function init(){
 for (var i = 0; i < document.getElementById('navi').getElementsByTagName('a').length; ++i) {
    document.getElementById('navi').getElementsByTagName('a')[i].onmouseover=guckweg;
    document.getElementById('navi').getElementsByTagName('a')[i].onmouseup=guckweg;
    document.getElementById('navi').getElementsByTagName('a')[i].onmouseout=guck;
 }
 for (var i = 0; i < document.getElementById('kalender').getElementsByClassName('b').length; ++i) {
    document.getElementById('kalender').getElementsByClassName('b')[i].onmouseover=showInfo;
    document.getElementById('kalender').getElementsByClassName('b')[i].onmouseout=hideInfo;

 }
  for (var i = 0; i < document.getElementById('kalender').getElementsByClassName('r').length; ++i) {
    document.getElementById('kalender').getElementsByClassName('r')[i].onmouseover=showInfo;
    document.getElementById('kalender').getElementsByClassName('r')[i].onmouseout=hideInfo;

 }
}
function guck(){
document.getElementById('augen').style.display="none";
}
function guckweg(){
document.getElementById('augen').style.display="block";
}
function showInfo(Ereignis){
    if(this.getElementsByTagName('div')[0]){
        document.getElementById('tooltip').innerHTML=this.getElementsByTagName('div')[0].innerHTML;
      if (!Ereignis)
        Ereignis = window.event;
      if (document.getElementById) {
        var X=Ereignis.pageX+10;
        var Y=Ereignis.pageY+10;
        document.getElementById("tooltip").style.left  = X + "px";
        document.getElementById("tooltip").style.top = Y + "px";
      }
      document.getElementById('tooltip').style.display='block';
    }
}
function hideInfo(){
    document.getElementById('tooltip').style.display='none';
}


window.onload=init;