var gmarkers = [];var html;var htmls =[];var i = 0;var icon;var label;var map;
var marker;var markers;var randomnumber;var xml;

  	function load() {
 //load Google Map
	if (GBrowserIsCompatible()) { var map = new GMap2(document.getElementById("map"));
	var geocoder = new GClientGeocoder();
	geocoder.setBaseCountryCode("NL");
	
	//add controls
	map.addControl(new GSmallMapControl()); 
    map.setCenter(new GLatLng(52.009856, 5.968469), 9);

	//create randomnumber to prevent caching and retrieve xml file
	var randomnumber=Math.floor(Math.random()*11111) 


    GDownloadUrl("http://www.veluwezoom.nl/xml/appartementen/algemeen.xml?random="+randomnumber, function(data, responseCode) {
    var xml = GXml.parse(data);

    //store markers in markers array
    var markers = xml.documentElement.getElementsByTagName("marker");

	// create marker icon
	var icon = new GIcon();
	icon.image = "http://labs.google.com/ridefinder/images/mm_20_red.png";
	icon.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";
	icon.iconSize = new GSize(12, 20);
	icon.shadowSize = new GSize(22, 20);
	icon.iconAnchor = new GPoint(0, 0);
	icon.infoWindowAnchor = new GPoint(0, 0);
	
    //loop over the markers array
	for (var i = 0; i < markers.length; i++) {
        var lat = parseFloat(markers[i].getAttribute("lat"));
        var lng = parseFloat(markers[i].getAttribute("lng"));
        var point = new GLatLng(lat,lng);
	var html = GXml.value(markers[i].getElementsByTagName("infowindow")[0]);
	var label = markers[i].getAttribute("label");
        var marker = createMarker(point,html,label,icon);
	map.addOverlay(marker);
    } //close for loop
	  }
	); //close GDownloadUrl
  } //close GBrowserIsCompatible
} //close load	
	
  //Create marker and set up event window
  function createMarker(point,html,label,icon){
  	var marker = new GMarker(point,icon);
	GEvent.addListener(marker, "click", function() {
      marker.openInfoWindowHtml(html);
    });
	
	return marker;
  }
  
    
// This function picks up the click and opens the corresponding info window
function myclick(i) {GEvent.trigger(gmarkers[i], "click");
}