function initialize() {
	if (GBrowserIsCompatible()) {
		var map = new GMap2(document.getElementById("map_canvas"));
			//var center = new GLatLng(52.48724,4.8118119999999998);
			var center = new GLatLng(52.6153773,4.7600904);
			map.setCenter(center, 13);
			
        	var mapTypeControl = new GMapTypeControl();
        	var topRight = new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(10,10));
        	map.addControl(mapTypeControl, topRight);
        	GEvent.addListener(map, "dblclick", function() {
        	  map.removeControl(mapTypeControl);
        	});
        	map.addControl(new GSmallMapControl());			
			
			var marker = new GMarker(center);
			GEvent.addListener(marker,"click", function() {
        		var myHtml = "<strong>Pieter Haverkamp Bedrijfsmakelaardij bv</strong><br />Robijnstraat 2<br />1812 RB Alkmaar<br /><br />T 072 540 40 30<br />F 072 540 43 57<br />E info@pieterhaverkamp.nl<br /><br />";
        		map.openInfoWindowHtml(center, myHtml);
      			});
			
			map.addOverlay(marker);
			//map.openInfoWindow(map.getCenter(),document.createTextNode("Hello, world"));
			
	}
}