function calcLocation(saddr,address,city,country) {
  var uri  = 'http://maps.google.nl/maps?';
      uri += 'daddr='+saddr;
      uri += '&saddr='+address+', '+city+', '+country;
      uri += '&f=li&hl=nl&ie=UTF8&z=&om=1';
  window.open(uri,'winGoogleMaps','');
}