function bevestigDelete(vraag, url) {
	var antwoord = confirm(vraag);
	if(antwoord) {
		location.href = url;
	}
}

function createAantal(me) {
	userInput = new String();
	userInput = me.value;
	userInput = parseInt(userInput);
	if(isNaN(userInput)) { return 0; } else { return userInput; }
}

function checkForm(form){
	var msg ="";

	if(form.frmnaam.value == ''){
	msg += ('* Naam\n');
	document.getElementById('sternaam').style.color = 'red';
	}
	else {document.getElementById('sternaam').style.color = '';}


	if(form.frmadres.value == ''){
	msg += ('* Adres\n');
	document.getElementById('steradres').style.color = 'red';
	}
	else {document.getElementById('steradres').style.color = '';}


	if(form.frmpostcode.value == ''){
	msg += ('* Postcode en woonplaats\n');
	document.getElementById('sterpostcode').style.color = 'red';
	}
	else {document.getElementById('sterpostcode').style.color = '';}


	if(form.frmtelefoon.value == ''){
	msg += ('* Telefoon\n');
	document.getElementById('stertelefoon').style.color = 'red';
	}
	else {document.getElementById('stertelefoon').style.color = '';}


	if(form.frmemail.value.indexOf('@') == -1) {
	msg += ('* E-mail\n');
	document.getElementById('steremail').style.color = 'red';
	}
	else {document.getElementById('steremail').style.color = '';}


	if(form.frmaantal.value == ''){
	msg += ('* Aantal personen\n');
	document.getElementById('steraantal').style.color = 'red';
	}
	else {document.getElementById('steraantal').style.color = '';}


	if(form.frmrekening.value == ''){
	msg += ('* Aantal personen\n');
	document.getElementById('sterrekening').style.color = 'red';
	}
	else {document.getElementById('sterrekening').style.color = '';}


	if (!msg == "") {
	window.alert("Volgende (verplichte) velden zijn niet (correct) ingevuld:\n" + "\n" + msg + "\n" + "Gelieve deze velden (correct) in te vullen.");
	event.returnValue = false;
	}
}