half refactored

type in a number and it converts it to what it should be (#, fizz,
buzz, or fizz buzz)
update

on next:

pseudo for lowerRope function:
function lowerRope(length) {
	gather all spans under #ship and above #anchor into an array slack[]
	initially items in the array will be hidden (using css?)
	on calling this function lowerRope with a paramemeter of 'length',
	items from slack[0] through slack[length] will show();
}
Merge branch 'gh-pages'