// JavaScript Document
/*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, ss, bb,l,id,pos, titulo, subtitulo;
	id=el.getAttribute("id");
	if (id == "bubble_si"){
		t = new String(el.getAttribute("title"));
		pos = t.indexOf("[SALTO]");
		if (pos > 0){
			titulo = t.substring(0,(pos));
			subtitulo = t.substring((pos + 7), (t.length));
		}
		else{
			titulo = t;
			subtitulo = "";
		}
		if(t==null || t.length==0) t="link:";
		el.removeAttribute("title");
		tooltip=CreateEl("span","tooltip");
		s=CreateEl("span","top");
		s.appendChild(document.createTextNode(titulo));
		tooltip.appendChild(s);
		
		
		b=CreateEl("strong","bottom");
		b.appendChild(document.createTextNode(subtitulo));
		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:98)";
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","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+6)+"px";
document.getElementById("btc").style.left=(posx-170)+"px";
}