$(document).ready(function() {
  $("#selectAirport").Watermark("(enter airport code or city)");
  // use vertical bar separated name|id
  $("#selectAirport").autocomplete('/airports/aplist.vbar', {
	width: 300,
	selectFirst: false
  });
  // return second element (airport ID)
  // in the subsequent hidden field
  $("#selectAirport").result(function(event, data, formatted) {
    if (data)
      $('#airportId').val(data[1]);
  });
  // show loading graphic
  $('#apGoButton').ajaxStart(function() {
          $(this).attr("src", "/img/sproutbox/ajax-loader.gif");
  }).ajaxStop(function() {
          $(this).attr("src", "/img/go2.png");
  });
});