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!');
            }
        });
    });
});