/* Bubble Tooltips by Alessandro Fulciniti, optimised by Robi  */

function enableTooltips(id){
var links,i,h;
if(!document.getElementById || !document.getElementsByTagName) return;
h=document.createElement("span");
h.id="btc";
setOpacity(h);
h.setAttribute("id","btc");
h.style.position="absolute";
document.getElementsByTagName("body")[0].appendChild(h);
if(id==null) links=document.getElementsByTagName("a");
else links=document.getElementById(id).getElementsByTagName("a");
for(i=0;i<links.length;i++){
    Prepare(links[i]);
    }
}

function Prepare(el){
var content;
content=el.getAttribute("title");
if(content!=null && content.length!=0){
el.removeAttribute("title");
el.content=content;
el.onmouseover=showTooltip;
el.onmouseout=hideTooltip;
el.onmousemove=Locate;
}
}

function showTooltip(e){
document.getElementById("btc").innerHTML=this.content;
Locate(e);
}

function hideTooltip(e){
var d=document.getElementById("btc");
if(d.childNodes.length>0) d.removeChild(d.firstChild);
}

function setOpacity(el){
el.style.filter="alpha(opacity:92)";
el.style.KHTMLOpacity="0.92";
el.style.MozOpacity="0.92";
el.style.opacity="0.92";
}

function Locate(e){
var posx=0,posy=0;
if(e==null) e=window.event;
if(e.pageX || e.pageY){
    posx=e.pageX; posy=e.pageY;
    }
else if(e.clientX || e.clientY){
    if(document.documentElement.scrollTop){
        posx=e.clientX+document.documentElement.scrollLeft;
        posy=e.clientY+document.documentElement.scrollTop;
        }
    else{
        posx=e.clientX+document.body.scrollLeft;
        posy=e.clientY+document.body.scrollTop;
        }
    }
document.getElementById("btc").style.top=(posy+10)+"px";
document.getElementById("btc").style.left=(posx-20)+"px";
}