var PrevLayer,subOpen;


function showlayer(z)
{
	lname = "layer" + z;
	document.all(lname).style.visibility = "visible";
	PrevLayer = lname;
}

function hidelayer(z)
{
		lname = "layer" + z;
		document.all(lname).style.visibility = "hidden";
}

function showsublayer(y)
{
	SubLName = "sublayer" + y;
	document.all("layer3").style.visibility="visible";
	document.all(SubLName).style.visibility = "visible";
	subOpen = true;
	PrevSubLayer = SubLName;
}

function hidesublayer(y)
{
	SubLName = "sublayer" + y;
	document.all(SubLName).style.visibility = "hidden";
	subOpen = false;
}

function hideall()
{
	document.all("subLayer5").style.visibility="hidden";
	document.all("subLayer3").style.visibility="hidden";
	document.all("subLayer4").style.visibility="hidden";
	document.all("layer1").style.visibility="hidden";
	document.all("layer2").style.visibility="hidden";
	document.all("layer3").style.visibility="hidden";
}

/*Sub StartLayer(z)
if PrevLayer <> "" then
Document.all(PrevLayer).Style.Visibility = "hidden"
end if
if PrevSubLayer <> "" then
Document.all(PrevSubLayer).Style.Visibility = "hidden"
End if
lname = "Layer" & z
Document.all(lname).Style.Visibility = "visible"
PrevLayer = lname
End sub
*/