$(document).ready(function() {

	<!-- portfolio animation -->

	$(".portfolio-item").hover(function(){    
  
		$($(this).children()).children("span").stop(true, true).animate({"top": "-75px"}, 150);
		
	}, function(){
	
		$($(this).children()).children("span").stop(true, false).animate({"top": "0"}, 300);
		
	});
	
	<!-- Comments -->
	
	var comment = $("#comment").bind('click', function() {
	
		txt = ($(this).text());
	
		if(txt == 'Leave a comment') {
		
			$(this).text('');
		
		}
	
	});
	
});