getPosition.js

function getPosition() {
  if($('form#plan-journey').length > 0) {
    // native support via the W3C Spec
    if(navigator.geolocation) {
      navigator.geolocation.getCurrentPosition(revGeocode);
    // support via the wrapper
    } else if(geo_position_js.init()) {
      geo_position_js.getCurrentPosition(revGeocode);
    // nothing available
    } else {
      console.log("I know nothing");
    }
  }
}