var map;

function addevent(obj, ev, func) {
	if (obj.addEventListener) obj.addEventListener(ev, func, false);
	else if (obj.attachEvent) obj.attachEvent("on" + ev, func);
	obj = null;
}

addevent(window,"load",function () {
  if (GBrowserIsCompatible()) {
    map = new GMap2(document.getElementById(mapdiv),{size: new GSize(breedte, hoogte)});
    map.addControl(new GLargeMapControl());
    map.addControl(new GMapTypeControl());
    map.setCenter(new GLatLng(51.21, 3.22), 13);
    
    var side_bar_html = "";
      var gmarkers = [];
      var htmls = [];
      var i = 0;

      // A function to create the marker and set up the event window
      function createMarker(point,name,html,icon) {
        var marker = new GMarker(point);
        GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml(html);
        });
        GEvent.addListener(marker, "mouseover", function() {
          marker.openInfoWindowHtml(html);
        });
        gmarkers[i] = marker;
        htmls[i] = html;
        //side_bar_html += '<a href="javascript:myclick(' + i + ')">' + name + '<\/a><br>';
        i++;
        return marker;
      }


      // This function picks up the click and opens the corresponding info window
      function myclick(i) {
        gmarkers[i].openInfoWindowHtml(htmls[i]);
      }


      // create the map
      //var map = new GMap2(document.getElementById("bbmap"));
      //map.addControl(new GLargeMapControl());
      //map.addControl(new GMapTypeControl());
      //map.setCenter(new GLatLng(51.21, 3.22), 13);


      // A function to read the data
      function readMap(url) {
        var url="/tools/googlemaps/getXML2.php?cat="+url;
        var request = GXmlHttp.create();
        request.open("GET", url, true);
        request.onreadystatechange = function() {
          if (request.readyState == 4) {
            var xmlDoc = request.responseXML;
            // obtain the array of markers and loop through it
            var markers = xmlDoc.documentElement.getElementsByTagName("marker");
            
            // hide the info window, otherwise it still stays open where the removed marker used to be
            map.getInfoWindow().hide();
            
            map.clearOverlays();
            
            // empty the array
            gmarkers = [];

            // reset the side_bar
            side_bar_html="";
          
            for (var i = 0; i < markers.length; i++) {
              // obtain the attribues of each marker
              var lat = parseFloat(markers[i].getAttribute("lat"));
              var lng = parseFloat(markers[i].getAttribute("lng"));
              var point = new GLatLng(lat,lng);
              var html = markers[i].getAttribute("html");
              var label = markers[i].getAttribute("label");
	      var icon = new GIcon();
icon.image = "/images/"+markers[i].getAttribute("icon");
icon.shadow = "/images/"+markers[i].getAttribute("shadow");
icon.iconSize = new GSize(markers[i].getAttribute("icon_d"));
icon.shadowSize = new GSize(markers[i].getAttribute("shadow_d"));
icon.iconAnchor = new GPoint(9, 34);
		icon.infoWindowAnchor = new GPoint(9, 2);
		icon.infoShadowAnchor = new GPoint(18, 25);

              // create the marker
              var marker = createMarker(point,label,html,icon);
              map.addOverlay(marker);
            }
            // put the assembled side_bar_html contents into the side_bar div
            //document.getElementById("side_bar").innerHTML = side_bar_html;
          }
        }
        request.send(null);
      }
readMap("2,1");

  }
});
addevent(window,"unload",function () {
	GUnload();
});