var ns=(document.layers);var ie=(document.all);var ns5up=(document.getElementById && !ie)
if (!(ns || ie || ns5up)) {location='nav.html';} //if not a v4 browser, redirect to lotec
if (ns) {var visible='show'; var hidden='hide';}
if (ie||ns5up) {var visible='visible'; var hidden='hidden';}

var onsub = ''; //to track which sub is revealed
function subIt(sub){
	var dasub;
	if ((onsub != '') && (onsub != sub)){ 	//if a sub is revealed and it isn't the one we are revealing
		if (ns){dasub = document.layers[onsub];}
		if (ie){dasub = document.all[onsub].style;}
		if (ns5up){dasub = document.getElementById(onsub).style;}
		dasub.visibility = hidden;}   //hide it
	if (sub=='hideall'){onsub='';return;}
	if (ns){dasub = document.layers[sub];}
	if (ie){dasub = document.all[sub].style;}
	if (ns5up) { dasub = document.getElementById(sub).style;}
		dasub.visibility=visible;onsub=sub;}



function checkReg()
{
	var Reg = window.event.RegCode;
	if (window.event.shiftReg)
	{
		if (Reg == 65 || Reg == 97)
		{
			View();
		}
		else if (Reg == 67 || Reg == 99)
		{
			Hide();
		}
	}
}

function View()
{
	for(var i = 0; i < document.all.length; i++)
	{
	   if (document.all(i).className == "closed")
	   {
		document.all(i).className = "open" ;
	   }
	}
}

function Hide()
{
	for(var i = 0; i < document.all.length; i++)
	{
	   if (document.all(i).className == "open")
	   {
		document.all(i).className = "closed" ;
	   }
	}
}

function synopsis()
{
    var bairn = document.all[event.srcElement.getAttribute("bairn",false)];
    if (null != bairn){
		if(bairn.className == "closed")
		{
			bairn.className = "open";
			return;
		}
		if(bairn.className == "open")
		{
			bairn.className = "closed";
			return;
		}
    }
}