var eyes = null;

function mm(e)
{
  var eyes_cache = eyes;
  if (eyes_cache)
  {
    var x = (document.all ? event.clientX : e.clientX) - 88;
    var y = (document.all ? event.clientY : e.clientY) - 70 + document.documentElement.scrollTop;
    var r = (x*x/35+y*y/60<1)?1:Math.sqrt(35*60/(x*x*60+y*y*35));
    eyes_cache.style.left = (r*x)+'px';
    eyes_cache.style.top = (r*y-2)+'px';
  }
}

function sm()
{
  eyes = document.getElementById('eyes');
  document.onmousemove = mm;
}

window.onload = sm;
document.onload = sm;