var map;
var gdir;
var geocoder = null;
var addressMarker;
var lat = 47.20598354349039;
var lng = -1.5610456466674805;

function load() {
	//toggle($('plan'));
	if (!GBrowserIsCompatible()) {
		return false;
	}
	var map = new GMap2($('map'));
	map.addControl(new GLargeMapControl());
	map.addControl(new GMapTypeControl ());
	gdir = new GDirections(map, $("directions"));
	
	setDirections('Paris');
			
	GEvent.addListener(gdir, "load", onGDirectionsLoad);
	GEvent.addListener(gdir, "error", handleErrors);
}

function setDirections(fromAddress) {
	$('plan').style.display = 'block';
	var url = "from: " + fromAddress + " to: "+lat+", "+lng;
	gdir.load(url);
}

function handleErrors(){
	switch(gdir.getStatus().code) {
		case 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);
		break;
		case 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);
		break;
		case 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);
		break;
		case 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);
		break;
		case G_GEO_BAD_REQUEST:
			alert("A directions request could not be successfully parsed.\n Error code: " + gdir.getStatus().code);
		break;
		default :
			alert("Vous devez spécifier une adresse de départ");
		break;
	
	}
}

function onGDirectionsLoad(){ 
	this.getPolyline().color = "#fe0002";
	this.getPolyline().opacity = 1;
	this.getPolyline().weight = 2;
}

addEvent(window, 'load', load);
addEvent(window, 'unload', GUnload);