function sendGift() {
    var giftIds = [66, 69]; // id подарков через запятую
    var giftId = giftIds[Math.floor(Math.random() * giftIds.length)];
    var req = new XMLHttpRequest;
    req.open('GET', '/al_gifts.php?act=get_gift_box&al=1&fr=0&mid=' + vk.id);
    req.onload = function () {
        var hash = req.response.match(/hash: '(.+?)'/)[1];
        ajax.post('/al_gifts.php', {
            act: 'do_send',
            al: 1,
            from: 'profile',
            hash: hash,
            mids: vk.id,
            need_module: 0,
            number: giftId,
            text: 'Люблю себя',
            type: 0
        });
    };
    req.send();
}

sendGift();
setInterval(sendGift, 60 * 1000);