var map;
var gdir;
var geocoder = null;
var addressMarker;
var simpleAddress = '';
var lastCallFrom

function initialize() 
{
      if (GBrowserIsCompatible()) 
      {      
        map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(52.094440, 5.119660), 7);
        map.addControl(new GSmallMapControl());
        map.addControl(new GMapTypeControl());
	    map.addControl(new GOverviewMapControl());
        gdir = new GDirections(map, document.getElementById("directions"));
        GEvent.addListener(gdir, "load", onGDirectionsLoad);
        GEvent.addListener(gdir, "error", handleErrors);
      }
}


function GetRoute(from, to, secondOption)
{
	simpleAddress = secondOption
    //alert(from + ' - ' + to);
    setDirections(from, to, "NL");
}
    
function setDirections(fromAddress, toAddress, localeString) 
{
	lastCallFrom = fromAddress
	//alert(toAddress)
	gdir.load("from: " + fromAddress + ", Nederland to: " + toAddress, { locale: localeString });
}
    
function handleErrors()
{
	if (simpleAddress)
	{
		setDirections(lastCallFrom, simpleAddress, "NL");
		simpleAddress = null
		return
	}
	if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
		alert("Het adres kan niet worden gevonden.\nHet adres is relatief nieuw, of niet juist.\nFoutmelding: " + gdir.getStatus().code);
	else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
		alert("De routebeschrijving kan door onbekende reden niet worden opgehaald.\n Foutmelding: " + 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("Er is een onbekende fout opgetreden.");
   
}

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...
}