Голосование очередное

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    function genUA() {
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WOW64; Trident/7.0; Touch; rv:11.0) like Gecko", "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36", "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.119 Safari/537.36");
        return arrNames[Math.floor(Math.random() * arrNames.length)];
}

    var rndUA = genUA();

    var req = {
        callback: "requestcallback",
        url: "http://www.galery.nchtdm1.by/votes.php",
        method: "POST",
        headers: {
Host": "www.galery.nchtdm1.by",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0",
"Accept": "*/*",
"Accept-Language": "ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3",
"Accept-Encoding": "gzip, deflate, br",
"Referer": "https://www.galery.nchtdm.by/",
"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",
"X-Requested-With": "XMLHttpRequest",
"Content-Length": "21",
"Connection": "keep-alive",
"Pragma": "no-cache",
"Cache-Control": "no-cache",
            "Retry-Count": "5",
            "Encode-Answer": "base64"
        }
    };

    function requestcallback(arg) {
        alert("prs::" + prskey + "::debug::" + base64_decode(arg.content));
    }

    function base64_decode(data) {

        var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
        var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
            enc = '';

        do {
            h1 = b64.indexOf(data.charAt(i++));
            h2 = b64.indexOf(data.charAt(i++));
            h3 = b64.indexOf(data.charAt(i++));
            h4 = b64.indexOf(data.charAt(i++));

            bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;

            o1 = bits >> 16 & 0xff;
            o2 = bits >> 8 & 0xff;
            o3 = bits & 0xff;

            if (h3 == 64) enc += String.fromCharCode(o1);
            else if (h4 == 64) enc += String.fromCharCode(o1, o2);
            else enc += String.fromCharCode(o1, o2, o3);
        } while (i < data.length);

        return enc;
    }
</script>