|<- [[vpfjsphp:Dragging and dropping]]|[[vpfjsphp:Adding touch events]] ->|

<code>
(...)
  function resetZ() {
    var elements = document.querySelectorAll('img');
    for (var i = elements.length - 1; i >= 0; i--) {
      elements[i].style.zIndex = 5;
    }
  }
(...)
</code>