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__Variables and Functions__
 a: general-purpose alphabetic variable
 b: array containing possible background colors
b1: background color 1 (in script)
b2: background color 2 (in script)
bc: board code
 c: array containing the eight letters used to name the squares
c1: background color 1 (form element)
c2: background color 2 (form element)
 d: display board with specified code
 f: function to flip board
 g: get layout (function that returns current argument string)
 i: image size (form element)
 j: general-purpose variable [piece to place in pl(), type of array to use in o(), watch var in piece count script]
 k: kolor
 l: layout of board (string containing piece locations and configuration)
 m: make a change, or a move -- function to reload the page with the specified argument
 n: general-purpose numeric variable/array. Indicates orientation of flip in f().
 o: options (function to write drop-down menu)
 p: piece (function to determine what piece image to display)
pc: placement color
pi: shortcut function for parseInt()
pl: place (function to place the specified piece in the specified square)
pp: placement piece
px: placement x-coordinate
py: placement y-coordinate
 r: return value [for function p()]
rx: x-coordinate for removing a piece
ry: y-coordinate for removing a piece
 s: size of board
s1: first position to swap [for f()]
s2: second position to swap [for f()]
 t: text (function to write paragraph tag)
 u: update (function to place the specified character at the specified string index)
 w: shortcut function for "document.write"
wt: function to write table
 x: variable for x-axis
x1: form element for x-coordinate of piece being moved
x2: form element for x-coordinate of piece's destination
 y: variable for y-axis
y1: form element for y-coordinate of piece being moved
y2: form element for y-coordinate of piece's destination

__Argument String__
chars 0 to 63: the pieces that occupy each square
char 64: first background color
char 65: second background color
char 66: size of board