/**
 * --------------------------------------------------------------------
 * jQuery-Plugin Custom Slider
 * --------------------------------------------------------------------
 */
$(document).ready(function () {


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


    var horizontal = true;

    if (horizontal) {
        $panels.css({
            'float' : 'left',
            'position' : 'relative' 
        });

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

    var $scroll = $('#slider .scroll').css('overflow', 'hidden');

	//set up scroll buttons.  They only work if javascript is enabled
	$scroll
	  .before('<img class="scrollButtons left" src="images/scroll_left.gif" />')
	  .after('<img class="scrollButtons right" src="images/scroll_right.gif" />');
	  
	  
    // 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();
    }


    var offset = parseInt((horizontal ? 
        $container.css('paddingTop') : 
        $container.css('paddingLeft')) 
        || 0) * -1;


    var scrollOptions = {
        target: $scroll, 
        items: $panels,
        navigation: '.navigation a',
        prev: 'img.left', 
        next: 'img.right',
        axis: 'xy',
        onAfter: trigger, 
        offset: offset,
        duration: 500,
        easing: 'swing'
    };

    $('#slider').serialScroll(scrollOptions);
    $.localScroll(scrollOptions);
    scrollOptions.duration = 1;
    $.localScroll.hash(scrollOptions);

});