function displ(nnn) {
if (document.getElementById(nnn).style.display == 'none')
{document.getElementById(nnn).style.display = 'block'}
else {document.getElementById(nnn).style.display = 'none'}
}
function Display(which) {
  ma=document.getElementById("wmz");
  em=document.getElementById("wmr");
  if (which=="wmz") ma.style.display="block";
    else ma.style.display="none";
  if (which=="wmr") em.style.display="block";
    else em.style.display="none";
}