// when the DOM is ready...
$(document).ready(function () {
    
    var $panels = $('#slider .scrollContainer .panel');
    var $container = $('#slider .scrollContainer');

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



    // 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
    //$scēroll.after('<input style="float:left;margin-top:20px;" class="scrollButtons left" type="button" value="<< Anterior" />');
    //$scroll.after('<input style="float:right;margin-top:20px;" class="scrollButtons right" type="button" value="Siguente >>" />');
    //$scroll.after('<img class="scrollButtons right" src="../../images/buttonform.jpg" />');

    // 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) == 'paso2' ) {
            $('input.right').fadeOut();
            $('input.left').fadeIn();
        }
        if ((data.id) == 'paso1' ) {
            $('input.left').fadeOut();
            $('input.right').fadeIn();
        }
    }

    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 = {
        cycle:false,
        target: $scroll, // the element that has the overflow
        lock:true,
        // 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: 'input.left',
        next: 'input.right',

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

        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);

});