var rubsShow_last=null;
function rubsShow(num){
 rubsHide();
 if(givo('subrub_'+num))rubsShow_last=givo('subrub_'+num);
 if(rubsShow_last)rubsShow_last.style.display="block";
}

function rubsHide(num){
 if(!num && rubsShow_last)rubsShow_last.style.display="none";
 else if(num && givo('subrub_'+num)){
  var tp=givo('subrub_'+num);
  if(rubsShow_last && tp===rubsShow_last)rubsShow_last=null;
  tp.style.display="none";
 }
}

/**/