gistfile1.txt

var pois = new XMLHttpRequest();
pois.open("GET","http://cycletour.org/testosrm/map.geojson",true);

pois.onreadystatechange = function() {
  if (pois.readyState === 4) {  // Makes sure the document is ready to parse.
    if (pois.status === 200) {  // Makes sure it's found the file.
      geojson = JSON.parse(pois.responseText); 
      L.geoJson(geojson, { 
        onEachFeature: function (feature, layer) { 
          layer.bindPopup(feature.properties.description); 
          } 
        }).addTo(OSRM.G.map);      
    }
  }
}
pois.send(null);