$(document).ready(function(){
	$("ul.topnav li:has(ul)").each(function(){
		$(this).addClass("hasSubmenu");
	});

	$("ul.topnav li").hover(
		function(){
			$(this).find("ul.subnav").slideDown("fast").show(); //Drop down the subnav on hover in
		},
		function(){
			$(this).find("ul.subnav").slideUp("fast").hide(); //Drop down the subnav on hover out
		}
	);
});