$(document).ready(function ()
{        
    var horizontal = true;
    
    var $panels = $('#slider .panel');
    var $container = $('#slider .scrollContainer');
    var $scroll = $('#slider .scroll').css('overflow', 'hidden');
    
    $scroll
        .after('<img src="/images/evolution/history/btn-prev.gif" id="scrollLeft" class="scrollBtns" />')
        .after('<img src="/images/evolution/history/btn-next.gif" id="scrollRight" class="scrollBtns" />');
    
    if (horizontal)
    {
        $panels.css(
            {
            'float' : 'left',
            'position' : 'relative'
        });      
    
       $container.css('width', $panels[0].offsetWidth * $panels.length);
    }    
        
        
    $('#slider .navigation a').click(selectNav);
    
    function selectNav() 
    {
        $(this)
            .parents('ul:first')
                .find('a')
                    .removeClass('selected')
                .end()
            .end()
            .addClass('selected');
    }
        
    var scrollOptions = {
        target: $scroll,
        items: $panels,
        navigation: '.navigation a',
        prev: 'img#scrollLeft',
        next: 'img#scrollRight',
        axis: 'xy',
        duration: 500,
        onAfter: trigger
    }; 
    
    // nav change with movement
    function trigger(data) 
    {
        var el = $('#slider .navigation').find('a[href$="' + data.id + '"]').get(0);
        selectNav.call(el);
    } 
    
    // trigger the nav to display from id    
    if (window.location.hash)
    {
        if(!(window.location.hash.substr(1) == "evoContentContainer")){
            trigger({ id: window.location.hash.substr(1) });
        }
        else
        {
            $('#slider .navigation a:first').click();
        }
    }   
    else
    {
        $('#slider .navigation a:first').click();
    } 
        
    $('#slider').serialScroll(scrollOptions);
    $.localScroll(scrollOptions);   
        
});