function mousePageXY(e) {
  var x = 0, y = 0;
  if (!e) e = window.event;
  if (e.pageX || e.pageY) {
    x = e.pageX;
    y = e.pageY;
  } else if (e.clientX || e.clientY) {
    x = e.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) - document.documentElement.clientLeft;
    y = e.clientY + (document.documentElement.scrollTop || document.body.scrollTop) - document.documentElement.clientTop;
  }
  return {"x":x, "y":y};
}

document.onmousemove = function bee(e) {
  var cur = mousePageXY(e); 
  document.getElementById('bee').style.top = cur.y + 'px';
  document.getElementById('bee').style.left = cur.x + 'px';
}

function showFlame(elem) {
  if (elem.parentNode.className == 'sel') return;
  elem.parentNode.getElementsByTagName('span')[0].style.display = 'block';
}

function hideFlame(elem) {
  if (elem.parentNode.className == 'sel') return;
  elem.parentNode.getElementsByTagName('span')[0].style.display = 'none';
}