//<![CDATA[
    var map;
    var markers = [];
    var infoWindow;
    var locationSelect;

    function load() {
      map = new google.maps.Map(document.getElementById("map"), {
        center: new google.maps.LatLng(52.13263303875968, 5.291265999999997),
        zoom: 7,
		disableDefaultUI: true,
		navigationControl: true,
		navigationControlOptions: {
			style: google.maps.NavigationControlStyle.SMALL
		},
        mapTypeId: 'roadmap'
      });
      infoWindow = new google.maps.InfoWindow();

	  searchLocations();
   }

   function searchLocations() {
     var address = 'Nederland';
     var geocoder = new google.maps.Geocoder();
     geocoder.geocode({address: address}, function(results, status) {
       if (status == google.maps.GeocoderStatus.OK) {
        searchLocationsNear(results[0].geometry.location);
       } else {
         alert(address + ' not found');
       }
     });
   }

   function clearLocations() {
     infoWindow.close();
     for (var i = 0; i < markers.length; i++) {
       markers[i].setMap(null);
     }
     markers.length = 0;
   }

   function searchLocationsNear(center) {
     clearLocations(); 

     var radius = 15000;
     var searchUrl = '/Scripts/referenties_genxml.php?lat=' + center.lat() + '&lng=' + center.lng() + '&radius=' + radius;
     downloadUrl(searchUrl, function(data) {
       var xml = parseXml(data);
       var markerNodes = xml.documentElement.getElementsByTagName("marker");
       var bounds = new google.maps.LatLngBounds();
       for (var i = 0; i < markerNodes.length; i++) {
         var name = markerNodes[i].getAttribute("name");
         var address = markerNodes[i].getAttribute("address");
		 var tekst = markerNodes[i].getAttribute("tekst");
		 var afbeelding = markerNodes[i].getAttribute("afbeelding");
         var distance = parseFloat(markerNodes[i].getAttribute("distance"));
         var latlng = new google.maps.LatLng(
              parseFloat(markerNodes[i].getAttribute("lat")),
              parseFloat(markerNodes[i].getAttribute("lng")));

         createMarker(latlng, name, address, tekst, afbeelding);
         bounds.extend(latlng);
       }
       map.fitBounds(bounds);
      });
    }
  
    function createMarker(latlng, name, address, tekst, afbeelding) {
      var html = "<img src=\"" + afbeelding + "\" width=\"180\" height=\"130\" align=\"right\" style=\"margin-left:5px;\"/><b>" + name + "</b> <br/>" + tekst;
      var marker = new google.maps.Marker({
        map: map,
        position: latlng
      });
      google.maps.event.addListener(marker, 'click', function() {
        infoWindow.setContent(html);
        infoWindow.open(map, marker);
      });
      markers.push(marker);
    }

    function downloadUrl(url, callback) {
      var request = window.ActiveXObject ?
          new ActiveXObject('Microsoft.XMLHTTP') :
          new XMLHttpRequest;

      request.onreadystatechange = function() {
        if (request.readyState == 4) {
          request.onreadystatechange = doNothing;
          callback(request.responseText, request.status);
        }
      };

      request.open('GET', url, true);
      request.send(null);
    }

    function parseXml(str) {
      if (window.ActiveXObject) {
        var doc = new ActiveXObject('Microsoft.XMLDOM');
        doc.loadXML(str);
        return doc;
      } else if (window.DOMParser) {
        return (new DOMParser).parseFromString(str, 'text/xml');
      }
    }

    function doNothing() {}

    //]]>