/* vim: set expandtab tabstop=4 shiftwidth=4: */

function addGeocodingToMarker(marker,address){
    marker.orig_initialize = marker.initialize;
    orig_redraw   = marker.redraw;
    marker.redraw = function(force){}; //empty the redraw method so no error when called by addOverlay.
    marker.initialize = function(map){
        new GClientGeocoder().getLatLng(address,
            function(latlng){
                if(latlng){
                    marker.redraw = orig_redraw;
                    marker.orig_initialize(map); //init before setting point
                    marker.setPoint(latlng);
                }//do nothing
            });
    };
    return marker;
}

GMap2.prototype.centerAndZoomOnMarkers = function(markers) {
    var bounds = new GLatLngBounds(markers[0].getPoint(),
        markers[0].getPoint());
    for (var i=1, len = markers.length ; i<len; i++) {
        bounds.extend(markers[i].getPoint());
    }

    this.centerAndZoomOnBounds(bounds);
}

GMap2.prototype.centerAndZoomOnPoints = function(points) {
    var bounds = new GLatLngBounds(points[0],
        points[0]);
    for (var i=1, len = points.length ; i<len; i++) {
        bounds.extend(points[i]);
    }

    this.centerAndZoomOnBounds(bounds);
}

GMap2.prototype.centerAndZoomOnBounds = function(bounds) {
    var center = bounds.getCenter();
    this.setCenter(center, this.getBoundsZoomLevel(bounds));
}

ManagedMarker = function (markers, minZoom, maxZoom) {
    this.markers = markers;
    this.minZoom = minZoom;
    this.maxZoom = maxZoom;
}

//Add the markers and refresh
function addMarkersToManager(manager, managedMarkers) {
    for (var i = 0, length = managedMarkers.length; i < length; i++) {
        mm = managedMarkers[i];
        manager.addMarkers(mm.markers, mm.minZoom, mm.maxZoom);
    }
    manager.refresh();
    return manager;
}

var INVISIBLE = new GLatLng(0,0); //almost always invisible

if(Event && Event.observe){
    Event.observe(window, 'unload', GUnload);
}else{
    window.onunload = GUnload;
}