"

From 2011.igem.org

$(document).ready(function() {

$("ul#topnav li").hover(function() { //Hover over event on list item $(this).css({ 'background' : '#1376c9 url(topnav_active.gif) repeat-x'}); //Add background color + image on hovered list item $(this).find("span").show(); //Show the subnav } , function() { //on hover out... $(this).css({ 'background' : 'none'}); //Ditch the background $(this).find("span").hide(); //Hide the subnav });

});