var xOpacity=0.1;
var parent= "col-center";

//Hilfsfunktion zum einblenden
function fadeThis(){
   celement=document.getElementById('spezialtooltip');
   xOpacity+=.05; 
   celement.style.opacity = xOpacity;
   celement.style.MozOpacity = xOpacity;
   celement.style.filter = "alpha(opacity=" + (xOpacity*100) + ")";
   if(xOpacity < .99)
   setTimeout(fadeThis,50);
   }
      
//Entfernen eines bereits vorhandenen Elementes
function closeThisValue(){
   objBody = document.getElementById(parent);
   tooltip = document.getElementById('spezialtooltip');
   objBody.removeChild(tooltip);
   xOpacity=0.1;
   }

//Erstellen eins dynamischen Elementes
function tooltip(){

   if(document.getElementById('spezialtooltip')){
      closeThisValue()
   }

   closeImg = document.createElement('img');
   closeImg.setAttribute('alt','Close');
   closeImg.setAttribute('src','fileadmin/images/layout/close.gif');

   closelink = document.createElement('a');
   closelink.setAttribute('title','Close');
   closelink.setAttribute('id','closelink');
   closelink.href="";
   closelink.onclick = function () {closeThisValue(); return false;}               
   closelink.appendChild(closeImg);

   frame = document.createElement('iframe');
   frame.setAttribute('id', 'tooltipframe');
   url = this.href.split("/");;
   url=url[3]+'?popup=1';
   frame.src=url;
   
   tooltip = document.createElement('div');
   tooltip.setAttribute('id', 'spezialtooltip');
   tooltip.appendChild(closelink);
   tooltip.appendChild(frame);
   
   objBody = document.getElementById(parent);
   
   objBody.appendChild(tooltip);
   fadeThis();
   return false;
}


//Zuweisen der neuen Funktionen      
function addEventHandler(){
   allLinks = document.getElementsByTagName("a");
   for(i = 0; i < allLinks.length; i++ ){
      if (allLinks[i].className=="tooltip"){
         allLinks[i].onclick=tooltip;
      }
   }      
}


//aufruf der Funktionen fuer alle Browser
var ie = document.all ? true : false ;
if(!ie){
   window.addEventListener("load", addEventHandler, false); 
}else{
   window.onload = addEventHandler;
}