// JavaScript Document
var last = null;

function colour(it, c) {
	if (last) last.style.backgroundColor = '#FFFFFF';
	it.style.backgroundColor = '#CECECE';
	document.body.style.backgroundImage = 'none'; 
	document.body.style.backgroundColor = c;
	last = it;
}

function image(it, i) {
	if (last) last.style.backgroundColor = '#FFFFFF';
	it.style.backgroundColor = '#CECECE';
	document.body.style.background = i; 
	last = it;
}