function initFullscreen(){
  Room = "dumpfm";
  refresh()
  ImageCache = []
  SeenImages = {}
}

function scanMessagesForImages(messages){
  for(var m=0; m<messages.length; m++) {
    var images = getImagesAsArray(messages[m].content)
    for (var i = 0; i<images.length; i++){
      NextImage = new Image()
      NextImage.onload = displayImage
      NextImage.src = images[i]
    }
  }
}

function displayImage(){
  $("#big-image").html('<img src="'+this.src+'">')
}

function refresh() {
    var onSuccess = function(json) {
        try {
          if (json.messages && json.messages.length)
            scanMessagesForImages(json.messages)
            
          Timestamp = json.timestamp;

/*
            var messages = $.grep(
                json.messages,
                function(m) { return !isDuplicateMessage(m) });
            updateUI(messages, json.users, json.favs);
            if (typeof UnseenMsgCounter !== 'undefined' && !HasFocus) {
                UnseenMsgCounter += messages.length;
            }
*/
        } catch(e) {
//            if (window.console) {
//                console.error(e);
//            }
        }
        setTimeout(refresh, 1000);
    };

    var onError = function(resp, textStatus, errorThrown) {
        setTimeout(refresh, 1000);
    };

    $.ajax({
        type: 'GET',
        timeout: 5000,
        url: '/refresh',
        data: { 'room': Room, 'since': Timestamp },
        cache: false,
        dataType: 'json',
        success: onSuccess,
        error: onError
    });
}