$(function() {
		   
// set opacity to nill on page load
$("ul#nav span").animate({
	opacity: 0
});

// on mouse over
$("ul#nav a").hover(function () {
// animate opacity to full
	$(this).next("span").stop().animate({
		opacity: 1
		}, 500 );
	},

// on mouse out
function () {
	// animate opacity to nill
	$(this).next("span").stop().animate({
		opacity: 0
		}, 750 );
	});

});