Uploading content blocks and pages entirely

Uploading content blocks and pages entirely

Hello . Does not solve the problem . But the problem is the following . Now done uploading via ajax entire page , here :
  1. $(document).on('click', '.link', function(e){ e.preventDefault(); var link = $(this).attr('href'); if (link == 'index.html') {$('#content').prev('.slider').show();} else { $.ajax({ type:'post', url: link, success: function(mes){ $('#content').prev('.slider').hide(); $('#content').html(mes); } })} })
But there is a need to load not only the entire page , but just some blocks from the pages. I have not one day can not figure out how to do it. I will welcome any advice .