var wT;
$().ready(function(){
	$("#navigation li").mouseover(function(){
		window.clearTimeout(wT);
		$("#navigation ol").css("display", "none");
		if($(this).find("ol").length > 0){
			$(this).find("ol").css("display", "block");
		}
		wT = setTimeout("hideNavi()", 1000);
	});
});

function hideNavi(){
	$("#navigation ol").css("display", "none");
	$("#navigation ol.active").css("display", "block");
}