// Extended Tooltip Javascript
// copyright 9th August 2002, 3rd July 2005, 24th August 2008
// by Stephen Chapman, Felgall Pty Ltd
// permission is granted to use this javascript provided that the below code is not altered
function pw() { return window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth }; function mouseX(evt) { return evt.clientX ? evt.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) : evt.pageX; } function mouseY(evt) { return evt.clientY ? evt.clientY + (document.documentElement.scrollTop || document.body.scrollTop) : evt.pageY }
function popUp(evt, oi) {
    if (document.getElementById) {
        var wp = pw();
//debugger
        dm = document.getElementById(oi);
        if (typeof (dm.childNodes[0]) == "undefined") return;
        ds = dm.style; st = ds.visibility; if (dm.offsetWidth) ew = dm.offsetWidth; else if (dm.clip.width) ew = dm.clip.width; if (st == "visible" || st == "show") { ds.visibility = "hidden"; } else {tv = mouseY(evt) + 20; lv = mouseX(evt) - (ew/4); if (lv < 2) lv = 2; else if (lv + ew > wp) lv -= ew/2; lv += 'px';tv += 'px';  ds.left = lv; ds.top = tv; ds.visibility = "visible";}}}