var map;
var gdir;
var geocoder = null;
var addressMarker;

var address = "Ostwennemarstraße 100, 59071 Hamm";

function initialize() {
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("map_canvas"));
		gdir = new GDirections(map, document.getElementById("directions"));
		GEvent.addListener(gdir, "load", onGDirectionsLoad);
		GEvent.addListener(gdir, "error", handleErrors);
		setDirections("Hamm", address, "de");
	}
}

function setDirections(fromAddress) {
	document.getElementById('directions').innerHTML = '';
	gdir.load("from: " + fromAddress + " to: " + address);
}

function handleErrors() {
	if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS) {
		processError("Es wurde kein passender Ort für ihre Eingabe gefunden! Das kann daran liegen, " +
				"dass der Ort noch zu neu ist, oder ihre Eingabe zu ungenau oder falsch war. Geben Sie z.B. " +
				"lieber <i>Berlin, Deutschland</i>, statt nur <i>Berlin</i> ein.");
	}
	else {
		processError("Es ist ein Server-Fehler aufgetreten! Bitte versuchen Sie es später noch einmal!");
	}
	/*else if (gdir.getStatus().code == G_GEO_SERVER_ERROR) {
		processError("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) {
		processError("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) {
		processError("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) {
		processError("A directions request could not be successfully parsed.\n Error code: "
				+ gdir.getStatus().code);
	}

	else {
		processError("An unknown error occurred.");
	}*/

}

function processError(message) {
	document.getElementById('directions').innerHTML = '<h3>Fehler</h3><p>' + message + '</p>';
}

function onGDirectionsLoad() {
	// Use this function to access information about the latest load()
	// results.

	// e.g.
	// document.getElementById("getStatus").innerHTML = gdir.getStatus().code;
	// and yada yada yada...
}