code: function (t, b, c, d) {
      	return c - YAHOO.util.Easing.bounceOut(d-t, 0, c, d) + b;
      }
docs: Bounce off of start.
  @method bounceIn
  @param {Number} t Time value used to compute current value
  @param {Number} b Starting value
  @param {Number} c Delta between start and end values
  @param {Number} d Total length of animation
  @return {Number} The computed value for the current animation frame