//Google-Maps installieren
function initialize() {
	if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("google_maps_karte"));
        map.setCenter(new GLatLng(51.43849, 6.53221), 15);
		map.setMapType(G_NORMAL_MAP);
		map.addControl(new GLargeMapControl());
		map.addControl(new GScaleControl());
		map.addControl(new GMapTypeControl());
		map.addOverlay(new GMarker(new GLatLng(51.43849, 6.53221)));
	}
}