$(function() {
    // run the code in the markup!
    $('pre code').not('#skip,#skip2').each(function() {
        eval($(this).text());
    });
    
 
});

function onBefore() {
    $('#output').html("Scrolling image:<br />" + this.src);
    //window.console.log(  $(this).parent().children().index(this) );
}
function onAfter() {
    $('#output').html("Scroll complete for:<br />" + this.src)
        .append('<h3>' + this.alt + '</h3>');
}