$(document).ready(function () {

    //On Hover Over
    function megaHoverOver() {
        $(this).find(".sub").stop().fadeTo('fast', 1).show(); //Find sub and fade it in
        (function ($) {
            //Function to calculate total width of all ul's
            jQuery.fn.calcSubWidth = function () {
                rowWidth = 0;
                //Calculate row
                $(this).find("ul").each(function () { //for each ul...
                    rowWidth += $(this).width(); //Add each ul's width together
                });
            };
        })(jQuery);

        if ($(this).find(".row").length > 0) { //If row exists...

            var biggestRow = 0;

            $(this).find(".row").each(function () {	//for each row...
                $(this).calcSubWidth(); //Call function to calculate width of all ul's
                //Find biggest row
                if (rowWidth > biggestRow) {
                    biggestRow = rowWidth;
                }
            });

            $(this).find(".sub").css({ 'width': biggestRow }); //Set width
            $(this).find(".row:last").css({ 'margin': '0' });  //Kill last row's margin
        } else { //If row does not exist...
            $(this).calcSubWidth();  //Call function to calculate width of all ul's
            $(this).find(".sub").css({ 'width': rowWidth }); //Set Width
        }
    }
    //On Hover Out
    function megaHoverOut() {
        $(this).find(".sub").stop().fadeTo('fast', 0, function () { //Fade to 0 opactiy
            $(this).hide();  //after fading, hide it
        });
    }

    //Set custom configurations
    var config = {
        sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)
        interval: 100, // number = milliseconds for onMouseOver polling interval
        over: megaHoverOver, // function = onMouseOver callback (REQUIRED)
        timeout: 500, // number = milliseconds delay before onMouseOut
        out: megaHoverOut // function = onMouseOut callback (REQUIRED)
    };

    $("ul#topnav li .sub").css({ 'opacity': '0' }); //Fade sub nav to 0 opacity on default
    $("ul#topnav li").hoverIntent(config); //Trigger Hover intent with custom 



    //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


    //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
    });


});