var posx=0;
var posy=0;

function getpos(ereignis)
{
 posx = document.all ? window.event.clientX : ereignis.pageX;
 posy = document.all ? window.event.clientY : ereignis.pageY;
}

function pop(id)
{
 if (posx>30)
 {
  var left=40 + "px";
 }
 else
 {
  var left=(posx+10) + "px";
 }
 if (posy>130)
 {
  var top=(posy-110) + "px";
 }
 else
 {
  var top=(posy+20) + "px";
 }
 if (document.layer)
 {
  document.getElementById(id).left    = left;
  document.getElementById(id).top     = top;
  document.getElementById(id).visibility = "show";
 }
 else
 {
  document.getElementById(id).style.left    = left;
  document.getElementById(id).style.top     = top;
  document.getElementById(id).style.display = "block";
 }
}

function hide(id)
{
 document.getElementById(id).style.display = "none";
}

document.onmousemove=getpos;