Droppables.isAffected = function(point, element, drop) {
  return (
    (drop.element!=element) &&
    ((!drop._containers) ||
      this.isContained(element, drop)) &&
    ((!drop.accept) ||
      (Element.classNames(element).detect(
        function(v) { return drop.accept.include(v) } ) )) &&
    Position.withinIncludingScrolloffsets(drop.element, point[0], point[1]) );
}

Droppables.show = function(point, element) {
  if(!this.drops.length) return;
  var drop, affected = [];

  this.drops.each( function(drop) {
    if(Droppables.isAffected(point, element, drop))
      affected.push(drop);
  });

  if(affected.length>0)
    drop = Droppables.findDeepestChild(affected);

  if(this.last_active && this.last_active != drop) this.deactivate(this.last_active);
  if (drop) {
    Position.withinIncludingScrolloffsets(drop.element, point[0], point[1]);
    if(drop.onHover)
      drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));

    if (drop != this.last_active) Droppables.activate(drop);
  }
}