jQuery(document).ready(function () {

	jQuery('ul.portfolio-grid li:nth-child(3n)').addClass('end-row');
	jQuery('ul.portfolio-grid li:nth-child(3n+1)').addClass('first-row');


	jQuery('ol#lifestream li:nth-child(3n)').addClass('end-row');
	jQuery('ol#lifestream li:nth-child(3n+1)').addClass('first-row');

});