if (GBrowserIsCompatible()) {

     var baseIcon = new GIcon();
          baseIcon.iconSize = new GSize(28,28);
          baseIcon.shadowSize = new GSize(40,28);
          baseIcon.iconAnchor = new GPoint(16,32);
          baseIcon.infoWindowAnchor = new GPoint(16,0);
          
      var council = new GIcon(baseIcon, "http://www.wandsworth.gov.uk/site/images/info.png", null, "http://www.wandsworth.gov.uk/site/images/sign_shadow.png");
    
      function createMarker(point,html,icon) {
        var marker = new GMarker(point,icon);
        GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml(html);
        });
        return marker;
	}
      
// -------
      var map = new GMap2(document.getElementById("map"));

     map.addControl(new GLargeMapControl());

     map.setCenter(new GLatLng(51.457196,-0.190228), 15, G_NORMAL_MAP);

      // town hall with location.php details
      var point = new GLatLng(51.457196,-0.190228);
      var marker = createMarker(point,'<div style="width:300px;"><p><strong>Main building</strong><br />The Town Hall<br />Wandsworth High Street<br />London<br />SW18 2PU</p><p>Telephone: 020 8871 6000</p></div>', council);
      map.addOverlay(marker);
      
      // town hall extension
      var point = new GLatLng(51.456989,-0.191805);
      var marker = createMarker(point,'<div style="width:300px;"><p><strong>Town Hall extension</strong><br />Wandsworth High Street<br />London<br />SW18 2PU</p></div>', council);
      map.addOverlay(marker);

      // Lyon House
      var point = new GLatLng(51.45966,-0.19891);
      var marker = createMarker(point,'<div style="width:300px;"><p><strong>Adult Social Services</strong><br />90 Putney Bridge Road<br />Bridas House<br />90 Putney Bridge Road<br />London<br />SW18 1HR</p></div>', council);
      map.addOverlay(marker);

      // Wellbeck House
      var point = new GLatLng(51.456459,-0.19141);
      var marker = createMarker(point,'<div style="width:300px;"><p><strong>Children&#39;s Services Department<strong><br />Welbeck House<br />43-51 Wandsworth High Street<br />London<br />SW18 2PU</p></div>', council);
      map.addOverlay(marker);

      // Garratt Lane
      var point = new GLatLng(51.455819,-0.192363);
      var marker = createMarker(point,'<div style="width:300px;"><p><strong>Housing</strong><br />17-27 Garratt Lane<br />Wandsworth<br />London<br />SW18 4AE</p></div>', council);
      map.addOverlay(marker);
    }

    else {
      alert("Sorry, the Google Maps API is not compatible with this browser");
    }