function OnlyNumbers(evt)
{
    evt = (evt) ? evt : window.event;
    var charCode = (evt.which) ? evt.which : evt.keyCode;

    if (charCode > 31 && (charCode < 48 || charCode > 57)) 
        return false;
    else
        return true;
}

function GetStatus(uri, id) {
    $.ajax({
        url: uri + "AJAXPort.ashx?o=getstatus&id=" + id,
        cache: false,
        success: function(statusid) {
            if (statusid == "2") {
                PostPage();
            }
        }
    });
}

function CalculaTotal(uri, id, pid, qtd) {
    $.ajax({
        url: uri + "AJAXPort.ashx?o=calculatotal&id=" + id + "&pid=" + pid + "&qtd=" + qtd,
        cache: false,
        success: function(result) {
            var values = result.split("|");
            UpdateTotal(values[0], values[1]);
        }
    });
}