function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(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 checkNEmail(form) {
	if (isBlank(form.email.value) || isBlank(form.name.value) || !isEmailValid(form.email.value) ) 
	{
		alert("Gelieve een geldige naam en email-adres in te geven.\nHet email-adres of de naam die u ingaf blijkt ongeldig.");
		form.email.focus();
		return false;
	}
	}

function isBlank(fieldValue) {
	var blankSpaces = / /g;
	fieldValue = fieldValue.replace(blankSpaces, "");
	return (fieldValue == "") ? true : false;
}

function isEmailValid(fieldValue) {
	var emailFilter = /^.+@.+\..{2,4}$/;
	var atSignFound = 0;
	for (var i = 0; i <= fieldValue.length; i++)
		if ( fieldValue.charAt(i) == "@" )
			atSignFound++;
	if ( atSignFound > 1 )
		return false;
	else
		return ( emailFilter.test(fieldValue) && !doesEmailHaveInvalidChar(fieldValue) ) ? true : false;
}

function doesEmailHaveInvalidChar(fieldValue) {
	var illegalChars = /[\(\)\<\>\,\;\:\\\/\"\[\] ]/;
	return ( illegalChars.test(fieldValue) ) ? true : false;
}
function go(url,target) {
  window.open(url,target);  
}

//inschrijven
// check multi checkboxes based on the name passed in.
function CheckMultiple1(name) 
{
	theFrm = document.frmSubscr;
	for (var i=0; i < theFrm.length; i++) 
	{
		fldObj = theFrm.elements[i];
		var fieldnamecheck=fldObj.name.indexOf(name);
		if (fieldnamecheck != -1) {
			if (fldObj.checked) {
				return true;
			}
		}
	}
	return false;
}


function CheckSS1()
{
	theFrm = document.frmSubscr;

	hasDot = theFrm.Email.value.indexOf(".");
	hasAt = theFrm.Email.value.indexOf("@");
	
			if (!CheckMultiple1("SelectLists")) {
				alert("Gelieve een nieuwsbrief te selecteren waarop u zich wenst te abboneren.");
				return false;
			}
		
	if (hasDot == -1 || hasAt == -1)
	{
		alert("Gelieve een geldig email-adres in te vullen.");
		theFrm.Email.focus();
		theFrm.Email.select();
		return false;
	}

	
	return true;
}

//uitschrijven
function CheckMultiple2(name) 
{
	theFrm = document.frmUnsubscr;
	for (var i=0; i < theFrm.length; i++) 
	{
		fldObj = theFrm.elements[i];
		var fieldnamecheck=fldObj.name.indexOf(name);
		if (fieldnamecheck != -1) {
			if (fldObj.checked) {
				return true;
			}
		}
	}
	return false;
}

function CheckSS2()
{
	theFrm = document.frmUnsubscr;

	hasDot = theFrm.Email.value.indexOf(".");
	hasAt = theFrm.Email.value.indexOf("@");

	if (hasDot == -1 || hasAt == -1)
	{
		alert("Gelieve een geldig email-adres in te vullen.");
		theFrm.Email.focus();
		theFrm.Email.select();
		return false;
	}
	
			if (!CheckMultiple2("SelectLists")) {
				alert("Gelieve een nieuwsbrief te selecteren waarvan u zich wenst uit te schrijven.");
				return false;
			}
		

	return true;
}