function getWeather(lat, lng, id) {
    var request = GXmlHttp.create();
    request.open("GET", "/weather/weather_by_day.php?lat=" + lat + "&lon=" + lng, true);
    request.onreadystatechange = function() {
      if (request.readyState == 4) {
         var e = document.getElementById("w-" + id);
         if (e != null) {
           var html = "<div style='font-weight: bold;'>Live Weather Forecast</div>"
           html += request.responseText;
           html += "<div style='text-align:right; font-size:7pt;'>Data provided by <a target='_new' href='http://www.weather.gov'>weather.gov</a></div>";
           e.innerHTML = html;
         }
      }
    };
    request.send(null);
}