var HiLev=document.getElementById&&!document.all ? true: false;
var IE4=(document.all && !HiLev) ? document.all : false;
var NS4=(document.layers) ? document.layers : false;

divs = new Array("Pollform");
function showFields( divID) {
 for ( i = 0; i < divs.length ; i++) {
  if (divs[i] == divID) {

   document.all( divs[i] ).style.display = "block"
  } else {

   document.all( divs[i] ).style.display = "none"
  }
 } 
}

function show( EL ) {
  if (HiLev) document.getElementById(EL).style.visibility="visible"
  if (IE4) IE4[EL].style.visibility="visible";
  if (NS4) NS4[EL].visibility="visible";
}

function hide( EL ) {
  if (HiLev) document.getElementById(EL).style.visibility="hidden"
  if (IE4) IE4[EL].style.visibility="hidden";
  if (NS4) NS4[EL].visibility="hidden";
}



function updateCounter(Account,Style,TimeOutSeconds) {

var CounterServer='http://nade.dk/nnet/domcount.nsf';
var IncParam='';

// set default timeout
if (TimeOutSeconds=='') TimeOutSeconds=600;
// get current date/time
var now=new Date();
// retrieve existing cookie, if exists
var cookiename='DomCountLastVisit'+Account
var index=document.cookie.indexOf(cookiename);

if (index==-1)

// no cookie present, therefore first visit to page

{
IncParam='&U';
}
else
{
// DomCountLastVisit cookie exists, get date/time value

var countbegin=(document.cookie.indexOf("=",index)+1);
var countend=document.cookie.indexOf(";", index);
if (countend == -1) countend = document.cookie.length;
var LastVisit=new Date(document.cookie.substring(countbegin, countend));

// calculate seconds elapsed between last visit and now
// (N.B. if your page will only be used by recent browsers (IE4/5, NS4), you can
// use the Math.round function below for more precision)
// elapsed=Math.round((now-LastVisit)/1000);

var elapsed=(now-LastVisit)/1000;
if (elapsed<=TimeOutSeconds)
// user still within same session
{
IncParam='';
}
else
// create agent parameter to indicate unique visit
IncParam='&U';
}
// set SRC for IMG tag (will auto-load as soon as this is set)
if (document.all) {
document.getElementById(Account).src=CounterServer+"/WebCounter?OpenAgent&S="+Style+"&X="+Account+"&W=3&V"+IncParam;
}
else {
document.all[Account].src=CounterServer+"/WebCounter?OpenAgent&S="+Style+"&X="+Account+"&W=3&V"+IncParam;
}

// set LastVisit cookie value (after above tests and image loading)
document.cookie=cookiename+"="+now;
}