var addthis_pub  = 'greenbelt';

$(document).ready(function() {
  // convert the 'add this' buttons'
  $links = $('a.add-this');
  $links.mouseover(function() {
    var $anchor = $(this).parents('.hentry').find('h2:first a');
    var url = $anchor.attr('href');
    var title = $anchor.text();
    addthis_open(this, '', url, title);
  });
  $links.mouseout(addthis_close);
  $links.click(addthis_sendto);
})