function selCat(name,obj,n)
{
	for(i=1;i<=n;i++)
	{
		eval("document.getElementById('"+name+i+"').className=''");
		//隐藏变换选项卡内容
		if(name == 'n' || name == 's'){}
		else{
			eval("document.getElementById('display_"+name+'_'+i+"').style.display='none'");
		}
	}
	//排行模块
	if(name == 'mt' || name == 'dt'){
		eval("document.getElementById('"+name+obj+"').className='topButtonOver'");
	}
	//所有中间选项卡模块
	else{
		eval("document.getElementById('"+name+obj+"').className='columnBarOver'");
	}
	//显示变换选项卡内容
	if(name == 'n' || name == 's'){}
	else{
		eval("document.getElementById('display_"+name+'_'+obj+"').style.display=''");
	}
}
function selTj(name,obj,n)
{
	for(i=1;i<=n;i++)
	{
		eval("document.getElementById('"+name+i+"').className=''");
		//隐藏变换选项卡内容
		if(name == 'n' || name == 's'){}
		else{
			eval("document.getElementById('display_"+name+'_'+i+"').style.display='none'");
		}
	}
	//排行模块
	if(name == 'mt' || name == 'dt'){
		eval("document.getElementById('"+name+obj+"').className='topButtonOver'");
	}
	//所有中间选项卡模块
	else{
		eval("document.getElementById('"+name+obj+"').className='columnBarOver2'");
	}
	//显示变换选项卡内容
	if(name == 'n' || name == 's'){}
	else{
		eval("document.getElementById('display_"+name+'_'+obj+"').style.display=''");
	}
}
function DLLRegistered(strID)
{
		var o = null;
  	try {
			o = new ActiveXObject(strID);
		}catch(e){
			return false;
  	}
		if(o != null){
			o = null;
			return true;
		}else
			return false;
}


//最新求购|最新供应| 窗口切换

function tabit(id,cid) {
biz_tit1.className="topButtonOver";
biz_tit2.className="topButtonOver";
biz_tit3.className="topButtonOver";
id.className="columnBarOver1";
biz_1.style.display="none";
biz_2.style.display="none";
biz_3.style.display="none";
cid.style.display="block";
//winname=cid;
}

function showall() {
biz_tit1.className="topButtonOver";
biz_tit2.className="topButtonOver";
biz_tit3.className="topButtonOver";
biz_1.style.display="block";
biz_2.style.display="block";
biz_3.style.display="block";
}