/*javascript for Bubble Tooltips by Alessandro Fulciniti
- http://pro.html.it - http://web-graphics.com */
var open = new Array();
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;
tooltip=CreateEl("span","tooltip");
s=CreateEl("span","top");
rel = el.getAttribute("rel");
if(rel!=null && rel.length!=0){
 ul=parseRel(rel);
 s.appendChild(ul);
}
tooltip.appendChild(s);
c=CreateEl("a","close");
c.setAttribute("href","#");
c.setAttribute("title","Zavřít");
//c.appendChild(document.createTextNode("x"));
c.onclick=hideTooltip;
s.appendChild(c);
b=CreateEl("b","bottom");
tooltip.appendChild(b);
setOpacity(tooltip);
el.tooltip=tooltip;
el.onclick=showTooltip;
}

function showTooltip(e){
for(i=0;i<open.length;i++){
   document.getElementById("btc").removeChild(open[i]);
   open.shift();
}
document.getElementById("btc").appendChild(this.tooltip);
open.push(this.tooltip);
Locate(e);
return false;
}

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

function setOpacity(el){
el.style.filter="alpha(opacity:9)";
el.style.KHTMLOpacity="0.9";
el.style.MozOpacity="0.9";
el.style.opacity="0.9";
}

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

function parseRel(reltext){
    txt = reltext.match(/(?:[^\[])*(?=\])/mi);
    akce = txt.toString().split("##");
    ul = document.createElement("ul");
    for(i=0;i<akce.length;i++){
       casti = akce[i].split("**");
       li = document.createElement("li");
       a = document.createElement("a");
       a.setAttribute("href",casti[1]);
       a.setAttribute("class","bublinka-odkaz");
       a.appendChild(document.createTextNode(casti[0]));
       li.appendChild(a);
       ul.appendChild(li);
    }
    return ul;
}

/*function AddCss(){
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","../css/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;
  }else{
     posx=e.clientX+document.body.scrollLeft;
     posy=e.clientY+document.body.scrollTop;
  }
}
//alert(posx+" --- "+window.innerWidth);
misto = window.innerWidth-posx+20;
//alert("mmmmmmm "+misto);
if(misto<200){
    posx = posx-(200-misto+10);
}
document.getElementById("btc").style.top=(posy+10)+"px";
//document.getElementById("btc").style.left=(posx-20)+"px";
document.getElementById("btc").style.left=(posx)+"px";
}
//enableTooltips("cal-telo"); je volano body.onload v headeru