addLoadEvent(contactformulier);

function contactformulier() {
	formulier = document.getElementById("contactformulier");
	if(formulier) {
		formulier.onsubmit = function() {
			return validateContact(this);
		}
	}
}

function validateContact (theForm) {	
	var error = 0;
	var msg = "";
	
	if(theForm.naam.value.length==0) {
		error++;
		msg += "\n- " + lbl_contact_naam;
	}

	if(theForm.email.value.length==0) {
		error++;
		msg += "\n- " + lbl_contact_email;
	}
	
	if(error) {
		alert(lbl_contact_verplicht_invullen + msg);
		return false;
	}
	
	if(!validateEmail(theForm.email.value)) {
		alert(lbl_contact_geldig_email);
		return false;
	}
	return true;
}