var url = "http://graphhopper.com/routing/api/route?vehicle=bike&locale=en";
for (var i = 0; i < points.length; i++) {
var pair = points[i].join(',');
url += "&point=" + pair;
}
var url = "http://graphhopper.com/routing/api/route?vehicle=bike&locale=en";
for (var i = 0; i < points.length; i++) {
var pair = points[i].join(',');
url += "&point=" + pair;
}