function load_banner(div_id, timeout, grp_id)
{
    var req = new JsHttpRequest();
    req.onreadystatechange = function()
    {
        if (req.readyState == 4) {
            document.getElementById(div_id).innerHTML = req.responseJS.html;
        }
    }
    req.open(null, '/myban/show_by_request.php', true);
    req.send( {grp: grp_id} );
    window.setTimeout("load_banner('"+ div_id +"', "+ timeout +", "+ grp_id +")", timeout);
}