first_event_from_gcal.js

var start = new Date();
var end = new Date();
end.setDate(end.getDate() + 7);

$.fullCalendar.gcalFeed("http://www.google.com/calendar/feeds/b878ac83tpkjckoqh1mccmsrfk%40group.calendar.google.com/public/basic",{currentTimezone: 'America/New_York'})(start, end, function(events){
    var now = new Date();
    var VALID_SHOW_TITLES = ["The Ruby Show", "The Conversation", "The Big Web Show", "The Dev Show", "EE Podcast"];
    // auto detect from the page title if we should check for the next show for this page
    var current_page_belongs_to_show = $.grep(VALID_SHOW_TITLES, function(el, idx){
      return document.title.indexOf(el) > -1;
    })[0];

    // is there a live show right now?
    var liveShow = function(events){
      $.each(events, function(evt){
        if(evt.start <= now && evt.stop >= now) return evt;
      });
      return false;
    }(events);
    
    // What's the next show
    var nextShow = function(events, title){
      if(title){ // if we're on the page of a show
        var matchingShows= $.grep(events, function(el, idx){
          return (el.title == title) && (el.start > now);
        });
        if(matchingShows.length > 0){
          return matchingShows[0];
        }
      }
      var farInFuture = new Date();
      farInFuture.setDate(farInFuture.getDate() + 8);
      var firstEvent = {start : farInFuture};
      $.each(events, function(idx, el){
        if (el.start > now && el.start < firstEvent.start){
          firstEvent = el;
        }
      });
      return firstEvent;
    }(events, current_page_belongs_to_show);
  
  
    if(liveShow){
      console.log(liveShow.title + " is live right now! <link_to> live show </link_to>")
    }else{
      console.log(nextShow);
    }
  });