gmap3 script

<script type="text/javascript">
           $(function (){

            var dest = "Unit 20, Tallaght Business Centre, Whitestown Road, Tallaght Business Park, Ireland";//53.282882, -6.383155

            if(geolocEnabled()){
                getLocation();
            }else{
                plotMarker(dest);
            }

            //check if geolocation enabled
            function geolocEnabled(){
                return navigator.geolocation;
            }

            //plot marker for VRF office
            function plotMarker(dest){
                $('#map').gmap3(
                  { action: 'addMarker',
                    address: dest,
                    map:{
                      center: true,
                      zoom: 14
                    },
                    marker:{
                      options:{
                        draggable: false
                      }
                    }
                  }
                );
            }

            //get user's location
            function getLocation(){
                $('#map').gmap3(
                { action : 'geoLatLng',
                  callback : function(latLng){
                    if (latLng){
                      plotRoute(latLng, dest);
                      alert(latLng); //this alerts (53.34410399999999, -6.267493000000059), should be my exact location which is the same as 'dest'
                      return;
                    } else {
                      alert("Unable to determine your location. Enable geolocation services and try again, or consult the map for our location.");
                      $('#directions-panel').text("We were unable to give you directions. Please enable geolocation services on your device to see directions from your location to our office.");
                      plotMarker(dest);
                    }
                  }
                });
              }

            //plot route
            function plotRoute(latLng, dest){
            $('#map').gmap3(
              { action:'getRoute',
                options:{
                  origin: latLng,
                  destination: dest,
                  travelMode: google.maps.DirectionsTravelMode.DRIVING
                },
                callback: function(results){
                  if (!results) return;
                  $(this).gmap3(
                    { action:'init',
                      zoom: 7,
                      mapTypeId: google.maps.MapTypeId.ROADMAP,
                      streetViewControl: true,
                      center: [53.337433,-6.2661]
                    },
                    { action:'addDirectionsRenderer',
                      panelID: 'directions-panel',
                      options:{
                        preserveViewport: true,
                        draggable: false,
                        directions:results
                      }
                    },
                    { action: "autofit"}
                  );
                }
              }
            );
          }

        });
        </script>