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

function enableTooltips(id){
var links,i,h;
if(!document.getElementById || !document.getElementsByTagName) return;
AddCss();
h=document.createElement("span");
h.id="btc";
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 tooltip,t,b,s,l;
t=el.getAttribute("title");
//if(t==null || t.length==0) t="link:";
if(t==null || t.length==0) t="";
el.removeAttribute("title");
tooltip=CreateEl("span","tooltip");
s=CreateEl("span","top");

if(t.length>200) t=t.substr(0,200)+"...";

if(t.length>1) {
   s.appendChild(document.createTextNode(t));
   tooltip.appendChild(s);
   b=CreateEl("b","bottom");
   l=el.getAttribute("href");
   if(l.length>28) l=l.substr(0,25)+"...";
   //b.appendChild(document.createTextNode(l));
   tooltip.appendChild(b);
   setOpacity(tooltip);
   el.tooltip=tooltip;
   el.onmouseover=showTooltip;
   el.onmouseout=hideTooltip;
   el.onmousemove=Locate;
}
}


function showTooltip(e){
document.getElementById("btc").appendChild(this.tooltip);
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:95)";
el.style.KHTMLOpacity="0.95";
el.style.MozOpacity="0.95";
el.style.opacity="0.95";
}

function CreateEl(t,c){
var x=document.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","http://www.openchile.cl/js/bubble/bt.css");
l.setAttribute("media","screen");
document.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(document.documentElement.scrollTop) {
       // posx=e.clientX+document.documentElement.scrollLeft;
       // posy=e.clientY+document.documentElement.scrollTop;
        posx=e.clientX;
        posy=e.clientY;
    } else{
       // posx=e.clientX+document.body.scrollLeft;
       // posy=e.clientY+document.body.scrollTop;
        posx=e.clientX;
        posy=e.clientY;
    }
}

   document.getElementById("btc").style.bottom=25+"px";
   document.getElementById("btc").style.left=(posx-20)+"px";

//   document.getElementById("btc").style.top=(posy)+"px";
//   document.getElementById("btc").style.left=(posx)+"px";

//   document.getElementById("btc").style.top=(posy+10)+"px";
//   document.getElementById("btc").style.left=(posx-20)+"px";

//   document.getElementById("btc").style.top=(posy-45)+"px";
//   document.getElementById("btc").style.left=(posx-20)+"px";
}


//function LocateXX(e){
//var posx=100,posy=100;
//document.getElementById("btc").style.top=(posy)+"px";
//document.getElementById("btc").style.left=(posx)+"px";
//}