function checkForm(formName) {
	var myForm = document.forms[formName];
	var verplicht = new Array("voornaam","achternaam","email");
	
	for(i=0; i<myForm.length; i++){	
		for(vi=0; vi<verplicht.length; vi++){
			var form = myForm[i];
			if(form.name == verplicht[vi]){
				if(form.value == ''){
					alert("Je bent vergeten het veld " + form.name + " vergeten in te vullen!");
					document.location = "http://www.bismajeur.com/aanvraag/form/#" + form.name;
					form.focus();
					return false;				
				} else if(name == 'email'){
					checkEmail(form.value);
				}
			} 
		}
	}
	
	return true;
}

function checkEmail(str){
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str))
		return true;
	else{
		alert(str+" is geen geldig e-mail adres!")
		return false;
	}
}

function VH()
{
		if (!document.getElementById('hum_c')) {
			var ei = document.createElement('INPUT');
			var sd = 'hu' + 'm_c';
			ei.id = sd;
			ei.type = 'hidden';
			ei.name = 'hum';
			ei.value = '1';
			document.getElementById('frm').insertBefore(ei, document.getElementById('frm').childNodes[0]);
		}
}