var activeSub=0;
var SubNum=0;

//Define global variables
var timerID = null;
var timerOn = false;
var timecount = 1000;
var what = null;
var newbrowser = true;
var check = false;

if (document.layers) {
	//alert ("Running Netscape 4");
	layerRef="document.layers";
	visibleVar="show";
	what ="ns4";
}else if(document.all){
	//alert ("Running IE");
	layerRef="document.all";
	what ="ie";
}else if(document.getElementById){
	//alert ("Running Netscape 6");
	layerRef="document.getElementByID";
	what="moz";
}else{
	//alert("Older than 4.0 browser.");
	what="none";
	newbrowser = false;
}
check = true;

function init(){
	window.status='UV Electric';
}

// Turns the layers on and off
function showLayer(layerName,e){
	var srco;
	if (!e){
		e = event;
	}
	if (e.target){
		srco = e.target;
	}else{
		srco = e.srcElement;
	}
	while(srco && srco.tagName != "TD"){
		srco = srco.offsetParent;
	}
	if (!srco){
		return;
	}
	var x = 0;
	var y = 0;
	var o = srco;
	while(o){
		x += o.offsetLeft;
		y += o.offsetTop;
		o = o.offsetParent;
	}
	if(check)
	{
		var lay;
		if (what =="none")
		{
			return;
		}
		else if (what == "moz")
		{
			lay = document.getElementById(layerName);
		}
		else
		{
			lay = eval(layerRef+'["'+layerName+'"]');
		}
		if (document.layers){
			lay.show="visible";
		}else{
			lay.style.visibility="visible";
			lay.style.left = x+"px";
			lay.style.top = (y+srco.clientHeight+1)+"px";
		}
	}
	else
	{
		return;
	}
}

function hideLayer(layerName){
	if(check){
		if (what =="none"){
			return;
		}
		else if (what == "moz"){
			lay = document.getElementById(layerName);
		}
		else
		{
			lay = eval(layerRef+'["'+layerName+'"]');
		}
		if (document.layers){
			lay.show="hide";
		}else{
			lay.style.visibility="hidden";
		}
	}
	else
	{
		return;
	}
}
function hideAll(){
	hideLayer('products_nav');
	hideLayer('company_nav');
	hideLayer('support_nav');
	hideLayer('contactus_nav');
	hideLayer('technology_nav');
}
function startTime() {
	if (timerOn == false) {
		timerID=setTimeout( "hideAll()" , timecount);
		timerOn = true;
	}
}
function stopTime() {
	if (timerOn) {
		clearTimeout(timerID);
		timerID = null;
		timerOn = false;
	}
}
function onLoad(){
	init();
}
// Pop-up Window Function
function windowOpener(url, name, args) 
{
	if (typeof(popupWin) != "object")
	{
		popupWin = window.open(url,name,args);
	} 
	else 
	{
		if (!popupWin.closed)
		{ 
			popupWin.location.href = url;
		}
		else
		{	 
			popupWin = window.open(url, name,args);
		}
	}
	popupWin.focus();
}