$.get("/map_geojson.cgi", function(data) {
                var geojsonLayer = new L.GeoJSON(data, {
                        style: function(feature) {
                                if (feature.geometry.type == 'LineString') {
                                        geojsonPolyLineOptions.color = feature.properties.color;
                                        return geojsonPolyLineOptions;
                                } else {
                                        return {fillColor: feature.properties.color};
                                }
                        },
                    pointToLayer: function(feature, latlng) {
                            geojsonMarkerOptions.fillColor=feature.properties.color;
                            return L.circleMarker(latlng, geojsonMarkerOptions);
                    },
                    onEachFeature: function(feature, layer) {
                            createPopup(feature, layer);
                            map.on('almost:click', createPopup(feature, layer));
                    }
                } );
                map.addLayer(geojsonLayer);
                map.almostOver.addLayer(geojsonLayer);

        });