Working

head.ready(function() {

opts = {

        offset: '85%',
        continuous: 'true',
        onlyOnScroll: 'true'

    };


 //$('.share-this').on('click', function(e){


$('.share-this').waypoint(function(event, direction) {
   if (direction === 'down') {


    var contentId = $('.share-this').attr('rel');
    var uri = $('.share-this').attr('rev');



    $.ajax({
   url: 'http://www.entendu.info/share',
   type: 'GET',
   dataType: 'html',
   data: {id:contentId, url:uri},
   complete: function(xhr, textStatus) {

   },
   success: function(data, textStatus, xhr) {

   $('#'+contentId).html(data);

   },
   error: function(xhr, textStatus, errorThrown) {

   }
   });


   }
   else {

      // do this on the way back up through the waypoint
   }
   //});

   }, opts);



});