function zb(j)//招标
{for(var i=1;i<=2;i++){document.getElementById("zbt"+i).className="dh2_2";document.getElementById("zb_txt2_bd"+i).style.display="none";}document.getElementById("zbt"+j).className="dh1_1";document.getElementById("zb_txt2_bd"+j).style.display="";
}
function gzs(j)//今日关注
{for(var i=1;i<=2;i++){document.getElementById("gzt"+i).className="fdh2";document.getElementById("gzb"+i).style.display="none";}
	document.getElementById("gzt"+j).className="fdh1";document.getElementById("gzb"+j).style.display="";
}
function Tk(j)//图库
{for(var i=1;i<=3;i++){document.getElementById("tk"+i).className="dh2_2";document.getElementById("tk_tb"+i).style.display="none";}
	document.getElementById("tk"+j).className="dh1_1";document.getElementById("tk_tb"+j).style.display="";
}
function lt(j)//论坛
{for(var i=1;i<=2;i++){document.getElementById("blt"+i).className="QH";document.getElementById("lts"+i).style.display="none";}document.getElementById("blt"+j).className="QH1";document.getElementById("lts"+j).style.display="";
}
function Jcpw(j)//装修视频  品味潮流
{for(var i=1;i<=2;i++)
	{document.getElementById("tkjjx"+i).className="QH";document.getElementById("tk_jcpw"+i).style.display="none";}
	document.getElementById("tkjjx"+j).className="QH1";	document.getElementById("tk_jcpw"+j).style.display="";
}
function new_zh_ft(j)//行业新闻 建材展会 人物访谈 
{for(var i=1;i<=3;i++)
	{document.getElementById("news_zh_ft"+i).className="tk2";document.getElementById("tk_news_zh_ft"+i).style.display="none";}
	document.getElementById("news_zh_ft"+j).className="tk1";document.getElementById("tk_news_zh_ft"+j).style.display="";
}
function cszn(j)//家装常识  设计指南
{for(var i=1;i<=2;i++)
	{document.getElementById("cs"+i).className="QH";document.getElementById("zn"+i).style.display="none";}
	document.getElementById("cs"+j).className="QH1";	document.getElementById("zn"+j).style.display="";
}
function hd(j)//活动 ，活动回顾
{for(var i=1;i<=2;i++)
	{document.getElementById("dh"+i).className="QH3";document.getElementById("h_dh"+i).style.display="none";}
	document.getElementById("dh"+j).className="QH2";	document.getElementById("h_dh"+j).style.display="";
}function jcadv(j)//活动 ，活动回顾
{for(var i=1;i<=9;i++)
	{document.getElementById("jc_dh"+i).style.display="none";}
	document.getElementById("jc_dh"+j).style.display="";
}