// when the DOM is ready...
$(document).ready(function() {

    var $panels = $('#slider .scrollContainer > div');
    var $container = $('#slider .scrollContainer');

    // if false, we'll float all the panels left and fix the width 
    // of the container
    var horizontal = true;

    // float the panels left if we're going horizontal
    if (horizontal) {
        $panels.css({
            'float': 'left',
            'position': 'relative' // IE fix to ensure overflow is hidden
        });

        // calculate a new width for the container (so it holds all panels)
        var newWidth = $panels[0].offsetWidth * $panels.length;
        //alert(newWidth);
        $container.css('width', newWidth);
    }

    // collect the scroll object, at the same time apply the hidden overflow
    // to remove the default scrollbars that will appear
    var $scroll = $('#slider .scroll').css('overflow', 'hidden');

    // apply our left + right buttons
    $scroll.before('<img class="scrollButtons left" src="scroll_left.png" />').after('<img class="scrollButtons right" src="scroll_right.png" />');

    // handle nav selection
    function selectNav() {
        $(this).parents('ul:first').find('a').removeClass('selected').end().end().addClass('selected');
    }

    $('#slider .navigation').find('a').click(selectNav);

    // go find the navigation link that has this target and select the nav
    function trigger(data) {
        var el = $('#slider .navigation').find('a[href$="' + data.id + '"]').get(0);
        selectNav.call(el);
        if (data.id == "pix") {
            $.get("v3/photo_slideshow.html", function(data) {
                //alert(data);
                $("#slideshow_cddt").html(data);
                $('#slideshow_cddt').cycle({
                    fx: 'custom',
                    cssBefore: {
                        top: 0,
                        left: 0,
                        width: 0,
                        height: 0,
                        zIndex: 1
                    },
                    animIn: {
                        width: 480,
                        height: 310
                    },
                    animOut: {
                        top: 310,
                        left: 480,
                        width: 0,
                        height: 0
                    },
                    cssAfter: {
                        zIndex: 0
                    },
                    random: 1,
                    next: '#slideshow_cddt',
                    pause: 1
                });
            }, "html");
        } else if (data.id == "links") {
            $.get("v3/jokes.html", function(data) {
                //alert(data);
                $("#jokescarousel").html(data);
                $('#jokescarousel').jcarousel({
                    scroll: 1
                });
            }, "html");        
        }
    }

    if (window.location.hash) {
        trigger({
            id: window.location.hash.substr(1)
        });
    }
    else {
        $('ul.navigation a:first').click();
    }

    // offset is used to move to *exactly* the right place, since I'm using
    // padding on my example, I need to subtract the amount of padding to
    // the offset.  Try removing this to get a good idea of the effect
    var offset = parseInt((horizontal ? $container.css('paddingTop') : $container.css('paddingLeft')) ||
    0) *
    -1;


    var scrollOptions = {
        target: $scroll, // the element that has the overflow
        // can be a selector which will be relative to the target
        items: $panels,

        navigation: '.navigation a',

        // selectors are NOT relative to document, i.e. make sure they're unique
        prev: 'img.left',
        next: 'img.right',

        // allow the scroll effect to run both directions
        axis: 'xy',

        onAfter: trigger, // our final callback
        offset: offset,

        // duration of the sliding effect
        duration: 500,

        // easing - can be used with the easing plugin: 
        // http://gsgd.co.uk/sandbox/jquery/easing/
        easing: 'swing'
    };

    // apply serialScroll to the slider - we chose this plugin because it 
    // supports// the indexed next and previous scroll along with hooking 
    // in to our navigation.
    $('#slider').serialScroll(scrollOptions);

    // now apply localScroll to hook any other arbitrary links to trigger 
    // the effect
    $.localScroll(scrollOptions);

    // finally, if the URL has a hash, move the slider in to position, 
    // setting the duration to 1 because I don't want it to scroll in the
    // very first page load.  We don't always need this, but it ensures
    // the positioning is absolutely spot on when the pages loads.
    scrollOptions.duration = 1;
    $.localScroll.hash(scrollOptions);

});