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; 
							ds.left = lv; 
							ds.top = tv;
				} 
			ds.visibility = "visible";
		}
	}
}