function isValidEmailAddress(emailAddress) {
var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
return pattern.test(emailAddress);
};

function checkAanvraagForm(){

	var t = '';

	
	if($('naam').value=='') t += '+ Naam\r\n';
	
	if($('email').value=='' || isValidEmailAddress($('email').value) == false) t += '+ E-mailadres\r\n';
		
//	if($('adres').value=='') t += '+ Vul aub uw adres in.\n';
	
//	if($('postcode').value=='') t += '+ Vul aub uw postcode en plaats in.\n';

	if($('telefoon').value=='') t += '+ Telefoonnummer\r\n';
//	if($('opmerking').value=='') t += '+ Opmerking\r\n';
	
	if(t != ''){

		alert('Vul a.u.b. alle verplichte velden in:\r\n\r\n'+t);

		return false;

	}

		return true;
}