// Extended Tooltip Javascript
// copyright 9th August 2002, by Stephen Chapman, Felgall Pty Ltd

// permission is granted to use this javascript provided that the below code is not altered
var DH = 0;var an = 0;var al = 0;var ai = 0;
if (document.getElementById) {ai = 1; DH = 1;}
	else {if (document.all) {al = 1; DH = 1;}
			else { browserVersion = parseInt(navigator.appVersion);
if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {an = 1; DH = 1;}}}

function fd(oi, wS) {
	if (ai) return wS ? document.getElementById(oi).style:document.getElementById(oi);
	if (al) return wS ? document.all[oi].style: document.all[oi];
	if (an) return document.layers[oi];
}
function pw() {
	return window.innerWidth != null? window.innerWidth: document.body.clientWidth != null? document.body.clientWidth:null;
}
function popUp(evt,oi) {
	if (DH) {var wp = pw(); ds = fd(oi,1); dm = fd(oi,0); 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  {
				if (evt.clientY || evt.pageY) {
					if (evt.pageY) {
						tv = evt.pageY + 10;
						lv = evt.pageX - (ew/4);
					} else {
						tv = evt.clientY + 10 + document.body.scrollTop;
						lv = evt.clientX  - (ew/4) + document.body.scrollLeft;
						}
					if (lv < 2) lv = 2; else if (lv + ew > wp) lv -= ew/2;
					if (!an) {lv += 'px';tv += 'px'};
					ds.left = lv; ds.top = tv;
				} ds.visibility = "visible";
			}
		}
}