var CoordToChunk = function(latlng) {
	var x = Math.floor(((latlng.lat + 16777216) / mapinfo.chunksize) - (16777216 / mapinfo.chunksize));
	var y = Math.floor(((latlng.lng + 16777216) / mapinfo.chunksize) - (16777216 / mapinfo.chunksize));
	return L.latLng(x, y);
}

var CoordToRegion = function(latlng) {
	var x = Math.floor(((latlng.lat + 16777216) / mapinfo.regionsize) - (16777216 / mapinfo.regionsize));
	var y = Math.floor(((latlng.lng + 16777216) / mapinfo.regionsize) - (16777216 / mapinfo.regionsize));
	return L.latLng(x, y);
}

function hasPermission (modulename) {
	for (var i = 0; i < userdata.permissions.length; i++) {
		if (userdata.permissions [i].module == modulename) {
			return userdata.permissions [i].allowed;
		}
	}
	return false;
}