var MeasurePeriod = {
  "low": <%= js_for_value(measure_period.low) %>,
  "high": <%= js_for_value(measure_period.high) %>
}
hqmfjs.MeasurePeriod = function(patient) {
  return [new hQuery.CodedEntry(
    {
      "start_time": MeasurePeriod.low.asDate().getTime()/1000,
      "end_time": MeasurePeriod.high.asDate().getTime()/1000,
      "codes": {}
    }
  )];
}
if (typeof effective_date === 'number') {
  MeasurePeriod.high.date = new Date(1000*effective_date);
  // add one minute before pulling off the year.  This turns 12-31-2012 23:59 into 1-1-2013 00:00 => 1-1-2012 00:00
  MeasurePeriod.low.date = new Date(1000*(effective_date+60));
  MeasurePeriod.low.date.setFullYear(MeasurePeriod.low.date.getFullYear()-1);
}