jQuery(function($) {
    /**
    * Demo binding and preparation, no need to read this part
    */
    //borrowed from jQuery easing plugin
    //http://gsgd.co.uk/sandbox/jquery.easing.php
    $.easing.elasout = function(x, t, b, c, d) {
        var s = 1.70158; var p = 0; var a = c;
        if (t == 0) return b; if ((t /= d) == 1) return b + c; if (!p) p = d * .3;
        if (a < Math.abs(c)) { a = c; var s = p / 4; }
        else var s = p / (2 * Math.PI) * Math.asin(c / a);
        return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
    };
    // back links
    $('a.back').click(function() {
        $(this).parents('div.pane').scrollTo(0, 800, { queue: true });
        $(this).parents('div.section').find('span.message').text(this.title);
        return false;
    });
    //just for the example, to stop the click on the links.
    $('ul.links').click(function(e) {
        e.preventDefault();
        var link = e.target;
        link.blur();
        if (link.title)
            $(this).parent().find('span.message').text(link.title);
    });

    // This one is important, many browsers don't reset scroll on refreshes
    // Reset all scrollable panes to (0,0)
    $('div.pane').scrollTo(0);
    // Reset the screen to (0,0)
    $.scrollTo(0);

    // TOC, shows how to scroll the whole window
    $('#toc a').click(function() {//$.scrollTo works EXACTLY the same way, but scrolls the whole screen
        $.scrollTo(this.hash, 1500, { easing: 'elasout' });
        $(this.hash).find('span.message').text(this.title);
        return false;
    });

    // Target examples bindings
    // THIS DEMO IS NOT INTENDED TO SHOW HOW TO CODE IT
    // JUST THE MULTIPLE OPTIONS. THIS CODE IS UGLY.
    var $paneTarget = $('#pane-target');

    $('#relative-selector').click(function() {
        $paneTarget.stop().scrollTo('li:eq(14)', 800);
    });
    $('#jquery-object').click(function() {
        var $target = $paneTarget.find('li:eq(14)');
        $paneTarget.stop().scrollTo($target, 800);
    });
    $('#dom-element').click(function() {
        var target = $paneTarget.find('ul').get(0).childNodes[20];
        $paneTarget.stop().scrollTo(target, 800);
    });
    $('#absolute-number').click(function() {
        $paneTarget.stop().scrollTo(150, 800);
    });
    $('#absolute-number-hash').click(function() {
        $paneTarget.stop().scrollTo({ top: 800, left: 700 }, 800);
    });
    $('#absolute-position').click(function() {
        $paneTarget.stop().scrollTo('520px', 800);
    });
    $('#absolute-position-hash').click(function() {
        $paneTarget.stop().scrollTo({ top: '110px', left: '290px' }, 800);
    });
    $('#relative-position').click(function() {
        $paneTarget.stop().scrollTo('+=100', 500);
    });
    $('#relative-position-hash').click(function() {
        $paneTarget.stop().scrollTo({ top: '-=100px', left: '+=100' }, 500);
    });

    $('#percentage-position').click(function() {
        $paneTarget.stop().scrollTo('50%', 800);
    });

    // Options examples bindings, they will all scroll to the same place, with different options
    function reset_o() {//before each animation, reset to (0,0), skip this.
        $paneOptions.stop(true).attr({ scrollLeft: 0, scrollTop: 0 });
    };
    var $paneOptions = $('#pane-options');

    $('#options-no').click(function() {
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1000);
    });
    $('#options-axis').click(function() {// only scroll horizontally
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1000, { axis: 'x' });
    });
    $('#options-duration').click(function() {// it's the same as specifying it in the 2nd argument
        reset_o(); $paneOptions.scrollTo('li:eq(15)', { duration: 3000 });
    });
    $('#options-easing').click(function() {
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 2500, { easing: 'elasout' });
    });
    $('#options-margin').click(function() {//scroll to the "outer" position of the element
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1000, { margin: true });
    });
    $('#options-offset').click(function() {//same as { top:-50, left:-50 }
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1000, { offset: -50 });
    });
    $('#options-offset-hash').click(function() {
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1000, { offset: { top: -5, left: -30} });
    });
    $('#options-over').click(function() {//same as { top:-50, left:-50 }
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1000, { over: 0.5 });
    });
    $('#options-over-hash').click(function() {
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1000, { over: { top: 0.2, left: -0.5} });
    });
    $('#options-queue').click(function() {//in this case, having 'axis' as 'xy' or 'yx' matters.
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 2000, { queue: true });
    });
    $('#options-onAfter').click(function() {
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 2000, {
            onAfter: function() {
                $('#options-message').text('Got there!');
            }
        });
    });
    // onAfterFirst exists only when queuing
    $('#options-onAfterFirst').click(function() {
        reset_o(); $paneOptions.scrollTo('li:eq(15)', 1600, {
            queue: true,
            onAfterFirst: function() {
                $('#options-message').text('Got there horizontally!');
            },
            onAfter: function() {
                $('#options-message').text('Got there vertically!');
            }
        });
    });
});