var isset = false;
var gdir;
var point;
function LoadMap()
{
    
    if (GBrowserIsCompatible() && !isset)
	{	var map = new GMap2(document.getElementById("map_canvas"));
		map.setCenter(new GLatLng(47.561614, 9.108755), 16, G_NORMAL_MAP);
		var customUI = map.getDefaultUI();
		map.setUI(customUI);
 		map.enableGoogleBar();
		
		gdir = new GDirections(map, document.getElementById("directions"));
		setWayRailRoad("47.565832, 9.106332" ,"Sangenstrasse 12, Weinfelden", "de");
		GEvent.addListener(gdir, "error", handleErrors);
		
		isset = true;
	}
}
function setDirections(fromAddress, toAddress, locale) {
      
    if ( fromAddress.indexOf("Weinfelden") > -1 || fromAddress.indexOf("weinfelden") > -1 || fromAddress.indexOf("8570") >  -1)
    {
	setWayRailRoad(fromAddress, toAddress, locale);
	
	
    }
    else
    {
	gdir.loadFromWaypoints([fromAddress, "Wilerstrasse 24, Weinfelden", toAddress],{"locale": locale} )
	
    }

}


function setRailstation(locale) {
    setWayRailRoad("47.565832, 9.106332" ,"Sangenstrasse 12, Weinfelden", locale); 
}
function setWayRailRoad(fromAddress, toAddress, locale)
{
      gdir.load("from: " + fromAddress + " to: " + toAddress, { "locale": locale });

}

function handleErrors(){
	   if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
	     alert("Keine zutreffende Adresse gefunden.\n Dies kann passieren, wenn die Adresse falsch eingetragen wurde, oder relativ neu ist.\nError code: " + gdir.getStatus().code);
	   else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
	     alert("Route konnte nicht berechnet werden.\n Grund unbekannt.\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_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("Unbekannter Fehler");
	   
	}