SiN: do it once or twice in the shower to see which way you naturally 'flow' and to get the hang of standing(it's not that easy breaking a lifelong 'habit').
Squatting's not the same thing-a lot of women do that in public restrooms and leave their godawful mess for the rest of us to deal with.
Y'all could also try this:
http://www.shenis.com/about.html