var columnsId = "";//定义一个变量用于存放栏目Id


try{
	if(oneColumnsId!=null && twoColumnsId!=null && threeColumnsId!=null && fourColumnsId)
	{
		columnsId = fourColumnsId;
	}
	else if(oneColumnsId!=null && twoColumnsId!=null && threeColumnsId!=null)
	{
		columnsId = threeColumnsId;
	}
	else if(oneColumnsId!=null && twoColumnsId!=null)
	{
		columnsId = twoColumnsId;
	}
	else
	{
		columnsId = oneColumnsId;
	}
}catch(err){
	if(oneColumnsId!=null && twoColumnsId!=null && threeColumnsId!=null)
	{
		columnsId = threeColumnsId;
	}
	else if(oneColumnsId!=null && twoColumnsId!=null)
	{
		columnsId = twoColumnsId;
	}
	else
	{
		columnsId = oneColumnsId;
	}
}


//以二级栏目取详细信息
new rewinjson.rewinAjax("/dcjj/jsp/public/detailInfo.jsp", 
				new rewinjson.tool.parameter("json","columnsId="+columnsId+"","",""),
				rewinjson.client.detailInfoText,
				"POST",
				"rewinjson_detailInfo"
				);