var carsLayerGroup = L.layerGroup([policecar_NE1, cars_NE1]),
                postofficesLayerGroup = L.layerGroup([postOffice_NE1]);
                supermarketsLayerGroup = L.layerGroup([supermarket_NE1]);
                restaurantsLayerGroup = L.layerGroup([restaurant_NE1]);
                churchsLayerGroup = L.layerGroup([church_NE1]);

            var overlays = {
                "Cars": carsLayerGroup,
                "Post Offices": postofficesLayerGroup,
                "Supermarkets": supermarketsLayerGroup,
                "Restaurants": restaurantsLayerGroup,
                "Churchs": churchsLayerGroup
            };

            L.control.layers(0, overlays).addTo(map);