var map, marker, gdir;
initLoader();

function mapsLoaded() {
	map = new google.maps.Map2(document.getElementById("map"));
	map.addMapType(G_NORMAL_MAP);
	map.addControl(new GHierarchicalMapTypeControl());
	map.addControl(new GSmallMapControl());
	map.setCenter(new GLatLng(53.236211,10.785205),14);

	var baseIcon = new GIcon();
	baseIcon.iconSize = new GSize(34, 34);
	baseIcon.iconAnchor = new GPoint(17, 34);
	baseIcon.infoWindowAnchor = new GPoint(34, 2);

	var witteIcon = new GIcon(baseIcon);
	witteIcon.image = '/we_images/icon/google_marker_nl.png';

	var markerOptions = {title:'Horst Witte Gerätebau Barskamp KG',icon:witteIcon};
	marker = new GMarker(new GLatLng(53.236211,10.785205), markerOptions);

	map.addOverlay(marker);

	// Wenn die Adresse per URL übergeben wurde...
	gdir = new GDirections(map, document.getElementById("directions"));
	var a = location.search.substr(1).split('&');
	var addr = "";
	for (var i=0; i<a.length; i++) {
		var tmp = a[i].split('=');
		if (tmp[0] == 'addr') addr = decodeURI(tmp[1]);
	}
	setDirections(addr);
	GEvent.addListener(gdir, "error", handleErrors);
}

function loadMaps() {
	google.load("maps", "2.x", {"callback" : mapsLoaded});
}

function initLoader() {
	var script = document.createElement("script");
	script.src = "http://www.google.com/jsapi?key=ABQIAAAAJl8r4JrcAvfECvE-cdRWPxTnMIw7L2r5HDKlkae3kbjHW0f7WRTlIsXXVx6PF_-McWt747DljW3-IQ&callback=loadMaps";
	script.type = "text/javascript";
	document.getElementsByTagName("head")[0].appendChild(script);
}

/**
 * Fehler bei Adressen-Kodieren behandeln
 */
function handleErrors() {
	if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
		alert("No corresponding geographic location could be found for one of the specified addresses. This may be due to the fact that the address is relatively new, or it may be incorrect.\nError code: " + gdir.getStatus().code);
	else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
		alert("A geocoding or directions request could not be successfully processed, yet the exact reason for the failure is not known.\n Error code: " + gdir.getStatus().code);
	else if (gdir.getStatus().code == G_GEO_MISSING_QUERY)
		alert("The HTTP q parameter was either missing or had no value. For geocoder requests, this means that an empty address was specified as input. For directions requests, this means that no query was specified in the input.\n Error code: " + gdir.getStatus().code);
	//else if (gdir.getStatus().code == G_UNAVAILABLE_ADDRESS)  <--- Doc bug... this is either not defined, or Doc is wrong
		//alert("The geocode for the given address or the route for the given directions query cannot be returned due to legal or contractual reasons.\n Error code: " + gdir.getStatus().code);
	else if (gdir.getStatus().code == G_GEO_BAD_KEY)
		alert("The given key is either invalid or does not match the domain for which it was given. \n Error code: " + gdir.getStatus().code);
	else if (gdir.getStatus().code == G_GEO_BAD_REQUEST)
		alert("A directions request could not be successfully parsed.\n Error code: " + gdir.getStatus().code);
	else alert("An unknown error occurred.");
}

/**
 * From-Adress setzen
 */
function setDirections(fromAddress) {
	if(fromAddress != '')
	{
		marker.hide();
		gdir.load("from: " + fromAddress + " to: Horndorfer Weg 26-28, 21354 Bleckede@53.236211,10.785205", { "locale":"de_DE" });
	}
	return false;
}