$(document).ready(function() {
	var timeout = 0;
	
	$('#categories-button').mouseover(function() {
		$('#sub-menu').show();
		clearTimeout(timeout);
	});
	
	$('#sub-menu *').mouseover(function() {
		$('#sub-menu').show();
		clearTimeout(timeout);
	});
	
	$('#sub-menu').mouseout(function() {
		timeout = window.setTimeout(function(){$('#sub-menu').fadeOut(200);}, 200);
	});
});