$(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');
});
});