$(document).ready(function(){
	var fadeColor = "#000"; 
	var originalBG; 
	 
	$("#top_navigation ul li div").css("background-color", fadeColor );
	$("#top_navigation ul li").hover(
			function() {
						originalBG = $(this).css("border-bottom-color");
				$(this).children().stop().animate({ backgroundColor:originalBG}, "slow");
			},
			function() {
				$(this).children().stop().animate({backgroundColor: fadeColor }, "slow");
			});
});