspects of frames without all the petty annoyances. The design of this site is far from perfect, and there will always be a need to refine and improve things. If there are things that you would like to see changed or fixed please write to me and tell me about them.
Nothing here is engraved in concrete.
Your input is important. Without satisfied visitors this whole endeavor would be meaningless.