var activeSub=0;
var SubNum=0;

function reDo()
	{window.location.reload()}

window.onresize = reDo;

//Define global variables
var timerID = null;
var timerOn = false;
var timecount = 400;
var what = null;
var newbrowser = true;
var check = false;

function init()
	{
	//  alert ("Running Init");
	if (document.layers)
		{
		//  alert ("Running Netscape 4");
		layerRef="document.layers";
		styleSwitch="";
		visibleVar="show";
		screenSize = window.innerWidth;
		what ="ns4";
		}
	else if(document.all)
		{
		//  alert ("Running IE");
		layerRef="document.all";
		styleSwitch=".style";
		visibleVar="visible";
		screenSize = document.body.clientWidth + 18;
		what ="ie";
		}
	else if(document.getElementById)
		{
		//  alert ("Running Netscape 6");
		layerRef="document.getElementByID";
		styleSwitch=".style";
		visibleVar="visible";
		what="moz";
		}
	else
		{
		//alert("Older than 4.0 browser.");
		what="none";
		newbrowser = false;
		}
	
	window.status='National Arbor Day Foundation';
	check = true;
	}

// Turns the layers on and off
function showLayer(layerName)
	{
	if(check)
		{
		if (what =="none")
			{return;}
		else if (what == "moz")
			{document.getElementById(layerName).style.visibility="visible";}
		else
			{eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');}
		}
	else
		{
		// alert ("Please wait for the page to finish loading.");
		return;
		}
	}

function hideLayer(layerName){
	if(check)
		{
		if (what =="none")
			{return;}
		else if (what == "moz")
			{document.getElementById(layerName).style.visibility="hidden";}
		else
			{eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');}
		}
	else
		{
		// alert ("Please wait for the page to finish loading.");
		return;
		}
	}

function hideAll()
	{
	hideLayer('trees');
	hideLayer('arborday');
	hideLayer('programs');
	hideLayer('support');
	hideLayer('media');
	}

function startTime()
	{
	if (timerOn == false)
		{
		timerID=setTimeout( "hideAll()" , timecount);
		timerOn = true;
		}
	}

function stopTime()
	{
	if (timerOn)
		{
		clearTimeout(timerID);
		timerID = null;
		timerOn = false;
		}
	}

function onLoad()
	{init();}