/*Javascript for Bubble Tooltips by Alessandro Fulciniti
http://pro.html.it - http://web-graphics.com */

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

function Prepare(el){
  var tooltip,t,b,s,m,l,a;
t=el.getAttribute("title");
if(t==null || t.length==0) return;
el.removeAttribute("title");
tooltip=CreateEl("span","tooltip");
s=CreateEl("span","top");
tooltip.appendChild(s);
a=t.split("\n");
for(i=0; i < a.length; i++) {
 m=CreateEl("span","mid");
 m.appendChild(d.createTextNode(a[i]));
 m.innerHTML=a[i];
 tooltip.appendChild(m);
}
b=CreateEl("span","bottom");
b.appendChild(d.createTextNode(' '));
tooltip.appendChild(b);
setOpacity(tooltip);
el.tooltip=tooltip;
el.onmouseover=showTooltip;
el.onmouseout=hideTooltip;
el.onmousemove=Locate;
}

function showTooltip(e){
d.getElementById("btc").appendChild(this.tooltip);
Locate(e);
}

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

function setOpacity(el){
el.style.filter="alpha(opacity:94)";
el.style.KHTMLOpacity="0.94";
el.style.MozOpacity="0.94";
el.style.opacity="0.94";
}

function CreateEl(t,c){
var x=d.createElement(t);
x.className=c;
x.style.display="block";
return(x);
}

function AddCss(){
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","style.css");
l.setAttribute("media","screen");
d.getElementsByTagName("head")[0].appendChild(l);
}

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(d.documentElement.scrollTop){
 posx=e.clientX+d.documentElement.scrollLeft;
 posy=e.clientY+d.documentElement.scrollTop;
}
else{
 posx=e.clientX+d.body.scrollLeft;
 posy=e.clientY+d.body.scrollTop;
}
}
d.getElementById("btc").style.top=(posy-6-d.getElementById("btc").clientHeight)+"px";
d.getElementById("btc").style.left=(posx-106)+"px";
}