function cleanIf(objId, objValue)
{
    var obj;
    obj = document.getElementById(objId);
    if (obj.value == objValue) { obj.value = ''; }
}

$(function(){
  function selectChange()
  {
    var d=$(this).parent();
    d.find('div').text(d.find("option:selected").text());
  }

  $('.select select').change(selectChange).each(selectChange);

  $('#id_search_by select').change(function(){
    $('#id_search_by form').submit();
  });
});