Java script error of Google Map correction

a quick support on javascript error need to be resolved online. One function working in chrome however same is not working on Mozila need support to run the function. Sample Code can be view on teamviewers the javascript is used in ASP.net pages and function is related to direction API of Google Map function getkm_and_distance(source, destination1) { var darection = new [login to view URL]; var directionsService = new [login to view URL]; var request = { origin: source, destination: destination1, travelMode: [login to view URL], provideRouteAlternatives: true }; [login to view URL](request, function (response, status) { if (status == [login to view URL]) { [login to view URL](response); computeTotalDistance(response); } }); function computeTotalDistance(result) { var myroute = [login to view URL][0]; if ([login to view URL] > 0) { var distance = [login to view URL][0].[login to view URL]; var dis = [login to view URL](' km', ''); if (dis > 75) { alert('this is outstation booking.'); [login to view URL] = "[login to view URL]"; } } } }