$(document).ready(function() {
	$('h4 > a').each(
		function (i) {
			$(this).html( $(this).html() + '<span></span>');
			
			//set opacity to 0
			$(this).children('span').fadeTo(1,0,'');

			$(this).hover(
				function() { //mouseover	
					$(this).children('span').css({
						visibility: 'visible'
					});
					$(this).children('span').fadeTo("normal",1,'');
				},
				function() { //mouseout
					$(this).children('span').fadeTo("slow",0,'');
				}
			);
			
		}
	);
});