add note for prop2
fix up wording and some links for prop 2
make prop3 text and fix the javascript to make the diagram work
added border the page. it's super pretty now.
add container div around every to facilitate JS trickery
move width markup and borders from body to the container div
change raphael width to 560 because that is the new effective width (after padding)
replace hover tooltips with notes on the side that activate upon clicking