function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1) + min);
}
var random_tm1 = getRandomInt(3000, 4000);
var random_tm2 = getRandomInt(4000, 5000);
var random_tm3 = getRandomInt(6000, 9000);
var random_tm4 = getRandomInt(9000, 10000);
var random_tm5 = getRandomInt(10000, 13000);
var random_tm6 = getRandomInt(13000, 16000);
var random_tm7 = getRandomInt(16000, 18000);
var random_tm8 = getRandomInt(18000, 20000);

function clickerf() {
    var element = document.getElementById("btd");
    if ("click" in element) {
        element.click();
    } else if ("dispatchEvent" in element) {
        var evt = document.createEvent("MouseEvents");
        evt.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
        element.dispatchEvent(evt);
    }
}
setTimeout(clickerf, random_tm1);
setTimeout(clickerf, random_tm2);
setTimeout(clickerf, random_tm3);
setTimeout(clickerf, random_tm4);
setTimeout(clickerf, random_tm5);
setTimeout(clickerf, random_tm6);
setTimeout(clickerf, random_tm7);
setTimeout(clickerf, random_tm8);