// Extended Tooltip Javascript
// copyright 9th August 2002, 3rd July 2005
// 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 mouseX(evt) {
	if (evt.pageX) return evt.pageX; 
	else if (evt.clientX)return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft);	
	else return null;}
function mouseY(evt) {
	if (evt.pageY) return evt.pageY; 
	else if (evt.clientY)return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); 
	else return 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 {tv = mouseY(evt) + 20; lv = mouseX(evt) - (ew/4);
	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";
		}}}