var VOTE_URL = '/movies/vote/';

function vote(object_id, choice) {
    url = VOTE_URL + object_id + '/' + choice + '/';
    var el = $('#' + choice + '_' + object_id + ' a');
    $.getJSON(url, function(data) {
        if (data.error) {
            alert(data.error);
            return
        }
        el.parent('li').parent('ul').find('a').each(function(i, e){
            e = $(e);
            e.attr('class', e.attr('class').split('_')[0]);
        });
        el.attr('class', el.attr('class').split('_')[0] + '_active');
        $('#up_' + object_id + '_percentage').html(data.up_percentage + ' %');
        $('#down_' + object_id + '_percentage').html(data.down_percentage + ' %');
        $(document).trigger('activity'); // activate the facebook publishing machinery
    });
}