function routeplannen() {
window.open('http://maps.google.nl/maps?f=d&source=s_d&saddr=&daddr=Markt+14,+6231+Meerssen&hl=nl&geocode=&mra=ls&sll=52.469397,5.509644&sspn=5.208167,19.017334&ie=UTF8&t=h&z=16','','toolbar=no,location=0,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,fullsreen=yes');
}