function show1(ta,tb,tt)
{
  for (i=1;i<=tb;i++)
  {
    if (tt==i)
    {
      document.getElementById(ta+"1"+tt).style.display="block";
      document.getElementById(ta+"0"+tt).className="over";
    }
    else
    {
      document.getElementById(ta+"1"+i).style.display="none";
      document.getElementById(ta+"0"+i).className="out";
    }
  }
}