docs: function (el, xy, animateFrom, animateOptions) {
  			if (animateFrom) {
  				this.animate(el, {
  					left: "+=" + (xy[0] - animateFrom[0]),
  					top: "+=" + (xy[1] - animateFrom[1])
  				}, animateOptions);
  			}
  			else {
  				el.style.left = xy[0] + "px";
  				el.style.top = xy[1] + "px";
  			}
  		}