$(function() {
	$('.navList>li').mousemove(function() {
		$(this).find('.subnav').slideDown(); //you can give it a speed
	});
	$('.navList>li').mouseleave(function() {
		$(this).find('.subnav').slideUp("fast");
	});
	$(".ksdh_btn").click(function() {
		if($('.kudh_sub').attr("class") == "kudh_sub") {
			$('.kudh_sub').attr("class", "kudh_sub db");
		} else {
			$('.kudh_sub').attr("class", "kudh_sub");
		}
	});
});