$(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 determine 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
        }, 800);

    };

    //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
        }, 8000); //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 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
    });

    $("#topnav li").prepend("<span></span>"); //Throws an empty span tag right before the a tag

    $("#topnav li").each(function () { //For each list item...
        var linkText = $(this).find("a").html(); //Find the text inside of the <a> tag
        $(this).find("span").show().html(linkText); //Add the text in the <span> tag
    });

    $("#topnav li").hover(function () {	//On hover...
        $(this).find("span").stop().animate({
            marginTop: "-76" //Find the <span> tag and move it up 40 pixels
        }, 250);
    }, function () { //On hover out...
        $(this).find("span").stop().animate({
            marginTop: "0"  //Move the <span> back to its original state (0px)
        }, 250);
    });


});