function showsub(btnid,tabid,tabnumber)//点击按钮ID，舌签区ID，舌签数量
{
	for (i = 0;i<tabnumber;i++)
	{
		document.getElementById("tab"+tabid+"_btn"+i).className = "tabbtn01";
		document.getElementById("tab"+tabid+"_subdiv"+i).style.display = "none";
	}
	document.getElementById("tab"+tabid+"_btn"+btnid).className = "tabbtn02";
	document.getElementById("tab"+tabid+"_subdiv"+btnid).style.display = "";
}