ok=0; old_what="non"; 
function show(what){ 
  if((old_what != "non") && (what != old_what)){ 
ok=1; 

old_what.style.display="none"; 
what.style.display=""; 
  }else 
  { 
if(ok){ 
  ok=0; 
  what.style.display="none"; 
}else 
{ 
  ok=1; 
  what.style.display=""; 
} 
  } 
  old_what=what; 
} 

function viewSub(status)
{
	if(status =='in') {
	submenu.style.display=""; 
	}
	else if(status =='out') submenu.style.display="none"; 
}

function viewSub_sel(status)
{
	
}