<button onclick="start()">START</button>

function start() {
               $.ajax({
                    url: url + value,
                    type: 'GET',
                    async: true,
                    success: function(result) {
                        if (result.match("success")) {
                            removeline();
                            live(result);
                        }else {
                            removeline();
                            dead(result);
                        }
                    }
                });
            }, 2000 * index);
}