window.onerror = null;
var tooltip_attr_name = "tooltip";

window.onload = function(e) {
if (document.createElement) tooltip.d();
}

tooltip = {
t: document.createElement("DIV"),
newline_entity: "   [br]   ", 
c: null,
g: false,

m: function(e) {
if (tooltip.g) {
oCanvas = document.
getElementsByTagName((document.compatMode && 
document.compatMode == "CSS1Compat") ? "HTML" : "BODY")[0];

x = window.event ? event.clientX + oCanvas.scrollLeft : e.pageX;
y = window.event ? event.clientY + oCanvas.scrollTop : e.pageY;

tooltip.a(x, y);
}
},

d: function() {
//    return;
tooltip.t.setAttribute("id", "tooltip");
//tooltip.t.style.filter = "alpha(opacity=85)"; // buggy in ie5.0
document.body.appendChild(tooltip.t);
a = document.all ? document.all : document.getElementsByTagName("*");
aLength = a.length;
for (var i = 0; i < aLength; i++) {
if (a[i].getAttribute("title")) {
a[i].setAttribute(tooltip_attr_name, a[i].getAttribute("title"));
if (a[i].getAttribute(tooltip_attr_name)){
a[i].removeAttribute("title");
if (a[i].getAttribute("alt") && a[i].complete) a[i].removeAttribute("alt");
tooltip.l(a[i], "mouseover", tooltip.s);
tooltip.l(a[i], "mouseout", tooltip.h);
}
}
else if (a[i].getAttribute("alt") && a[i].complete) {
a[i].setAttribute(tooltip_attr_name, a[i].getAttribute("alt"));
if (a[i].getAttribute(tooltip_attr_name)) {
a[i].removeAttribute("alt");
tooltip.l(a[i], "mouseover", tooltip.s);
tooltip.l(a[i], "mouseout", tooltip.h);
}
}
}
document.onmousemove = tooltip.m;
window.onscroll = tooltip.h;
},

s: function(e) {
d = window.event ? window.event.srcElement : e.currentTarget;
if (!d.getAttribute(tooltip_attr_name)) return;
if (tooltip.t.firstChild) tooltip.t.removeChild(tooltip.t.firstChild);
tooltip.t.appendChild(document.createTextNode(d.getAttribute(tooltip_attr_name)));
/*s = d.getAttribute(tooltip_attr_name);
re = /  /i;
tooltip.t.innerHTML = s.replace(re, "<br />");*/
tooltip.c = setTimeout("tooltip.t.style.visibility = 'visible';", 1);
tooltip.g = true;
},

h: function(e) {
tooltip.t.style.visibility = "hidden";
// thanks to Alexander Shurkayev for helping me optimise this line :-)
if (tooltip.t.firstChild) 
tooltip.t.removeChild(tooltip.t.firstChild);
clearTimeout(tooltip.c);
tooltip.g = false;
tooltip.a(-99, -99);
},

l: function(o, e, a) {
if (o.addEventListener) o.addEventListener(e, a, false); // was true--Opera7b workaround!
else if (o.attachEvent) o.attachEvent("on" + e, a);
else return null;
},

a: function(x, y) {
oCanvas = document.getElementsByTagName(
(document.compatMode && document.compatMode == "CSS1Compat") ? "HTML" : "BODY")[0];

w_width = window.innerWidth ? window.innerWidth + window.pageXOffset : oCanvas.clientWidth + oCanvas.scrollLeft;
w_height = window.innerHeight ? window.innerHeight + window.pageYOffset : oCanvas.clientHeight + oCanvas.scrollTop;

t_width = window.event ? tooltip.t.clientWidth : tooltip.t.offsetWidth;
t_height = window.event ? tooltip.t.clientHeight : tooltip.t.offsetHeight;

t_extra_width = 7; // CSS padding + borderWidth;
t_extra_height = 5; // CSS padding + borderHeight;

tooltip.t.style.left = x + 8 + "px";
tooltip.t.style.top = y + 8 + "px";

while (x + t_width + t_extra_width > w_width) {
x -= x + t_width + t_extra_width - w_width;
tooltip.t.style.left = x + "px";
t_width = window.event ? tooltip.t.clientWidth : tooltip.t.offsetWidth;
}

while (y + t_height + t_extra_height > w_height) {
y -= y + t_height + t_extra_height - w_height;
tooltip.t.style.top = y + "px";
t_height = window.event ? tooltip.t.clientHeight : tooltip.t.offsetHeight;
}
}
}