jQuery .post & .ajax

gistfile1.js

function updateResults(data){
  var results = $(data);
  var finalResults = results.filter('#preResults').html();    
  var pagerResults = results.filter('#pager').html();
  $('#results').replaceWith(finalResults);
  $('#pagerCatch').html(pagerResults);
}

$('.filterForm').submit(function(e){
  e.preventDefault(); 
  
  var $this = $(this); 
  var theData = $this.serialize();
  var theUrl = $this.attr('action');

  $.post(theUrl, theData, function(data){                          			
      updateResults(data);
  });
});

$('#pagerCatch').on('click', 'a', function(e){
  e.preventDefault();
  
  var theUrl = $(this).attr('href');
  
  $.ajax({
         url: theUrl, 
         success: function(data){
            updateResults(data);
         }
  });
});