// 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 tt_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 tt_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,onOff) {
	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 (onOff == 0) { 
			ds.visibility = "hidden"; } 
		else {
//			tv = tt_mouseY(evt) + 20; lv = tt_mouseX(evt) - (ew/4); 
//			tv = tt_mouseY(evt) - 100; lv = (tt_mouseX(evt) - (ew/4)) + 40; 
			tv = tt_mouseY(evt) - 110; lv = (tt_mouseX(evt) - (ew/4)) + 20; 
			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";
		}
	}
}