// Twitter display functions
String.prototype.linkify = function () {
    return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function (m) { return m.link(m); });
};

function relative_time(time_value) {
    var values = time_value.split(" ");
    time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
    var parsed_date = Date.parse(time_value);
    var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
    var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
    delta = delta + (relative_to.getTimezoneOffset() * 60);

    var r = '';
    if (delta < 60) {
        r = 'a minute ago';
    } else if (delta < 120) {
        r = 'couple of minutes ago';
    } else if (delta < (45 * 60)) {
        r = (parseInt(delta / 60)).toString() + ' minutes ago';
    } else if (delta < (90 * 60)) {
        r = 'an hour ago';
    } else if (delta < (24 * 60 * 60)) {
        r = '' + (parseInt(delta / 3600)).toString() + ' hours ago';
    } else if (delta < (48 * 60 * 60)) {
        r = '1 day ago';
    } else {
        r = (parseInt(delta / 86400)).toString() + ' days ago';
    }

    return r;
}

function twitter_callback() { return true; }