function launch(alink, e)
{
	var url = alink.href ? alink : document.getElementById(alink);
	var popupwindow = "cibit_extern";
	var openedWindow;
	// check if current location and url location on same host, 
	// if so: display in same window, otherwise in popup window
	var us = url.host.indexOf(":");
	var uc = us==-1 ? url.host : url.host.substring(0,us);
	var ls = location.host.indexOf(":");
	var lc = ls==-1 ? location.host : location.host.substring(0,ls);
	var popup = uc!=lc
  if (e.altKey | e.ctrlKey | e.shiftKey)
  {
		// user presses special keys on klick, bail out!
		return true;
  }
  if (popup)
  {
    //if(uc=="www.dnv.nl")
    //  location.href = "/site.nsf/redirect?OpenForm&goto=" + encodeURIComponent(url);
    //else 
	if (popupwindow!="")
      openedWindow = open(url, popupwindow);
    else
      openedWindow = open(url);
    if(openedWindow) openedWindow.focus();
  }
  else
  {
    location.href = url;
  }
  return false;
}
function launchwindow(alink, e)
{
	var url = alink.href ? alink : document.getElementById(alink);
	var popupwindow = "cibit_extern";
	var openedWindow;
  if (e.altKey | e.ctrlKey | e.shiftKey)
  {
		// user presses special keys on klick, bail out!
		return true;
  }
  if (popupwindow!="")
    openedWindow = open(url, popupwindow);
  else
    openedWindow = open(url);
  if(openedWindow) openedWindow.focus();
  //always return false
  return false;
}
function snelmenu(t)
{
	var url = t.options[t.selectedIndex].value;
	t.selectedIndex=0;
	if(url!="") document.location.href=url;
}
function openzoekinstellingen()
{
	var s;
	var t;
	s = "zoekuitgebreid"
	t = document.all ? document.all[s] : document.getElementById(s);
	if (t) t.style.display = "inline";
	s = "zoekuitklap"
	t = document.all ? document.all[s] : document.getElementById(s);
	if (t) t.style.display = "none";
	
	return false;
}
function sluitzoekinstellingen()
{
	var s;
	var t;
	s = "zoekuitgebreid"
	t = document.all ? document.all[s] : document.getElementById(s);
	if (t) t.style.display = "none";
	s = "zoekuitklap"
	t = document.all ? document.all[s] : document.getElementById(s);
	if (t) t.style.display = "inline";
	
	return false;
}
function show(s)
{
	var t;
	t = document.all ? document.all[s] : document.getElementById(s);
	if (t) t.style.display = "inline";
}
function hide(s)
{
	t = document.all ? document.all[s] : document.getElementById(s);
	if (t) t.style.display = "none";
}
function process_zoek()
{
	var f = document.forms['zoek'];
	var s = f.elements['s'].value;
	if (s == "")
		alert("zoek trefwoord invullen!")
	else
		document.location.href=f.action + "?readform&s=" + escape(s)
	return false;
}
function process_extzoek()
{
	var disp;
	var t;
	var f = document.forms['extendedsearch'];
	var s = f.elements['s'].value;
	var options = "";
	disp = "zoekuitgebreid"
	t = document.all ? document.all[disp] : document.getElementById(disp);
	if (t && t.style.display != "none") options +="u";
	if (f.elements['v'].checked) options += 'v';
	if (f.elements['f'].checked) options += 'f';
	if (f.c[0].checked) options += f.c[0].value;
	if (f.c[1].checked) options += f.c[1].value;
	if (f.c[2].checked) options += f.c[2].value;
	if (options!="") options = "&t=" + options;
	if (s == "")
		alert("zoek trefwoord invullen!")
	else
		document.location.href=f.action + "?readform&s=" + escape(s) + options
	return false;
}
function checkaanmeldvelden()
{
	var f = document.forms['aanmeld']
	var period
	var exp
//check of aanmelding invullen verplicht is
	if (aanmeldalert != "")
	{
		var i
		for (i=0; i<f.aanmelding.length ; i++)
		{
			if(f.aanmelding[i].checked) break;
		}
		if (i==f.aanmelding.length){ alert (aanmeldalert); return false }
	}
//check verplichte velden
	if (f.naam.value == ""){ alert ("Naam ingevullen alstublieft"); f.naam.focus(); return false }
	if (!(f.geslacht[0].checked || f.geslacht[1].checked)) { alert ("Geslacht invullen alstublieft"); f.geslacht[0].focus(); return false }
	if (f.adres.value == ""){ alert ("Adres invullen alstublieft"); f.adres.focus(); return false }
	if (f.postcode.value == ""){ alert ("Postcode invullen alstublieft"); f.postcode.focus(); return false }
	if (f.plaats.value == ""){ alert ("Plaats invullen alstublieft"); f.plaats.focus(); return false }
	if (f.email.value == ""){ alert ("E-mail adres invullen alstublieft"); f.email.focus(); return false }
//create cookie
	if (f.aanmeldid.value != "")
	{
		exp = new Date()
		period = exp.getTime() + (26 * 7 * 24 * 60 * 60 * 1000)
		exp.setTime(period)
		document.cookie = "a" + f.aanmeldid.value + "=x; expires=" + exp.toGMTString() + "; path=/";
	}
	return true;
}
function checkezineaanmeldvelden()
{
	var f = document.forms['aanmeld']
	var period
	var exp
//check of aanmelding invullen verplicht is
	if (aanmeldalert != "")
	{
		var i
		for (i=0; i<f.aanmelding.length ; i++)
		{
			if(f.aanmelding[i].checked) break;
		}
		if (i==f.aanmelding.length){ alert (aanmeldalert); return false }
	}
//check verplichte velden
	if (f.naam.value == ""){ alert ("Naam invullen alstublieft"); f.naam.focus(); return false }
	if (!(f.geslacht[0].checked || f.geslacht[1].checked)) { alert ("Geslacht invullen alstublieft"); f.geslacht[0].focus(); return false }
	if (f.email.value == ""){ alert ("E-mail adres ingevullen alstublieft"); f.email.focus(); return false }
//create cookie
	if (f.aanmeldid.value != "")
	{
		exp = new Date()
		period = exp.getTime() + (26 * 7 * 24 * 60 * 60 * 1000)
		exp.setTime(period)
		document.cookie = "a" + f.aanmeldid.value + "=x; expires=" + exp.toGMTString() + "; path=/";
	}
	return true;
}
function aanmeldclick(checkbox, kosten)
{
	return true;
}
function zetafdeling(afdeling)
{
	document.cookie = "afdeling=" + afdeling + "; path=/";
}
function getSelectedButton(buttonGroup){
	for (var i = 0; i < buttonGroup.length; i++) {
		if (buttonGroup[i].checked) {
			return i
		}
	}
	return -1
}
function submitpoll(rooturl)
{
	var f = document.forms['poll']
	var url = rooturl
	var button = getSelectedButton(f.result)
	if (button<0)
	{
		alert("Selecteer eerst een antwoord")
		return false
	}
	document.location = rooturl + "&vote=" + button
}