$(document).ready(function() {

  // get the action filter option item on page load
  var $filterType = $('#filterOptions li.active a').attr('class');

  // get and assign the ourHolder element to the
// $holder varible for use later
  var $holder = $('ul.ourHolder');

  // clone all items within the pre-assigned $holder element
  var $data = $holder.clone();

  // attempt to call Quicksand when a filter option
// item is clicked
$('#filterOptions li a').click(function(e) {
// reset the active class on all the buttons
$('#filterOptions li').removeClass('active');

// assign the class of the clicked filter option
// element to our $filterType variable
var $filterType = $(this).attr('class');
$(this).parent().addClass('active');

if ($filterType == 'all') {
// assign all li items to the $filteredData var when
// the 'All' filter option is clicked
var $filteredData = $data.find('li');
} 
else {
// find all li elements that have our required $filterType
// values for the data-type element
var $filteredData = $data.find('li[data-type=' + $filterType + ']');
}

// call quicksand and assign transition parameters
$holder.quicksand($filteredData, {
duration: 800,
easing: 'easeInOutQuad'
});
return false;
});
});