function check(n)
{
	if(n=="0")
	{
		document.all.news1.background="images/sjfg01.gif";
		document.all.news2.background="images/cjfg02.gif";
		document.all.news3.background="images/gfwjjjd02.gif";
		document.getElementById("tab_news01").style.display="";
		document.getElementById("tab_news02").style.display="none";
		document.getElementById("tab_news03").style.display="none";
	}
	else if(n=="1")
	{
		document.all.news1.background="images/sjfg02.gif";
		document.all.news2.background="images/cjfg01.gif";
		document.all.news3.background="images/gfwjjjd02.gif";
		document.getElementById("tab_news01").style.display="none";
		document.getElementById("tab_news02").style.display="";
		document.getElementById("tab_news03").style.display="none";
	}
	else if(n=="2")
	{
		document.all.news1.background="images/sjfg02.gif";
		document.all.news2.background="images/cjfg02.gif";
		document.all.news3.background="images/gfwjjjd01.gif";
		document.getElementById("tab_news01").style.display="none";
		document.getElementById("tab_news02").style.display="none";
		document.getElementById("tab_news03").style.display="";
	}	

}