function showToolTip(id, id2, id3, xaxis, yaxis) {
  bild = document.getElementById(id2);
  text = document.getElementById(id3);
  bezug = document.getElementById(id);
  var links = bezug.offsetLeft;
  var oben = bezug.offsetTop;
  var laenge = bezug.offsetWidth;
  var laenge2 = 174;
  var hoehe = (213-bezug.offsetHeight);
  switch (xaxis) {
  case "1":
    bild.style.left = (links-laenge2-20)+"px";
    text.style.left = (links-laenge2-20)+"px";
    break;
  case "2":
    bild.style.left = (links+laenge+20)+"px";
    text.style.left = (links+laenge+20)+"px";
    break;
  }
  switch (yaxis) {
  case "1":
  	bild.style.top = oben+"px";
    text.style.top = oben+"px";
    break;
  case "2":
  	bild.style.top = (oben-hoehe)+"px";
    text.style.top = (oben-hoehe)+"px";
    break;
  }
  bild.style.display = "block";
  text.style.display = "block";
}

function hideToolTip() {
  bild.style.display = "none";
  text.style.display = "none";
}