$(function() {
    
      //remove js-disabled class
        $("#viewer").removeClass("js-disabled");
    
      //create new container for images
        $("<div>").attr("id", "container").css({ position:"absolute"}).height(54).appendTo("div#viewer");
        
        //add images to container
        $(".wrapper").each(function() {
            $(this).appendTo("div#container");
        });
        
        //work out duration of anim based on number of images (1 second for each image)
        var duration = $(".wrapper").length * 11000;
        
        //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()-145, 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);
        
        //pause on mouseover
        $("a.wrapper").live("mouseover", function() {
          
            //stop anim
            $("div#container").stop(true);
            
            //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.wrapper").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"));

        });
                                        
        
    });