gistfile1.txt

     function doSetItem() {

         // get the lat, lon, and epoch ready for storage
         var lat = $("#lat").text()
         var lon = $("#lon").text()
         var datestamp = new Date()
         var epoch = datestamp.getTime()

         // create the JSON for the database
         var storageLocationObject = {"lat": lat, "lon": lon}

         localStorage.setItem(epoch, storageLocationObject) 
     }