var map;
var google_street, popup, markers, feature;
var p = [
            new OpenLayers.Bounds(141.04248, -39.3, 150.00732, -34.05266),
            new OpenLayers.Bounds(144.28336, -36.75716, 144.27482, -36.76225),
        ];
function addMarker(ll, popupClass, popupContentHTML, closeBox, overflow) {

    feature = new OpenLayers.Feature(markers, ll);
    feature.closeBox = closeBox;
    feature.popupClass = popupClass;
    feature.data.popupContentHTML = popupContentHTML;
    feature.data.overflow = (overflow) ? "auto" : "hidden";
    var marker = feature.createMarker();
    var markerClick = function (evt) {
        if (this.popup == null) {
            this.popup = this.createPopup(this.closeBox);
            map.addPopup(this.popup);
            this.popup.show();
        } else {
            this.popup.toggle();
        }
        currentPopup = this.popup;
        OpenLayers.Event.stop(evt);
    };
    marker.events.register("mousedown", feature, markerClick);
    markers.addMarker(marker);
    return marker
}
function add() {
            this.popup = feature.createPopup(feature.closeBox);
            map.addPopup(popup);
        }
function mapContents()
{
  var options = {numZoomLevels: 10};

  map = new OpenLayers.Map("map", options);
  map.addControl(new OpenLayers.Control.LayerSwitcher());
  map.addControl(new OpenLayers.Control.KeyboardDefaults());
  map.addControl(new OpenLayers.Control.PanZoomBar());

  this.google_street = new OpenLayers.Layer.Google( "Google Street Map", {type: G_HYBRID_MAP, "maxZoomLevel":16} );

  markers = new OpenLayers.Layer.Markers("bunjathai");
  map.addLayer(markers);
  AutoSizeFramedCloud = OpenLayers.Class(OpenLayers.Popup.FramedCloud, {'autoSize': true, 'minSize': new OpenLayers.Size(150,100)});
  AutoSizeAnchored = OpenLayers.Class(OpenLayers.Popup.Anchored, {'autoSize': true});
  ll = new OpenLayers.LonLat(144.27936, -36.75918);
  popupClass = AutoSizeFramedCloud;
  popupContentHTML = '<h2>Bunja Thai</h2>';
  var marker = addMarker(ll, popupClass, popupContentHTML, true);
  this.google_street.setVisibility(true);
  this.google_street.setIsBaseLayer(true);
  map.addLayer(google_street);
  map.zoomToExtent(p[1]);
  add();
}