function isLogged(redirect)
{
   var url = BASE_URL + 'login/islogged/';
    new Ajax.Request(url,{method:'get'
		                 ,onSuccess:function priceSucceeded(t)
		                            {
		                                var res = t.responseText;
		                                if (res == 0 && redirect)
		                                      window.location= BASE_URL;
		                                return res;
		                            }
		                 }
		            );
}

function getListOrder(id)
{
    var order = Sortable.serialize(id);
    order = order.split('&');

    var  order_str = '';
    var item;
    for (var i = 0; i < order.length; i++)
    {
        item = order[i];
        if (i != 0)
            order_str += '-';
        item = item.split('=');
        order_str += item[1];
    }
    return order_str;
}