function check(n)
{
	if(n=="0")
	{
		document.all.news1.background="images/a1.gif";
		document.all.news2.background="";
		document.getElementById("tab_news01").style.display="";
		document.getElementById("tab_news02").style.display="none";
	}
	else if(n=="1")
	{
		document.all.news1.background="";
		document.all.news2.background="images/a1.gif";
		document.getElementById("tab_news01").style.display="none";
		document.getElementById("tab_news02").style.display="";
	}
	else if(n=="2")
	{
		document.all.news3.background="images/a1.gif";
		document.all.news4.background="";
		document.all.news5.background="";
		document.getElementById("tab_news03").style.display="none";
		document.getElementById("tab_news04").style.display="none";
		document.getElementById("tab_news05").style.display="";
	}	
	else if(n=="3")
	{
		document.all.news3.background="";
		document.all.news4.background="images/a1.gif";
		document.all.news5.background="";
		document.getElementById("tab_news03").style.display="none";
		document.getElementById("tab_news04").style.display="";
		document.getElementById("tab_news05").style.display="none";
	}
	else if(n=="4")
	{
		document.all.news3.background="";
		document.all.news4.background="";
		document.all.news5.background="images/a1.gif";
		document.getElementById("tab_news03").style.display="";
		document.getElementById("tab_news04").style.display="none";
		document.getElementById("tab_news05").style.display="none";
	}
	else if(n=="5")
	{
		document.all.wsbs01.background="images/fwsm_02.gif";
		document.all.wsbs02.background="images/fwqy_01.gif";
		document.getElementById("tab_smbs").style.display="none";
		document.getElementById("tab_qybs").style.display="";
	}
	else if(n=="6")
	{
		document.all.news5.background="images/zfwj_002.gif";
		document.all.news6.background="images/zfdy_002.gif";
		document.all.news7.background="images/bmdt_001.gif";
		document.getElementById("tab_news04").style.display="none";
		document.getElementById("tab_news05").style.display="none";
		document.getElementById("tab_news06").style.display="";
	}
	else if(n=="7")
	{
		document.all.news8.background="images/zxzj_01.gif";
		document.all.news9.background="images/zjcx_01.gif";
		document.getElementById("iframe5").src="czzxzj.html";
	}
	else if(n=="8")
	{
		document.all.news_bmdt.background="images/a1.gif";
		document.getElementById("news_bmdt").style.color="#d90909";
		document.getElementById("news_bmdt").style.fontWeight="bold";
		document.getElementById("news_xzdt").style.color="";
		document.getElementById("news_xzdt").style.fontWeight="";
		document.getElementById("news_gzdt").style.color="";
		document.getElementById("news_gzdt").style.fontWeight="";
		document.getElementById("news_zwxx").style.color="";
		document.getElementById("news_zwxx").style.fontWeight="";
		document.getElementById("news_bmgg").style.color="";
		document.getElementById("news_bmgg").style.fontWeight="";
		document.all.news_xzdt.background="";
		document.all.news_gzdt.background="";
		document.all.news_zwxx.background="";
		document.all.news_bmgg.background="";
		document.getElementById("tab_newsbmdt").style.display="";
		document.getElementById("tab_newsxzdt").style.display="none";
		document.getElementById("tab_newsgzdt").style.display="none";
		document.getElementById("tab_newszwxx").style.display="none";
		document.getElementById("tab_newsbmgg").style.display="none";
	}
	else if(n=="9")
	{
		document.all.news_bmdt.background="";
		document.getElementById("news_bmdt").style.color="";
		document.getElementById("news_bmdt").style.fontWeight="";
		document.getElementById("news_xzdt").style.color="#d90909";
		document.getElementById("news_xzdt").style.fontWeight="bold";
		document.getElementById("news_gzdt").style.color="";
		document.getElementById("news_gzdt").style.fontWeight="";
		document.getElementById("news_zwxx").style.color="";
		document.getElementById("news_zwxx").style.fontWeight="";
		document.getElementById("news_bmgg").style.color="";
		document.getElementById("news_bmgg").style.fontWeight="";
		document.all.news_xzdt.background="images/a1.gif";
		document.all.news_gzdt.background="";
		document.all.news_zwxx.background="";
		document.all.news_bmgg.background="";
		document.getElementById("tab_newsbmdt").style.display="none";
		document.getElementById("tab_newsxzdt").style.display="";
		document.getElementById("tab_newsgzdt").style.display="none";
		document.getElementById("tab_newszwxx").style.display="none";
		document.getElementById("tab_newsbmgg").style.display="none";
	}
	else if(n=="16")
	{
		document.all.news_bmdt.background="";
		document.getElementById("news_bmdt").style.color="";
		document.getElementById("news_bmdt").style.fontWeight="";
		document.getElementById("news_xzdt").style.color="";
		document.getElementById("news_xzdt").style.fontWeight="";
		document.getElementById("news_gzdt").style.color="#d90909";
		document.getElementById("news_gzdt").style.fontWeight="bold";
		document.getElementById("news_zwxx").style.color="";
		document.getElementById("news_zwxx").style.fontWeight="";
		document.getElementById("news_bmgg").style.color="";
		document.getElementById("news_bmgg").style.fontWeight="";
		document.all.news_xzdt.background="";
		document.all.news_gzdt.background="images/a1.gif";
		document.all.news_zwxx.background="";
		document.all.news_bmgg.background="";
		document.getElementById("tab_newsbmdt").style.display="none";
		document.getElementById("tab_newsxzdt").style.display="none";
		document.getElementById("tab_newsgzdt").style.display="";
		document.getElementById("tab_newszwxx").style.display="none";
		document.getElementById("tab_newsbmgg").style.display="none";
	}
	else if(n=="17")
	{
		document.all.news_bmdt.background="";
		document.getElementById("news_bmdt").style.color="";
		document.getElementById("news_bmdt").style.fontWeight="";
		document.getElementById("news_xzdt").style.color="";
		document.getElementById("news_xzdt").style.fontWeight="";
		document.getElementById("news_gzdt").style.color="";
		document.getElementById("news_gzdt").style.fontWeight="";
		document.getElementById("news_zwxx").style.color="#d90909";
		document.getElementById("news_zwxx").style.fontWeight="bold";
		document.getElementById("news_bmgg").style.color="";
		document.getElementById("news_bmgg").style.fontWeight="";
		document.all.news_xzdt.background="";
		document.all.news_gzdt.background="";
		document.all.news_zwxx.background="images/a1.gif";
		document.all.news_bmgg.background="";
		document.getElementById("tab_newsbmdt").style.display="none";
		document.getElementById("tab_newsxzdt").style.display="none";
		document.getElementById("tab_newsgzdt").style.display="none";
		document.getElementById("tab_newszwxx").style.display="";
		document.getElementById("tab_newsbmgg").style.display="none";
	}
	else if(n=="18")
	{
		document.all.news_bmdt.background="";
		document.getElementById("news_bmdt").style.color="";
		document.getElementById("news_bmdt").style.fontWeight="";
		document.getElementById("news_xzdt").style.color="";
		document.getElementById("news_xzdt").style.fontWeight="";
		document.getElementById("news_gzdt").style.color="";
		document.getElementById("news_gzdt").style.fontWeight="";
		document.getElementById("news_zwxx").style.color="";
		document.getElementById("news_zwxx").style.fontWeight="";
		document.getElementById("news_bmgg").style.color="#d90909";
		document.getElementById("news_bmgg").style.fontWeight="bold";
		document.all.news_xzdt.background="";
		document.all.news_gzdt.background="";
		document.all.news_zwxx.background="";
		document.all.news_bmgg.background="images/a1.gif";
		document.getElementById("tab_newsbmdt").style.display="none";
		document.getElementById("tab_newsxzdt").style.display="none";
		document.getElementById("tab_newsgzdt").style.display="none";
		document.getElementById("tab_newszwxx").style.display="none";
		document.getElementById("tab_newsbmgg").style.display="";
	}
	else if(n=="19")
	{
	    document.getElementById("tab_xxxxk").innerHTML="我要写信";
	    document.getElementById("tab_xxxxk").href="xzxx_write.aspx";
		document.all.td_wszx.background="";
		document.getElementById("td_wszx").style.color="";
		document.getElementById("td_wszx").style.fontWeight="";
		document.getElementById("td_xzxx").style.color="#d90909";
		document.getElementById("td_xzxx").style.fontWeight="bold";
		document.all.td_xzxx.background="images/a1.gif";
		document.getElementById("tab_wyxx").style.display="";
		document.getElementById("tab_wyzx").style.display="none";
	}
	else if(n=="20")
	{
	    document.getElementById("tab_xxxxk").innerHTML="我要咨询";
	    document.getElementById("tab_xxxxk").href="wszx_write.aspx";
		document.all.td_wszx.background="images/a1.gif";
		document.getElementById("td_wszx").style.color="#d90909";
		document.getElementById("td_wszx").style.fontWeight="bold";
		document.getElementById("td_xzxx").style.color="";
		document.getElementById("td_xzxx").style.fontWeight="";
		document.all.td_xzxx.background="";
		document.getElementById("tab_wyxx").style.display="none";
		document.getElementById("tab_wyzx").style.display="";
	}
	else if(n=="11")
	{
		document.getElementById("tab_news011").style.display="";
		document.getElementById("tab_news012").style.display="none";
	}
	else if(n=="12")
	{
		document.getElementById("tab_news011").style.display="none";
		document.getElementById("tab_news012").style.display="";
	}
	else if(n=="13")
	{
		document.getElementById("tab_news013").style.display="";
		document.getElementById("tab_news014").style.display="none";
	}
	else if(n=="14")
	{
		document.getElementById("tab_news013").style.display="none";
		document.getElementById("tab_news014").style.display="";
	}
	else if(n=="15")
	{
		document.getElementById("tab_smbs").style.display="none";
		document.getElementById("tab_qybs").style.display="";
	}

}