function showAddress(address) {
    geocoder = new google.maps.Geocoder();
    if (geocoder) {
        geocoder.geocode( 
            {'address': address}, 
            function(results, status) {
                if (status == google.maps.GeocoderStatus.OK) {
                    document.location = "./event.php?lat="+ results[0].geometry.location.lat() +"&lon="+ results[0].geometry.location.lng();
                } else {
                    $("#address").val("Georeferenzierung nicht möglich");
                    return false;
                }
            }
        );
    }
}