//indicate which version of google map 

var gdir, fromAddress, toAddress;  

/*
**
* Bootstrap function to setup map and apply
* custom company marker
*/
function initializeGoogleMap() {
  if (GBrowserIsCompatible()) {
    //settings
	var companyMarkerImage= "../images/OutlookMarker.png";
    var companyLatLng     = new GLatLng(52.2493, -0.8223);
    var companyMarkerSize = new GSize(55, 52); //width, height
    
    toAddress = "Little Billing, Northampton, NN39AG";

    var defaultZoomLevel  = 14;
    //end settings

    //setup elements
    map   = new GMap2(document.getElementById("map_canvas"));
	map.enableGoogleBar();
	var mapControl = new GMapTypeControl();
	map.addControl(mapControl);
	map.addControl(new GLargeMapControl());
	
    gdir  = new GDirections(map, document.getElementById("directions"));

    //error handler
    GEvent.addListener(gdir, "error", handleErrors);

    //set company marker
    var companyMarker = createMarker(companyLatLng, companyMarkerImage, companyMarkerSize);

    //set map center
    map.setCenter(companyLatLng, defaultZoomLevel);
    map.addOverlay(companyMarker);
  }
}

   

/*
**
* Wrapper function to create/return a marker object
* with custom image
*/
function createMarker(latlng, imageURL, imageSize){
   // var marker      = new GIcon(G_DEFAULT_ICON, imageURL);
   var marker      = new GIcon(G_DEFAULT_ICON);
    //marker.iconSize = imageSize;

    return new GMarker(latlng, { icon: marker });
}

/*
**
* Looks up the directions, overlays route on map,
* and prints turn-by-turn to #directions.
*/
function overlayDirections() {
    fromAddress = document.getElementById("Postcode").value;
    if (fromAddress == "") {
        alert("Please enter your postcode");
        return false;
    }
    
    
     /* document.getElementById("street").value
      + " " + document.getElementById("city").value*/
      /*+ " " + document.getElementById("state").options[document.getElementById("state").selectedIndex].value*/
      /*+ " " + */
	
    /*gdir.load("from: " + fromAddress + " to: " + toAddress, "en_GB");*/
	window.open ("http://www.outlookdigital.co.uk/Directions.aspx?from="+fromAddress,"mywindow");
}

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_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.");
}