f1 = "zw";
function ff1(f)
{
  if(f==f1) return;
  fm=f+"-m";
  f1m=f1+"-m";

  document.getElementById(f).className='on';
  document.getElementById(f1).className='off';
  document.getElementById(fm).style.display='block';
  document.getElementById(f1m).style.display='none';

  f1=f;
}
f2 = "sjweb";
function ff2(f)
{
  if(f==f2) return;
  fm=f+"-m";
  f2m=f2+"-m";

  document.getElementById(f).className='on';
  document.getElementById(f2).className='off';
  document.getElementById(fm).style.display='block';
  document.getElementById(f2m).style.display='none';

  f2=f;
}
f3 = "tushuo";
function ff3(f)
{
  if(f==f3) return;
  fm=f+"-m";
  f3m=f3+"-m";

  document.getElementById(f).className='on';
  document.getElementById(f3).className='off';
  document.getElementById(fm).style.display='block';
  document.getElementById(f3m).style.display='none';

  f3=f;
}
f4 = "yued";
function ff4(f)
{
  if(f==f4) return;
  fm=f+"-m";
  f4m=f4+"-m";

  document.getElementById(f).className='on';
  document.getElementById(f4).className='off';
  document.getElementById(fm).style.display='block';
  document.getElementById(f4m).style.display='none';

  f4=f;
}
f5 = "fzyj";
function ff5(f)
{
  if(f==f5) return;
  fm=f+"-m";
  f5m=f5+"-m";

  document.getElementById(f).className='on';
  document.getElementById(f5).className='off';
  document.getElementById(fm).style.display='block';
  document.getElementById(f5m).style.display='none';

  f5=f;
}
f6 = "gggs";
function ff6(f)
{
  if(f==f6) return;
  fm=f+"-m";
  f6m=f6+"-m";

  document.getElementById(f).className='on';
  document.getElementById(f6).className='off';
  document.getElementById(fm).style.display='block';
  document.getElementById(f6m).style.display='none';

  f6=f;
}