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 + 20; lv = evt.pageX - (ew/4);
					} else {
						tv = evt.y + 20 + document.body.scrollTop; lv = evt.x  - (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";
		}
	}
}