var map;

function map_openen()
{
	if(GBrowserIsCompatible())
	{
		map = new GMap2(document.getElementById("map"));
		map.setCenter(new GLatLng(52.01869, 5.042004), 8);
	}
}

function berekenen()
{
	if(GBrowserIsCompatible())
	{
		var taal = "nl_nl";
		var start = "3404EL,Nederland";
		var van = document.maps.van.value + ",Nederland";
		var naar = document.maps.naar.value + ",Nederland";
		gdir = new GDirections(map);
		GEvent.addListener(gdir, "load", onGDirectionsLoad);
		gdir.load("from: "+start+" to: "+van+" to: "+naar+" to: "+start, { "locale": taal });
	}
}

function onGDirectionsLoad()
{
	var km = gdir.getDistance().meters / 1000;
	km = Math.round(km);
	var prijs = km * 0.45;
	if(prijs < 15)
	{
		prijs = 15
	}
	document.getElementById("afstand").innerHTML =
	"<b>De afstand van deze rit is "+km+" Km<br />De prijs bedraagt "+prijs.toFixed(2)+" Euro</b><br /><br />";
}