function banks_update() {
    $('index_banks_loading').show();
    
    new Ajax.Request('ajax.php',
      { method: 'post',
        parameters: { section: 'index_banks' },
        onComplete: function (r) {
            $('index_banks').innerHTML = r.responseText;
            $('index_banks_loading').hide();
        }
      }
    );    
    //return false;
}