/*script per i bubble tooltips - http://pro.html.it */
function format_number(pnumber,decimals){ 
    if (isNaN(pnumber)) { return 0}; 
    if (pnumber=='') { return 0}; 
    var snum = new String(pnumber); 
    var sec = snum.split('.'); 
    var whole = parseFloat(sec[0]); 
    var result = ''; 
    if(sec.length > 1){ 
        var dec = new String(sec[1]); 
        dec = String(parseFloat(sec[1])/Math.pow(10,(dec.length - decimals))); 
        dec = String(whole + Math.round(parseFloat(dec))/Math.pow(10,decimals)); 
        var dot = dec.indexOf('.'); 
        if(dot == -1){ 
            dec += '.'; 
            dot = dec.indexOf('.'); 
        } 
        while(dec.length <= dot + decimals) { dec += '0'; } 
        result = dec; 
    } else{ 
        var dot; 
        var dec = new String(whole); 
        dec += '.'; 
        dot = dec.indexOf('.');        
        while(dec.length <= dot + decimals) { dec += '0'; } 
        result = dec; 
    }    
    return result; 
}
function addCommas(nStr) 
{ 
  nStr += ''; 
  x = nStr.split('.'); 
  x1 = x[0]; 
  x2 = x.length > 1 ? '.' + x[1] : ''; 
  var rgx = /(\d+)(\d{3})/; 
  while (rgx.test(x1)) { 
    x1 = x1.replace(rgx, '$1' + ',' + '$2'); 
  } 
  return x1 + x2; 
}
function aggiorna(){
	document.getElementById('tot').innerHTML = addCommas(format_number((document.getElementById('va').innerHTML)*(document.getElementById('nazioni').value),2));
}
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("span");
else links=document.getElementById(id).getElementsByTagName("span");
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){
	el.setAttribute("class","tooltip2");
	el.removeAttribute("title");
	tooltip=CreateEl("span","tooltip");
	s=CreateEl("span","top");
	s.appendChild(document.createTextNode(t));
	tooltip.appendChild(s);
	b=CreateEl("b","bottom");
	//l=el.getAttribute("href");
	//if(l.length>30) l=l.substr(0,27)+"...";
	//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","media/system/js/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;
        }
    }
document.getElementById("btc").style.top=(posy+10)+"px";
document.getElementById("btc").style.left=(posx-20)+"px";
}