function ShowarticleContenthuazhong(id)
	{
		for (var i = 0;i < 3;i++)
		{
			var articlenavhuazhong = document.getElementById("articlenavhuazhong" + i);
			var articlecontenthuazhong = document.getElementById("articlecontenthuazhong" + i);
			if (i == id)
			{
				articlenavhuazhong.className = 'china_xianshi';
				articlecontenthuazhong.style.display = "";
			}
			else
			{
				articlenavhuazhong.className = 'china_xianshi_current';
				articlecontenthuazhong.style.display = "none";
			}
		}
	}