$(document).ready(function(){
    $("form").submit(function(){
        var str = $("form").serialize();
        $.ajax({
            type: "POST",
            url: "contact.php",
            data: str,
            success: function(msg){
                $("#note").ajaxComplete(function(event, request, settings){
                    $("#note").show();
                    if(msg == 'OK'){ // Message Sent? Show the 'Thank You' message and hide the form
                        result = '<span class="notification_ok">';
                        result = result + 'Your message has been sent. Thank you!';
                        result = result + ' <br />Refresh the page to send another email</span>';
                        $("#fields").hide();
                    }
                    else{
                        result = msg;
                    }
                    $(this).html(result);
                });
            }
        });
        return false;
    });
});