// 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)

        $container.css('width', $panels[0].offsetWidth * $panels.length);

    }

 

    // 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="http://graphpaperpress.com/wp-content/themes/gpp_v5/images/scroll_left.png" />')

        .after('<img class="scrollButtons right" src="http://graphpaperpress.com/wp-content/themes/gpp_v5/images/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 (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);

    

    // first hide the navigation buttons

		var $buttons = $('img.right').add('img.left').hide();

 

	// start to automatically cycle the tabs

		var cycleTimer = setInterval(function () {

		$scroll.trigger('next');

		}, 6000);

 

	// select some trigger elements to stop the auto-cycle

		var $stopTriggers = $('#slider .navigation').find('a') 

	

	// tab headers

		.add('.scroll') 

	

	// panel itself

		.add("a[href^='#']"); 

	

	// links to a tab

 

	// this is the function that will stop the auto-cycle

		function stopCycle() {

 

	// remove the no longer needed stop triggers

		$stopTriggers.unbind('click.cycle');

		clearInterval(cycleTimer); 

	

	// stop the auto-cycle itself

		$buttons.show(); 

		

	// show the navigation buttons

		}

 

	// bind stop cycle function to the click event using namespaces

		$stopTriggers.bind('click.cycle', stopCycle);

 

});
