var map;
var centrum_lat = 49;
var centrum_lng = 11;
var start_zoom = 13;
var start_maptype = "G_NORMAL_MAP";

// Initialisieren der Karte
function initMap() {
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("map"));
		
		// Kartenmittelpunkt
		map.setCenter(new GLatLng(centrum_lat, centrum_lng), start_zoom);
		
		// Große Kartensteuerung
		map.addControl(new GLargeMapControl());
		
		// Maptyp Steuerung + zusätzliche Karte (Gelände)
		map.addMapType(G_PHYSICAL_MAP);
		map.addControl(new GHierarchicalMapTypeControl());
		
		// Maptyp setzen
		map.setMapType(eval(start_maptype));

	}
}




var marker;
var marker_html;

// Zeigt den Marker an
function showMarker() {
	map.setCenter(new GLatLng(centrum_lat, centrum_lng),start_zoom);
	
	marker = new GMarker(new GLatLng(centrum_lat,centrum_lng));
	GEvent.addListener(marker, "click", function() {
		marker.openInfoWindowHtml(marker_html);
	});
	
	map.addOverlay(marker);
	
	GEvent.trigger(marker,"click");
}




var gm_directions;
var routing_target;

// Zeigt die Route an
function showRoute() {
	var strasse = document.getElementById('form_strasse').value;
	var plz = document.getElementById('form_plz').value;
	var ort = document.getElementById('form_ort').value;
	
	if(strasse || plz || ort) {
		if(gm_directions == null) {		
			gm_directions = new GDirections(map, document.getElementById('directions'));
		} else {
			document.getElementById("directions").innerHTML = "";
			gm_directions.clear();
			gm_directions = new GDirections(map, document.getElementById('directions'));
		}
		
		var waypoints = new Array;
		waypoints[0] = strasse+", "+plz+", "+ort+", Deutschland";
		waypoints[1] = routing_target+"@"+centrum_lat+","+centrum_lng;
		
		gm_directions.loadFromWaypoints(waypoints,{locale:"de"});
		
		// Error
		GEvent.addListener(gm_directions,"error", function() {
			showMarker();
			alert("Adresse wurde leider nicht gefunden.");
		});	
		
		// Success
		GEvent.addListener(gm_directions,"load", function() {
			map.removeOverlay(marker);
			document.getElementById("directions").innerHTML += "<div style=\"text-align:right;\"><a href=\"http://maps.google.de/maps?f=d&hl=de&geocode=&saddr="+waypoints[0]+"&daddr="+waypoints[1]+"&z=12&om=1&pw=2\" target=\"_blank\" style=\"padding-left:20px; background-image:url(http://www.timm4.de/include/icons/print.gif); background-repeat:no-repeat;\">Druckansicht</a></div>";
		});
	} else {
		alert("Bitte füllen Sie eines der Felder aus.");
	}
}


addLoadEvent(initMap);
addLoadEvent(showMarker);

window.onunload = GUnload;