“Yellow Fade Technique” (Bulletproof Ajax)

yft.js

/* Demo: http://jsfiddle.net/HdMMj/ */

function fadeUp(element, red, green, blue) {
  if (element.fade) clearTimeout(element.fade);
  element.style.backgroundColor = "rgb(" + red + ", " + green + ", " + blue + ")";
  if (red == 255 && green == 255 && blue == 255) return;
  var newred = red + Math.ceil((255 - red)/10);
  var newgreen = green + Math.ceil((255 - green)/10);
  var newblue = blue + Math.ceil((255 - blue)/10);
  element.fade = setTimeout(function() {
    fadeUp(element, newred, newgreen, newblue);
  }, 50);
}