function enableTooltips(){
var links,i,h;
if(!document.getElementById || !document.getElementsByTagName) return;
h=document.createElement("span");
h.id="btc";
h.setAttribute("id","btc");
h.style.position="absolute";
document.getElementsByTagName("body")[0].appendChild(h);
links=document.getElementsByTagName("area");
for(i=0;i<links.length;i++) Prepare(links[i]);
}
function Prepare(el){
var tooltip,t,st,b,s,l,sst,idZona;
var arr = String(el.getAttribute("title")).split("|");
idZona = arr[0];
t = arr[1];
st = arr[2];
el.removeAttribute("title");
tooltip=CreateEl("span","tooltip");
s=CreateEl("span","top");
s.appendChild(document.createTextNode(t));
sst=CreateEl("p","");
sst.appendChild(document.createTextNode(st));
s.appendChild(sst);
tooltip.appendChild(s);
b=CreateEl("b","bottom");
for(var i=0; i<arrZonas.length; i++) if(idZona==arrZonas[i][0]){ l=arrZonas[i][1]; break; }
if(!l) l="0";
l += " " + strprop;
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){
	var d=document.getElementById("btc");
	if(d){
		d.appendChild(this.tooltip);
		Locate(e);
	}
}
function hideTooltip(e){
	var d=document.getElementById("btc");
	if(d && d.childNodes.length>0) d.removeChild(d.firstChild);
}
function setOpacity(el){el.style.filter="alpha(opacity:90)";el.style.KHTMLOpacity="0.90";el.style.MozOpacity="0.90";el.style.opacity="0.90";}
function CreateEl(t,c){var x=document.createElement(t);if(c) 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;
        }
    }
	var d = document.getElementById("btc");
	if(d){
		d.style.top=(posy-14)+"px";
		d.style.left=(posx+10)+"px";
	}
}