// <!--JavaScript Document
var aId

 
function checkDat(form) {

var d1=form.select1
var d2=form.select2
var d3=form.select3
var dd=""+d1.options[d1.selectedIndex].value+"-"+d2.options[d2.selectedIndex].value+"-"+d3.options[d3.selectedIndex].value
//alert('datum='+dd)
form.datum.value=dd
chekLink1(form)
}

function checkDatSE(form) {

var d1=form.select1
var d2=form.select2
var d3=form.select3
var startD=""+d1.options[d1.selectedIndex].value+"-"+d2.options[d2.selectedIndex].value+"-"+d3.options[d3.selectedIndex].value
//alert('startdatum='+startD)
form.start_datum.value=startD

var d4=form.select4
var d5=form.select5
var d6=form.select6
var eindD=""+d4.options[d4.selectedIndex].value+"-"+d5.options[d5.selectedIndex].value+"-"+d6.options[d6.selectedIndex].value
//alert('einddatum='+eindD)
form.eind_datum.value=eindD
chekLink1(form)
}

function chekLink1(form) {
strng = form.link1.value
//alert(strng)
if (strng != ""){
//	alert(strng +' 2')
	if (strng.substr(0,4) !='http'){
if (strng.substr(0,4) =='www.')
{form.link1.value="http://"+form.link1.value}
else {alert(' U heeft een niet-correcte link opgegeven'); return false;}}

}}

function valideerWachtwoord() {
var foutkarakter = " ";
var minLengte = 6;
// check minimale lengte

if (document.registreer.password1.value.length < minLengte) {
alert('Uw wachtwoord dient tenminste ' + minLengte + ' karakters te bevatten.');
return false;
}
if (document.registreer.username.value.length < minLengte) {
alert('Uw loginnaam dient tenminste ' + minLengte + ' karakters te bevatten.');
return false;
}
// check voor foutkarakter ;-)
if (document.registreer.password1.value.indexOf(foutkarakter) > -1) {
alert("U mag geen spaties gebruiken in uw wachtwoord.");
return false;
}
if (document.registreer.username.value.indexOf(foutkarakter) > -1) {
alert("U mag geen spaties gebruiken in uw loginnaam.");
return false;
}
else {
return true;
      }
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function forum_o(){
	alert('forum_o')
		
	MM_showHideLayers('forum_h','','show');
}
function forum_h(){
	alert('forum_h')
		
	MM_showHideLayers('forum_h','','hide');
}

function agendaItem(aId){
	alert('agendaItem')
	alert('aId= '+aId)
	
	MM_showHideLayers('nieuwsbrief_agenda_h','','show');
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function confirmDelete()
{
    var agree=confirm("item uit database verwijderen?");
    if (agree)
        return true;
    else
        return false;
}


function makeStringFromSelect(selectCtrl) {
	var i;
	var j = 0;
	var outlist = "";

	for (i = 0; i < selectCtrl.options.length; i++) {
		if (j > 0) {
			outlist = outlist + ", ";
		}
		outlist = outlist + selectCtrl.options[i].value;
		j++;
	}
	return outlist;
}

function addItems(fromCtrl, toCtrl) {
	var i;
	var j;
	var itemexists;
	var nextitem;

	// step through all items in fromCtrl
	for (i = 0; i < fromCtrl.options.length; i++) {
		if (fromCtrl.options[i].selected) {
			// search toCtrl to see if duplicate
			j = 0;
			itemexists = false;
			while ((j < toCtrl.options.length) && (!(itemexists))) {
				if (toCtrl.options[j].value == fromCtrl.options[i].value) {
					itemexists = true;
					alert(fromCtrl.options[i].value + " found!");
				}
				j++;
			}
			if (!(itemexists)) {
				// add the item
				nextitem = toCtrl.options.length;
				toCtrl.options[nextitem] = new Option(fromCtrl.options[i].text);
				toCtrl.options[nextitem].value = fromCtrl.options[i].value;
			
			}
		}
	}
}

function removeItems(fromCtrl) 
{
var i = 0;
	var j;
	var k = 0;

	while (i < (fromCtrl.options.length - k)) 
{
		if (fromCtrl.options[i].selected) 
{
			// remove the item
			for (j = i; j < (fromCtrl.options.length - 1); j++) 
{
				fromCtrl.options[j].text = fromCtrl.options[j+1].text;
				fromCtrl.options[j].value = fromCtrl.options[j+1].value;
				fromCtrl.options[j].selected = fromCtrl.options[j+1].selected;
}
			k++;
} 
else 
{
			i++;
}
}
	for (i = 0; i < k; i++) 
{
		fromCtrl.options[fromCtrl.options.length - 1] = null;
}

}

function selectItems(todB) {
// Alle options forumleden selected en control op aantal is 0	
var i;
todbl = todB.options.length;
if (todbl > 0) {
for (i = 0; i < todbl; i++) {
todB.options[i].selected="selected";
}
}
else {
	alert( 'U kunt niet alle forumleden verwijderen.');
	return false;
}
}


// -->