$(document).ready(function() {

    //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 imageSum = $(".image_reel img").size();
    var imageReelWidth = imageWidth * imageSum;

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

    //Paging  and Slider Function
    rotate = function(){
        var triggerID = $active.attr("rel") - 1; //Get number of times to slide
        var image_reelPosition = triggerID * imageWidth; //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({
            left: -image_reelPosition
        }, 500 );

    };

    //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
        }, 7000); //Timer speed in milliseconds (7 seconds)
    };

    rotateSwitch(); //Run function on launch

});
