for (var i = 0; i < results.length; i++) {
	pois[i] = {};
	pois[i].gdistance = new GDirections(null, null);
	pois[i].gdistance..load("from: New Delhi to: Chennai", {getPolyline: true, getSteps: true, travelMode: G_TRAVEL_MODE_WALKING});
	GEvent.addListener(pois[i].gdistance, "load", function() {
		alert(pois[i].gdistance.getDistance().meters);
        });
}