//<![CDATA[
      function getGid()
      {
      	var gid = document.getElementById("gid");
      	return gid.innerHTML;
    }
      
    if (GBrowserIsCompatible()) {
      // this variable will collect the html which will eventualkly be placed in the side_bar
      var side_bar_html = "";
    
      // arrays to hold copies of the markers used by the side_bar
      // because the function closure trick doesnt work there
      var gmarkers = [];
      var i = 0;


      // A function to create the marker and set up the event window
      function createMarker(point,name,html,type) {
		var icon = new GIcon();
		icon.image = "/images/punt_"+type+".png";
		icon.shadow = "/images/punt_schaduw.png";
		icon.iconSize = new GSize(29, 35);
		icon.shadowSize = new GSize(29, 35);
		icon.iconAnchor = new GPoint(6, 20);
		icon.infoWindowAnchor = new GPoint(5, 1);
		   
        var marker = new GMarker(point,icon);
        GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml(html);
        });
        // save the info we need to use later for the side_bar
        gmarkers[i] = marker;
        // add a line to the side_bar html
        side_bar_html += '<a href="javascript:myclick(' + i + ')">' + name + '</a>';
        i++;
        return marker;
      }


      // This function picks up the click and opens the corresponding info window
      function myclick(i) {
        GEvent.trigger(gmarkers[i], "click");
      }

      // create the map
      var map = new GMap2(document.getElementById("map"));
      map.setCenter(new GLatLng(52.469397000000001,5.5096439999999998), 7); 
      map.addControl(new GSmallMapControl());
      map.addControl(new GMapTypeControl());


      // Read the data from example.xml
      var request = GXmlHttp.create();

      request.open("GET", "xml.php?gid="+getGid(), true);
      request.onreadystatechange = function() {
        if (request.readyState == 4) {

          var xmlDoc = GXml.parse(request.responseText);
          // obtain the array of markers and loop through it
          var markers = xmlDoc.documentElement.getElementsByTagName("marker");
          var type = xmlDoc.documentElement.getElementsByTagName("tid");
          
          
          
          for (var i = 0; i < markers.length; i++) {
            // obtain the attribues of each marker
            var lat = parseFloat(markers[i].getAttribute("lat"));
            var type = parseFloat(markers[i].getAttribute("tid"));
            
            if(type != 1 && type != 2 && type != 3 && type != 4 && type != 5){
          	  
            	if(getGid() == 9){
            		
            		type = 8;
            	}else{
          	  		type = 0;
            	}
            }
            
            if(getGid() == 7){
            	
            	type = 6;
            }
            
            if(getGid() == 8){
            	
            	type = 7;
            }
            
            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");
            
            // create the marker
            var marker = createMarker(point,label,html,type);
            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);
    }

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

    //]]>
