//lattitude = verticaal
//longitude = horizontaal

function makeOverlay(lat,lon){
	var offset = 0.03;
	var polygon = new GPolygon([
		new GLatLng(lat + offset, lon - offset),
		new GLatLng(lat + offset+0.02, lon + offset),
		new GLatLng(lat + offset+0.02+0.02, lon + offset+0.02),
		new GLatLng(lat + offset-0.07, lon + offset+0.09),
		new GLatLng(lat + offset, lon + offset),
		new GLatLng(lat - offset, lon + offset),
		new GLatLng(lat - offset, lon - offset),
		new GLatLng(lat + offset, lon - offset)
		], "#0000EE", 1, 1, "#0000EE", 0.2);
	return polygon;
	}

function showKavelInfo(){
	document.getElementById('overlay').style.display = 'block';
	document.body.style.overflow = 'hidden';
	document.getElementById('kavelInfo').style.display = 'block';
	document.getElementById('overlay').style.zindex = '10';
	document.getElementById('kavelInfo').style.zindex = '20';


}

function hideKavelInfo(){
	document.getElementById('overlay').style.display = 'none';
	document.body.style.overflow = 'auto';
	document.getElementById('kavelInfo').style.display = 'none';
	document.getElementById('overlay').style.zindex = '0';
	document.getElementById('kavelInfo').style.zindex = '0';
}

function initialize(x,y) {

	if (GBrowserIsCompatible()) {
		var map = new GMap2(document.getElementById("map_canvas"));
		map.setCenter(new GLatLng(x, y), 15);
	           var point = new GLatLng(51.38694007254337,6.13121313325041);
    map.addControl(new GOverviewMapControl());
    map.addControl(new GLargeMapControl());
    map.addControl(new GMapTypeControl());
		map.enableScrollWheelZoom();
		var lat = map.getCenter().lat();
		var lon = map.getCenter().lng();
		var host = 'http://' + location.hostname;
		placeMarkers(map);

var date = new Date();
var timestamp = date.getTime();	

//terein		
		var geoXml = new GGeoXml(host+"/tereinen.kml?timestamp="+timestamp);
		map.addOverlay(geoXml);
//kavels	
		var geoXml = new GGeoXml(host+"/kavels2.kml?timestamp="+timestamp);
		map.addOverlay(geoXml);







//       map.openInfoWindow(new GLatLng(51.38664007254337,6.13201313325041),
  //              document.createTextNode("Te koop staande kavel."));
//window.setTimeout(function() {
//map.panTo(new GLatLng(37.4419, -122.1480));
//}, 5000);
}
}