 = L.heatLayer(points, {radius: document.getElementById("radiusInput").value, maxZoom: map.getZoom()}).addTo(map);
                            heat._leaflet_id = "heatLayer";
                        } else {
                            var geojsonLayer = L.geoJSON(geojson_data[document.getElementById("geo_field-select").value]).addTo(map);
                            map.fitBounds(geojsonLayer.getBounds());
                        }
                    }
                });
            }

            var po