var map;
var leasearea;
var overlaykono; 
var historicalmining;
var satmap2004;
var drainage;
var togglestate;

function initialize() {
  if (GBrowserIsCompatible()) {
	//geoXml = new GGeoXml("http://mapgadgets.googlepages.com/cta.kml");
	leasearea = new GGeoXml("http://www.koiduholdings.com/gmaps/leasearea.kml");
	overlaykono = new GGeoXml("http://www.koiduholdings.com/gmaps/overlaykono.kml");
	historicalmining = new GGeoXml("http://www.koiduholdings.com/gmaps/historicalmining.kml");
	satmap2004 = new GGeoXml("http://www.koiduholdings.com/gmaps/satmap2004.kml");
	drainage = new GGeoXml("http://www.koiduholdings.com/gmaps/drainage.kml");
	map = new GMap2(document.getElementById("map_canvas"));
	map.setCenter(new GLatLng(8.629903,-10.97002), 14);
	map.addControl(new GSmallMapControl());
	//map.addControl(new GLargeMapControl());
	map.setMapType(G_SATELLITE_MAP);
	var mapTypeControl = new GMapTypeControl();
	var topRight = new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(10,10));
	map.addControl(mapTypeControl, topRight);
	map.addOverlay(leasearea);
	//map.addOverlay(overlaykono);
	//map.addOverlay(historicalmining);
	//map.addOverlay(satmap2004);
	//map.addOverlay(drainage);
	map.enableScrollWheelZoom();
  }
} 
function togglekml(overlay,togglestate){
  if (togglestate==1){
	map.removeOverlay(overlay);
  }else{
	map.addOverlay(overlay);
  }
}
window.onload=function(){
	initialize();
}