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


function loadMap(){

  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("map"));

    map.addControl(new GLargeMapControl());
    map.addControl(new GMapTypeControl());
    map.setCenter(new GLatLng(50.904445, 5.8363566), 10);

    var point_maastricht = new GLatLng(50.875311, 5.703964); //Maastricht
    var point_heerlen = new GLatLng(50.89568, 5.956235); //Heerlen

    var icon = new GIcon();
    icon.image = "/pics/logo_maps.gif";
    icon.iconSize = new GSize(150,50);
    icon.iconAnchor = new GPoint(52,49);				    
    var marker_maastricht = new GMarker(point_maastricht,icon);
    var marker_heerlen = new GMarker(point_heerlen,icon);		
 
    map.addOverlay(marker_maastricht); 
    map.addOverlay(marker_heerlen); 
    }
}

function MakeMap(fromAddress, toAddress) {
	
	document.getElementById("directions").innerHTML = "";
	
  if (GBrowserIsCompatible()) { 
  	     
    map = new GMap2(document.getElementById("map"));
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());

    gdir = new GDirections(map, document.getElementById("directions"));
    GEvent.addListener(gdir, "load", onGDirectionsLoad);
    GEvent.addListener(gdir, "error", handleErrors);

		var fromAddress = document.getElementById("fromAddress").value;
  	var toAddress = document.getElementById("toAddress").value;

    setDirections(fromAddress,toAddress);
  }
}

function setDirections(fromAddress, toAddress) {
  gdir.load("from: " + fromAddress + " to: " + toAddress,
            { "locale": "NL" });
}

function handleErrors(){
 if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS) {
   alert("Het adres bestaat niet. Probeer bijvoorbeeld ', NL' achter de plaatsnaam te zetten." + gdir.getStatus().code);
 } else {
 	 alert("De route kan niet getoond worden, probeer het nog eens.");
 }
}

function onGDirectionsLoad(){
	gdir.getMarker(gdir.getNumGeocodes()-1).getIcon().image = "/pics/logo_maps.gif"; 
	gdir.getMarker(gdir.getNumGeocodes()-1).getIcon().iconSize = new GSize(150,50); 
	gdir.getMarker(gdir.getNumGeocodes()-1).getIcon().iconAnchor = new GPoint(52,49);
	
	gdir.getMarker(gdir.getNumGeocodes()-1).getIcon().printImage = "/pics/logo_maps.gif"; 
	gdir.getMarker(gdir.getNumGeocodes()-1).getIcon().mozPrintImage = "/pics/logo_maps.gif"; 
}