$(function() {
     		// set opacity to nill on page load
     		$("ul#menu span").css("opacity","0");
     		// on mouse over
     		$("ul#menu span").hover(function () {
     			// animate opacity to full
     			$(this).stop().animate({
     				opacity: 1
     			}, 'slow');
     		},
     		// on mouse out
     		function () {
     			// animate opacity to nill
     			$(this).stop().animate({
     				opacity: 0
     			}, 'slow');
     		});
     	});