Vote with Bitcoin in Javascript - Proof of Concept

<div id="bitvote">
        <script>
        var question = "Who is crazier, Nicki Minaj or Taylor Swift?";
        var addpos = "13UUaxcfGVUAbNcK93PGnbwf3TLaYSymMS";
        var addneg = "1Ci9SsaX5TUsmNhY34G49k1phqa8kCnKH2";
        var addsnark = "1CxSMffZ4x7rP1SrpPqTZ4EMhHWX7QG2CE";
        document.write("<hr><h3>Question: " + question + "</h3>");

        var xmlHttp = new XMLHttpRequest();
        xmlHttp.open( "GET", "https://blockchain.info/q/getreceivedbyaddress/" + addpos, false );
        xmlHttp.send( null );
        document.write("Vote for Taylor Swift by sending Bitcoin to:<br><font size=2>" + addpos + "</font><br>");
        document.write("<img src='https://blockchain.info/qr?data=" + addpos + "&size=100'><br>");
        document.write("Satoshi Votes: ");
        document.write(Number(xmlHttp.responseText).toLocaleString());
        document.write("<br><br>");

        var xmlHttp = new XMLHttpRequest();
        xmlHttp.open( "GET", "https://blockchain.info/q/getreceivedbyaddress/" + addneg, false );
        xmlHttp.send( null );
        document.write("Vote Nicki Minaj by sending Bitcoin to:<br><font size=2>" + addneg + "</font><br>");
        document.write("<img src='https://blockchain.info/qr?data=" + addneg + "&size=100'><br>");
        document.write("Satoshi Votes: ");
        document.write(Number(xmlHttp.responseText).toLocaleString());
        document.write("<br><br>");

        var xmlHttp = new XMLHttpRequest();
        xmlHttp.open( "GET", "https://blockchain.info/q/getreceivedbyaddress/" + addsnark, false );
        xmlHttp.send( null );
        document.write("I'll Bitvote you!:<br><font size=2>" + addsnark + "</font><br>");
        document.write("<img src='https://blockchain.info/qr?data=" + addsnark + "&size=100'><br>");
        document.write("Satoshi Votes: ");
        document.write(Number(xmlHttp.responseText).toLocaleString());
        document.write("<br><br>");
        </script>
</div>