$(function(){
	$("#portfolio ul li").hover(
		function(){
			$(this).find("span").fadeIn("slow").css("z-index", 999);
		},function(){
			$(this).find("span").fadeOut("fast").css("z-index", -999);
		}
	);
	//Center Description
	$("#portfolio ul li").each(function(){
		var description = $(this).find("span");
		description.css({marginTop: "-"+(description.height()/2)+"px", marginLeft: "-"+((description.width()/2)+6)+"px"});
	});
});