== Inline Script Block
Line: 22
----
<script defer="true">
        var stamp = new Date().getTime();
        function checkGraphUpdate() {
            fetch("${action.urlName}/checkUpdates", {
                method: 'POST',
                headers: crumb.wrap({
                    'Content-Type': 'application/x-www-form-urlencoded'
                }),
                body: new URLSearchParams({
                    stamp: stamp,
                })
            }).then(function(rsp) {
                if (rsp.ok) {
                    var update = rsp.headers.get('go');
                    if(update == "go") {
                        stamp = new Date().getTime();
                        var image = document.getElementById('nvsGraph');
                        if(image.complete) {
                            var new_image = new Image();
                            new_image.id = "nvsGraph";
                            new_image.src = image.src + "?v=" + stamp;
                            // insert new image and remove old
                            image.parentNode.insertBefore(new_image,image);
                            image.parentNode.removeChild(image);
                        }
                    }
                    // next update in 10 sec
                    window.setTimeout(checkGraphUpdate, 10000);
                }
            });
        }
        window.setTimeout(checkGraphUpdate, 15000);
    </script>
----