$(document).ready(function(){
$(document).scroll(function() {
var alpha = Math.min(0.5 + 0.4 * $(this).scrollTop() / 3000, 0.9);
var channel = Math.round(alpha * 255);
$("body").css('background-color', 'rgb(' + channel + ',' + channel + ',' + channel + ')');
});
});
Jon Mayne - Research: Marclay Pics
