Make your navigation a bit more flashy with this plugin… using easing and hoverIntent, customise the rollover colours, easing method and duration…
View the demo for an example…

Include in the head of your document:

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.js"></script>
<script type="text/javascript" src="jquery.easing.1.3.js"></script>
<script type="text/javascript" src="jquery.hoverIntent.minified.js"></script>
<script type="text/javascript" src="jquery.flashyNav.1.0.js"></script>

HTML:

<ul class="nav nav1">
    <li><a>Home</a></li>
    <li><a>About Us</a></li>
    <li><a>Services</a></li>
    <li><a>Products</a></li>
    <li><a>Contact Us</a></li>
</ul>

CSS:

ul.nav {list-style:none; margin:20px; width:300px; font-size:10px; font-family:Arial, Helvetica, sans-serif; font-weight:bold}
ul.nav li {position:relative; border-bottom:1px solid #333; display:block; height:30px; overflow:hidden}
ul.nav li a {position:relative; color:#fff; text-decoration:none; display:block; height:20px; padding:10px 0 0 10px; z-index:100; text-transform:uppercase}

Initialise the Plugin:

<script type="text/javascript">
$(function(){
 
    $('.nav1').flashyNav({
        rolloverColor: '#5400ff',   //the default color of the rollover element
        rolloverDuration: 1000, //the default duration for the rollover
        easingMethod: 'easeInOutQuint'  //easing method used for animation
    });
 
});
</script>

The article source:http://www.brandammo.co.uk/blog/2011/04/jquery-flashy-navigation-with-easing-and-hoverintent/