$(document).ready(function(){

			//Set opacity on each span to 0%
			$(".rollover").css({'opacity':'0'});

			$('.img_list a, .logo a').hover(
				function() {
					$(this).find('.rollover').stop().fadeTo(150, 1);
				},
				function() {
					$(this).find('.rollover').stop().fadeTo(500, 0);
				}
			)
		});