Poll = function(interval) {
    var timers = {};

    function _Poll(interval) {
        console.log('_Poll called with interval', interval);
        console.log('timers is', timers);

        if(!_.has(timers, interval)) {
            timers[interval] = window.setInterval(function() {
                Session.set('_timer_' + interval, Date.now());
            }, interval * 1000);
        }

        return Session.get('_timer_' + interval);
    }

    return _Poll(interval);
};

// I want to be able to use it like this...
Poll(10);
Poll(20);