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/*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("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 ) {
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 > 28 ) {
l = l.substr(0,25) + "...";
}
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","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";
}
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