jQuery(document).ready(function() {  
	jQuery("ul#topnav li").hover(function() { //Hover over event on list item
		jQuery(this).css({ }); //Add background color and image on hovered list item
		jQuery(this).find("span").show(); //Show the subnav
	} , function() { //on hover out...
		jQuery(this).css({ 'background' : 'none'}); //Ditch the background
		jQuery(this).find("span").hide(); //Hide the subnav
	});  
});