function showLayer(whichdiv){
	if (document.getElementById(whichdiv.id+"_ov").style.display == ''){
		document.getElementById(whichdiv.id+"_ov").style.display = 'none';
	}else {
		document.getElementById(whichdiv.id+"_ov").style.display = '';
	}
	
}
function checkForm(){
	tel=0;
	if (document.getElementById("naam").value =='') {				
		tel++;		
		document.getElementById("naam").className = 'txtinputWrong';
	} else	{ 
		document.getElementById("naam").className = 'txtinput';
	}
	if (document.getElementById("email").value =='' || !checkEmail(document.getElementById("email").value)) {
		tel++;		
		document.getElementById("email").className = 'txtinputWrong';		
	} else	{ 
		document.getElementById("email").className = 'txtinput';
	}
	if (document.getElementById("opmerkingen").value =='') {				
		tel++;		
		document.getElementById("opmerkingen").className = 'txtareaWrong';
	} else	{ 
		document.getElementById("opmerkingen").className = 'txtarea';
	}
	if(tel==0){					
		return true;
	} else {
		document.getElementById("formMelding").innerHTML = '<b>* Vul aub. alle verplichte velden in [' + tel + ']</b>';
		return false;
	}	
}
function checkEmail(str){
	var testresults = false;
	//uitleg filter: minimaal 1 letter voor @ ; min 1 max 66 letters na @ ; min 2 max 6 letters na punt.
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str)){
		testresults=true;
	}else{
		testresults=false;
	}
	return (testresults);
}	
function switchIt(what){
	document.getElementById('digital').style.display='none';
	document.getElementById('solTable').style.display='none';
	document.getElementById(what).style.display='';
}
function checkInput(input, was, wordt){
	if(input.value==was){
		input.value=wordt;
	}
}
function openMenu(divId) {
		cancelClose();
		closeAll();
		document.getElementById(divId).style.display='';	
}

function closeAll(){
		document.getElementById('organisatie').style.display='none';
		document.getElementById('producten').style.display='none';
		document.getElementById('acties').style.display='none';
		document.getElementById('nieuws').style.display='none';
		document.getElementById('trainingen').style.display='none';
}
function closeMenu(divId){
	t = setTimeout(function(){closeAll()},600);
}

function cancelClose(){
	if(typeof(t) != "undefined") {
	clearTimeout(t);
	}
}
function openInfo(){
	document.getElementById('infosmall').style.display = 'none';
	document.getElementById('infolarge').style.display = '';
}
function closeInfo(){
	document.getElementById('infolarge').style.display = 'none';
	document.getElementById('infosmall').style.display = '';
}
function aanmeldSubmit(){ // Voor nieuwsbrief aanmeldform naar MuskitoMail
	tel=0;
	if (document.getElementById("last_name").value =='') {				
		tel++;		
		document.getElementById("last_name").className = 'txtInputWrong';
	} else	{ 
		document.getElementById("last_name").className = 'txtInput';
	}
	if (document.getElementById("free_field_1").value =='') {				
		tel++;		
		document.getElementById("free_field_1").className = 'txtInputWrong';
	} else	{ 
		document.getElementById("free_field_1").className = 'txtInput';
	}
	if (document.getElementById("email").value =='' || !checkEmail(document.getElementById("email").value)) {
		tel++;		
		document.getElementById("email").className = 'txtInputWrong';		
	} else	{ 
		document.getElementById("email").className = 'txtInput';
	}
	if(tel==0){
		return true;
	} else {
		return false;
	}	
}
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_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_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_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_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];}
}