$(function() {
	var show = false;
	var timer = null;
	$().mousemove(function() {
		clearTimeout(timer);
		timer = setTimeout(hide, 4000);
		if (!show) {
			$('p').slideDown();
			show = true;
		}
	});
	function hide() {
		$('p').slideUp();
		show = false;
	}
});