[Javascript] Show and hide multiple div tags

[Triche Osborne]

Cutter (JS Related) wrote:
> Great explanation. Took me a long time to figure that out the first time 
> I saw it (many moons ago). Thanks for putting that out there so clearly, 
> very well done.
> 
Thanks! Ternary is certainly an odd duck set beside the other variations
of if(), but once you understand it, it's a great little shortcut.

Triche