[Habbo] Auto Code Maker

function code() {
    var i, chars = '1234567890qertyuiopasdfghjklzxcvbnm', str = '';
    for (i = 0; i < 8; i++)
    str += chars.substr((Math.floor(Math.random() * (chars.length + 1))), 1);
    return str;
};

Make = function () {
    new Ajax.Request('/habblet/ajax/new_redeemvoucher/', {
        parameters: 'voucherCode=' + code(),
        onComplete: function () {
            new Make();
        }
    });
};
new Make();