$(function () {
  //remove js-disabled class
  $("#viewer").removeClass("js-disabled");
  //create new container for images
  $("<div>").attr("id", "container").css({
    position: "absolute"
  }).width($(".imageScrollerWrapper").length * 7824).height(171).appendTo("div#viewer");
  //add images to container
  $(".imageScrollerWrapper").each(function () {
    $(this).appendTo("div#container");
  });
  //work out duration of anim based on number of images (1 second for each image)
  //var duration = $(".imageScrollerWrapper").length * 20000;
  var duration = 200000;
  //store speed for later (distance / time)
  var speed = (parseInt($("div#container").width()) + parseInt($("div#viewer").width())) / duration;
  //set direction
  var direction = "rtl";
  //set initial position and class based on direction
  (direction == "rtl") ? $("div#container").css("left", $("div#viewer").width()).addClass("rtl") : $("div#container").css("left", 0 - $("div#container").width()).addClass("ltr");
  //animator function
  var animator = function (el, time, dir) {
    //which direction to scroll
    if (dir == "rtl") {
      //add direction class
      el.removeClass("ltr").addClass("rtl");
      //animate the el
      el.animate({
        left: "-" + el.width() + "px"
      }, time, "linear", function () {
        //reset container position
        $(this).css({
          left: $("div#imageScroller").width(),
          right: ""
        });
        //restart animation
        animator($(this), duration, "rtl");
        //hide controls if visible
        ($("div#controls").length > 0) ? $("div#controls").slideUp("slow").remove() : null;
      });
    } else {
      //add direction class
      el.removeClass("rtl").addClass("ltr");
      //animate the el
      el.animate({
        left: $("div#viewer").width() + "px"
      }, time, "linear", function () {
        //reset container position
        $(this).css({
          left: 0 - $("div#container").width()
        });
        //restart animation
        animator($(this), duration, "ltr");
        //hide controls if visible
        ($("div#controls").length > 0) ? $("div#controls").slideUp("slow").remove() : null;
      });
    }
  }
  //start anim
  animator($("div#container"), duration, direction);
  //$("#rtl").click(function(){
  //animator($("div#container"), duration, direction);
  //});
  //pause on mouseover
  $("a.imageScrollerWrapper").live("mouseover", function () {
    //stop anim
    $("div#container").stop(true);
    //show controls
    //($("div#controls").length == 0) ? $("<div>").attr("id", "controls").appendTo("div#outerContainer").css({ opacity:0.7 }).slideDown("slow") : null ;
    //($("a#rtl").length == 0) ? $("<a>").attr({ id:"rtl", href:"#", title:"rtl" }).appendTo("#controls") : null ;
    //($("a#ltr").length == 0) ? $("<a>").attr({ id:"ltr", href:"#", title:"ltr" }).appendTo("#controls") : null ;
    //variable to hold trigger element
    var title = $(this).attr("title");
    //add p if doesn't exist, update it if it does
    ($("p#title").length == 0) ? $("<p>").attr("id", "title").text(title).appendTo("div#controls") : $("p#title").text(title);
  });
  //restart on mouseout
  $("a.imageScrollerWrapper").live("mouseout", function (e) {
    //hide controls if not hovering on them
    //(e.relatedTarget == null) ? null : (e.relatedTarget.id != "controls") ? $("div#controls").slideUp("slow").remove() : null ;
    //work out total travel distance
    var totalDistance = parseInt($("div#container").width()) + parseInt($("div#viewer").width());
    //work out distance left to travel
    var distanceLeft = ($("div#container").hasClass("ltr")) ? totalDistance - (parseInt($("div#container").css("left")) + parseInt($("div#container").width())) : totalDistance - (parseInt($("div#viewer").width()) - (parseInt($("div#container").css("left"))));
    //new duration is distance left / speed)
    var newDuration = distanceLeft / speed;
    //restart anim
    animator($("div#container"), newDuration, $("div#container").attr("class"));
  });
  //handler for ltr button
  $("#ltr").live("click", function () {
    //stop anim
    $("div#container").stop(true);
    //swap class names
    $("div#container").removeClass("rtl").addClass("ltr");
    //work out total travel distance
    var totalDistance = parseInt($("div#container").width()) + parseInt($("div#viewer").width());
    //work out remaining distance
    var distanceLeft = totalDistance - (parseInt($("div#container").css("left")) + parseInt($("div#container").width()));
    //new duration is distance left / speed)
    var newDuration = distanceLeft / speed;
    //restart anim
    animator($("div#container"), newDuration, "ltr");
  });
  //handler for rtl button
  $("#rtl").live("click", function () {
    //stop anim
    $("div#container").stop(true);
    //swap class names
    $("div#container").removeClass("ltr").addClass("rtl");
    //work out total travel distance
    var totalDistance = parseInt($("div#container").width()) + parseInt($("div#viewer").width());
    //work out remaining distance
    var distanceLeft = totalDistance - (parseInt($("div#viewer").width()) - (parseInt($("div#container").css("left"))));
    //new duration is distance left / speed)
    var newDuration = distanceLeft / speed;
    //restart anim
    animator($("div#container"), newDuration, "rtl");
  });
});