$(document).ready(function(){
	$("ul.subnav").parent().append("<span></span>");
	$("ul.topnav li").hover(function() {
		//Following events are applied to the subnav itself (moving subnav up and down)
			$(this).find("ul.subnav").slideDown('fast'); //Drop down the subnav on click
		},
		function(){
			$(this).find("ul.subnav").slideUp('fast'); //When the mouse hovers out of the subnav, move it back up
		});

});s