/*javascript for Bubble Tooltips by Alessandro Fulciniti
- http://pro.html.it - http://web-graphics.com */
var autoEl;
var autoId;
var autoOffset;


function enableTooltips(id, offset){
autoId = id;
if (offset == null) autoOffset = 150;
else autoOffset = offset;
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++){
    if (links[i].id != "deco") Prepare(links[i]);
    }

}

function Prepare(el,id){
var tooltip,t,b,s,l;
t=el.getAttribute("title");
if(t==null || t.length==0) t="link:";
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;
autoShowTooltip(el);
autoEl = el;
}


function autoshow() {
autoShowTooltip(autoEl);
//alert("resize");
}

function autoShowTooltip(el) {
	// go close timer
	showTooltipEl(el);
	closetimer = window.setTimeout(hideTooltip, 5000);
}

function showTooltipEl(el){

document.getElementById("btc").appendChild(el.tooltip);

id = autoId;
//posx = parseInt(document.getElementById(id).style.left.substr(0,document.getElementById(id).style.left.length-2));
//posy = parseInt(document.getElementById(id).style.top.substr(0,document.getElementById(id).style.top.length-2));
coords = findPos(document.getElementById(id));
posy = coords[1] + 10;
posx = coords[0] + autoOffset;

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


}

function findPos(obj) {
var curleft = curtop = 0;
if (obj.offsetParent) {

do {
curleft += obj.offsetLeft;
curtop += obj.offsetTop;

} while (obj = obj.offsetParent);
}

return [curleft,curtop];
} 


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","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";
}