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 (ws == 1) {
		if (ai) {
			return (document.getElementById(oi).style);
		} else {
			if (al) return (document.all[oi].style); else if (an) return (document.layers[oi]);
		}
	} else {
		if (ai) {
			return (document.getElementById(oi));
		} else {
			if (al) return (document.all[oi]); else if (an) return (document.layers[oi]);
		}
	}
}

function pw() {
	if (window.innerWidth != null) return window.innerWidth;
	if (document.body.clientWidth != null) return document.body.clientWidth;
	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 {
			if (evt.y || evt.pageY) {
				if (evt.pageY) {
					tv = evt.pageY + 15; lv = evt.pageX;
				} else {
					tv = evt.y + 15 + document.body.scrollTop; lv = evt.x;
				}
				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";
		}
	}
}