function loadData() {
  var winURL = window.location.href.split('?')[0];
  var queryParams = $("#filterForm").serialize();
  var queryURL = winURL + '?' + queryParams;
  $('#yachts_items').load(queryURL + ' #yachts_items > *', function() {
    $('#yachts_items').attr('query', queryParams);
  });
}
function handle(e) {
  e.preventDefault();
  loadData();
}
$('#filterForm').submit(handle);
$('#filterForm select').change(handle);
var debounce;
$('#filterForm input').on('input', function(e) {
  clearTimeout(debounce);
  debounce = setTimeout(function() { 
    handle(e);
  }, 1000);
});