function buildNoutati(id)
{
    $("#center_container").empty();
    var ajax_load = "<center><img src='images/ajax-loader.gif' alt='loading...' /></center>";
    var loadUrl = 'noutati.ajax.php';
    var data = {
                    op:'display_noutate',
                    id:id
    };
    var callbackFunction = function(){
        changeName(id);
    };
    $("#center_container").html(ajax_load).load(loadUrl,data,callbackFunction);
}

function changeName(id)
{
    $.getJSON("noutati.ajax.php?op=get_name&id="+id,
            function(data){
                var nume = data.nume;
                var title = 'Noutăţi:'+nume;
                $("#cat_title").empty().html(title);
            });
}