document.getElementById("myMenu").onmouseout = closeMenu;







function openMenu(event, id) {







  var el, x, y;







  el = document.getElementById(id);



  if (window.event) {



    x = window.event.clientX + document.documentElement.scrollLeft



                             + document.body.scrollLeft;



    y = window.event.clientY + document.documentElement.scrollTop +



                             + document.body.scrollTop;



  }



  else {



    x = event.clientX + window.scrollX;



    y = event.clientY + window.scrollY;



  }



  x -= 2; y -= 2;



  el.style.left = x + "px";



  el.style.top  = y + "px";



  el.style.visibility = "visible";



}







function closeMenu(event) {







  var current, related;







  if (window.event) {



    current = this;



    related = window.event.toElement;



  }



  else {



    current = event.currentTarget;



    related = event.relatedTarget;



  }







  if (current != related && !contains(current, related))



    current.style.visibility = "hidden";



}







function contains(a, b) {







  // Return true if node a contains node b.







  while (b.parentNode)



    if ((b = b.parentNode) == a)



      return true;



  return false;



}