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

    var $panelsmain = $('#slidermain .scrollContainermain > div');
    var $containermain = $('#slidermain .scrollContainermain');

    // 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) {
        $panelsmain.css({
            'float' : 'left',
            'position' : 'relative' // IE fix to ensure overflow is hidden
        });

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

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

    // apply our left + right buttons
    $scrollmain
        .before('<img class="scrollButtonsmain left" src="wp-content/themes/sticky/images/scroll_left.png" />')
        .after('<img class="scrollButtonsmain right" src="wp-content/themes/sticky/images/scroll_right.png" />');

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

    $('#slidermain .navigationmain').find('a').click(selectNavMain);

    // go find the navigation link that has this target and select the nav
    function triggermain(data) {
        var el = $('#slidermain .navigationmain').find('a[href$="' + data.id + '"]').get(0);
        selectNavMain.call(el);
    }

    if (window.location.hash) {
        triggermain({ id : window.location.hash.substr(1) });
    } else {
        $('ul.navigationmain 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 ? 
        $containermain.css('paddingTop') : 
        $containermain.css('paddingLeft')) 
        || 0) * -1;


    var scrollOptionsMain = {
        target: $scrollmain, // the element that has the overflow

        // can be a selector which will be relative to the target
        items: $panelsmain,

        navigation: '.navigationmain 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: triggermain, // 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.
    $('#slidermain').serialScroll(scrollOptionsMain);

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

    // 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.
    scrollOptionsMain.duration = 1;
    $.localScroll.hash(scrollOptionsMain);

});