// 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, image) {
	if (document.getElementById) {
		var wp = pw();
		dm = document.getElementById(oi);
		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) +10;
			//tv = document.getElementById(image).style.top;
			lv = mouseX(evt) - (ew/4) - 0;
			//lv = document.getElementById(image).style.left + 150;
			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";
		}
	}
}