function Display(which) {
  ma=document.getElementById("billing");
  em=document.getElementById("dadmin");
  ph=document.getElementById("webmail");
  if (which=="billing") ma.style.display="block";
    else ma.style.display="none";
  if (which=="dadmin") em.style.display="block";
    else em.style.display="none";
  if (which=="webmail") ph.style.display="block";
    else ph.style.display="none";
  ma2=document.getElementById("billing2");
  em2=document.getElementById("dadmin2");
  ph2=document.getElementById("webmail2");
  if (which=="billing2") ma2.style.display="block";
    else ma2.style.display="none";
  if (which=="dadmin2") em2.style.display="block";
    else em2.style.display="none";
  if (which=="webmail2") ph2.style.display="block";
    else ph2.style.display="none";
}