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("vragen").value =='') {				
		tel++;		
		document.getElementById("vragen").className = 'txtareaWrong';
	} else	{ 
		document.getElementById("vragen").className = 'txtarea';
	}
	if(tel==0){					
		return true;
	} else {
		document.getElementById("formMelding").innerHTML = '<b>* Vul aub. alle verplichte velden in [' + tel + ']</b>';
		return false;
	}
}
function waitSubmit(){
	document.getElementById('contactFrm').submit();
}
function waitDownloadSubmit(){
	document.getElementById('downloadFrm').submit();
}
function findLabel(el) {    
	labels = document.getElementsByTagName('label');   
	for( var i = 0; i < labels.length; i++ ) {     
		if (labels[i].htmlFor == el) {          
			return labels[i];   
		}
	}
}
function checkDownloadForm(){
	tel=0;
	checkform = document.getElementsByName("download[]");
	checkcount = false;
	for (i=0;i<checkform.length ;i++ )
	{
		if (checkform[i].checked)
		{
			checkcount = true;
		}
	}
	if (checkcount)	{
		for (i=1;i<=checkform.length ;i++ )	{
			lbl = findLabel('download_'+i);
			if (lbl)
			{
				lbl.style.color = '#000';
			} 
		}
	} else {
		tel++;
		for (i=1;i<=checkform.length ;i++ )	{
			lbl = findLabel('download_'+i);
			if (lbl)
			{
				lbl.style.color = '#D00';
			}
		}
	}
	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("telefoon").value =='') {				
		tel++;		
		document.getElementById("telefoon").className = 'txtareaWrong';
	} else	{ 
		document.getElementById("telefoon").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("first_name").value =='') {				
		tel++;		
		document.getElementById("first_name").className = 'txtinputWrong';
	} else	{ 
		document.getElementById("first_name").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;
	}	
}