if(textval=='' || titleval=='')
                    {
                    alert("You can't submit an empty title or post!");
                    }

                else
                    {
                        $.ajax({
                            type: "POST",
                            url: "new_topic.php",
                            data: "newposttext=" + textval + "&titletext=" + titleval,
                            cache: false,
                            success: GetJSON()
                        });
                         $('#newposttb').fadeOut('slow');

                } return false;
                });