gmap_script_listeners

gistfile1.js

google.maps.event.addListener(map, 'click', function(evt) {
    if (path.getLength() === 0) {
        path.push(evt.latLng);
        poly.setPath(path);
    } else {
        return grow_path(path.getAt(path.getLength() - 1), evt.latLng);
    }
});

reset.addEventListener('click', function(evt) {
    path.clear();
    elevation_chart.style.display = 'none';
    dist.childNodes[0].nodeValue = 'dist';
});

close.addEventListener('click', function(evt) {
    if (path.getLength() !== 0) {
        return grow_path(path.getAt(path.getLength() - 1), path.getAt(0));
    }
});