jQuery local select sort alphabetically

function sortUlozenkaSelect()
{
function localeCompareSupportsLocales() {
  try {
    'foo'.localeCompare('bar', 'i');
  } catch (e) {
    return e.name === 'RangeError';
  }
  return false;
}
var localParamSupport = localeCompareSupportsLocales();
var options = $("select[name='specify_3'] option").not(':first');                    // Collect options
options.detach().sort(function(a,b) {               // Detach from select, then Sort
    var at = $(a).text();
    var bt = $(b).text();         
    return localParamSupport ? at.localeCompare(bt,"cs"): at.localeCompare(bt);
});
options.appendTo("select[name='specify_3']");
}

sortUlozenkaSelect();