﻿$(document).ready(function () {
    //Show the paging and activate its first link
    $(".paging").show();
    $(".paging a:first").addClass("active");
    $("#slideshowlink").attr("href", $(".paging a:first").attr("href"));
    $("#slideshowlink").attr("target", $(".paging a:first").attr("target"));
    $(".paging a:first").fadeTo("normal", 0.4);

    //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
        $(".paging a").fadeTo("normal", 1.0);        

        $active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)
        $active.fadeTo("normal", 0.4);

        $("#slideshowlink").attr("href", $active.attr("href"));
        $("#slideshowlink").attr("target", $active.attr("target"));


        //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




    //On Hover
    $(".image_reel a").hover(function () {
        clearInterval(play); //Stop the rotation
    }, function () {
        rotateSwitch(); //Resume rotation timer
    });

    //On Paging Hover
    $(".paging img").hover(function () {
        $(this).fadeTo("normal", 0.6);
    }, function () {
        $(this).fadeTo("normal", 1.0);
    });

    //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
        });
});
