var map = null;
var gdir = null;
var latitudeToTemp = null;
var longitudeToTemp = null;
var localeTemp = null;

var reasons = [ ] ;
   reasons[G_GEO_SUCCESS]            = "Success" ;
   reasons[G_GEO_MISSING_ADDRESS]    = "Missing Address: The address was either missing or had no value." ;
   reasons[G_GEO_UNKNOWN_ADDRESS]    = "Unknown Address:  No corresponding geographic location could be found for the specified address." ;
   reasons[G_GEO_UNAVAILABLE_ADDRESS]= "Unavailable Address:  The geocode for the given address cannot be returned due to legal or contractual reasons." ;
   reasons[G_GEO_BAD_KEY]            = "Bad Key: The API key is either invalid or does not match the domain for which it was given" ;
   reasons[G_GEO_TOO_MANY_QUERIES]   = "Too Many Queries: The daily geocoding quota for this site has been exceeded." ;
   reasons[G_GEO_SERVER_ERROR]       = "Server error: The geocoding request could not be successfully processed." ;
 
 

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.");
   
}

function find (from, latitudeTo, longitudeTo, locale)
{
	latitudeToTemp = latitudeTo;
	longitudeToTemp = longitudeTo;
	localeTemp = locale;
	
	var geocoder = new GClientGeocoder();
	if (from)
		geocoder.getLocations(from, showTrip);
}

function showTrip (point)
{
	if (point.Status.code != G_GEO_SUCCESS)
		alert (reasons[point.Status.code]);
	else
	{
		if (point)
		{
			place = point.Placemark[0];
			var cor1 = place.Point.coordinates[1] + ', ' + place.Point.coordinates[0];
			var cor2 = latitudeToTemp + ', ' + longitudeToTemp;
			gdir.loadFromWaypoints([cor1,cor2]); 
		}
		else
		{
			alert('Not Found');
		}
	}
	
}