var currentPicture = 0;
var totalPictures = 5;

/**
* Fades through the next picture on the homepage
**/
function showNextPicture(){
  var pictures = $(".Letterbox");
  var currentPictureObj = pictures[currentPicture];
  $(currentPictureObj).fadeOut("slow");
  currentPicture++;
  if (currentPicture > totalPictures){
    currentPicture = 0;
  }

  var nextPictureObj = pictures[currentPicture];
  $(nextPictureObj).fadeIn("slow");
}

/**
* Runs page ready events
**/
$(document).ready(function(){
  if ($(".Letterbox") == null){
    return;
  }

  $(".Letterbox").fadeOut(0);
  var firstPic = $(".Letterbox")[0];
  $(firstPic).fadeIn(0);
  setInterval('showNextPicture()', 4000);
});