jQuery Sliding using onAppend to change data from server

sliding_onappend_example.js

 $('element').sliding({
    items: 4,
    url: url,
    urlFormat: '{url}/page/{page}/',
    next: nextLink,
    prev: prevLink,
    disabledClass: 'disabled',
    speed: 500,
    onAppend: function(data) {
       // data is { total_pages: 2, html: 'content' }
       return data.html;
    }
  });