$(window).load(function() {
	
	// add a last class to the 3rd item from each row
	$("#latest_work li:nth-child(3n), #portfolio_items li:nth-child(3n)").addClass("last");
	
	var lis = $("#latest_work li");
	$("#latest_work li").hover(
	  function () {
		$(this).find('.description-overlay').animate({top:'0px'}, 300, 'easeOutExpo');
	  },
	  function () {
		$(this).find('.description-overlay').animate({top:'180px'}, 200, 'easeOutExpo');
	  }
	);
	
	});