function minmax(id, show)
  {
	var elem = document.getElementById(id);
	if (elem)
	{
	  if (show)
	  {
		elem.style.display = 'block';
		elem.style.visibility = 'visible';
	  }
	  else
	  {
		elem.style.display = 'none';
		elem.style.visibility = 'hidden';
	  }
	}
  }

  function newusertell(nid){
	if(nid){
		document.getElementById('newuser').style.display = 'block';
		document.getElementById('newuser').style.visibility = 'visible';
		document.getElementById('newuserfield').style.display = 'block';
		document.getElementById('newuserfield').style.visibility = 'visible';
		document.getElementById('newusernamefield').style.display = 'block';
		document.getElementById('newusernamefield').style.visibility = 'visible';
		document.getElementById('newusername').style.display = 'block';
		document.getElementById('newusername').style.visibility = 'visible';
		messageboard='newuser';
	} else{
		document.getElementById('newuser').style.display = 'none';
		document.getElementById('newuser').style.visibility = 'hidden';
		document.getElementById('newuserfield').style.display = 'none';
		document.getElementById('newuserfield').style.visibility = 'hidden';
		document.getElementById('newusernamefield').style.display = 'none';
		document.getElementById('newusernamefield').style.visibility = 'hidden';
		document.getElementById('newusername').style.display = 'none';
		document.getElementById('newusername').style.visibility = 'hidden';
		messageboard='user';
	}
  }