function ShowarticleContenthuanan(id)
	{
		for (var i = 0;i < 4;i++)
		{
			var articlenavhuanan = document.getElementById("articlenavhuanan" + i);
			var articlecontenthuanan = document.getElementById("articlecontenthuanan" + i);
			if (i == id)
			{
				articlenavhuanan.className = 'china_xianshi';
				articlecontenthuanan.style.display = "";
			}
			else
			{
				articlenavhuanan.className = 'china_xianshi_current';
				articlecontenthuanan.style.display = "none";
			}
		}
	}