gistfile1.js

var map = function() {
    for (var i in this.v) {
        var yes = (this.v[i].v > 0) ? 1 : 0;
        var no = (this.v[i].v < 0) ? 1 : 0;

        var key = {themeID: this.v[i].t}
        var value = { yes: yes, no: no };
        emit(key, value);
    }
}

var reduce = function(key, values) {
    var votes_list = {yes: 0, no: 0}
    for (var i in values) {
        votes_list.yes += values[i].yes;
        votes_list.no += values[i].no;
    }
    return votes_list;
}