$(document).ready(function() {
        // The times are expressed in MiliSeconds
        var rotationDelay = 600;
        var rotationTime = 5000;

        //Show the paging and activate its first link
        $(".paging").show();
        $(".paging a:first").addClass("active");

        //Get size of the image, how many images there are, then determin the size of the image reel.
        var imageWidth = $(".window").width();
        var imageHeight = $(".window").height() ;
        var imageSum = $(".image_reel img").size();
        var imageReelWidth = imageWidth;

        //Adjust the image reel to its new size
        $(".image_reel").css({'width' : imageReelWidth});

        rotate = function()
        {
            var triggerID = $active.attr("rel") - 1; //Get number of times to slide
            var image_reelPosition = triggerID * imageHeight; //Determines the distance the image reel needs to slide

            $(".paging a").removeClass('active'); //Remove all active class
            $active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)

            //Slider Animation
            $(".image_reel").animate(
            {
                top: -image_reelPosition
            }, rotationDelay )

        };

        //Rotation  and Timing Event
        rotateSwitch = function()
        {
            play = setInterval(function()
            { //Set timer - this will repeat itself every 7 seconds
                $active = $('.paging a.active').next(); //Move to the next paging
                if ( $active.length === 0)
                { //If paging reaches the end...
                    $active = $('.paging a:first'); //go back to first
                }
                rotate(); //Trigger the paging and slider function
            }, rotationTime); //Timer speed in milliseconds
        };

        rotateSwitch(); //Run function on launch

        //On Click
        $(".paging a").click(function() {
            $active = $(this); //Activate the clicked paging
            //Reset Timer
            clearInterval(play); //Stop the rotation
            rotate(); //Trigger rotation immediately
            rotateSwitch(); // Resume rotation timer
            return false; //Prevent browser jump to link anchor
        });

      

});