function hideSearch(){
   $('#search_block').hide();
}

function showSearch(){
   $('#search_block').show();
}

$(function(){
    hideSearch();

   var advice_type   = $('#config_advicetype');

   advice_type.change(function(){
       hideSearch();
      var advice_type_id = advice_type.val();
      if(parseInt(advice_type_id)){
        $.post(base_url + '/ajax/advice/getSimpleSearchAttributes', {advice_type_id: advice_type_id}, function(data){
            $('#search_block').html(data);
            showSearch();
            addPlaceholders();
        });
      }
   });

});