$(document).ready(function() { 
	
	$("#Menu li").mouseover(function() 
	{
		$(this).animate({
		  backgroundColor: "#000000"
		}, { duration: "normal", queue: false }).css({textDecoration:"underline"});

	});
	
	$("#Menu li").mouseout(function() 
	{
		$(this).animate({
		  backgroundColor: "#555"
		}, { duration: "normal", queue: false }).css({textDecoration:"none"});

	});	
});