function bbsUserCheck(){
  var user = getUser();    
  if (user != null) { 
    return true;
  } else {
    alert("Sinun t?ytyy kirjautua sis??n\nosallistuaksesi keskusteluun"); return false;
  }
}

function switchTTboxes(show,hide) {
document.getElementById(show).style.display = 'block';
document.getElementById(hide).style.display = 'none';
}

function changeComment(show) {
document.getElementById('comart1').innerHTML = document.getElementById(show).innerHTML;
document.getElementById('comart2').className='normal';
document.getElementById('comart3').className='normal';
document.getElementById('comart4').className='normal';
document.getElementById('comart5').className='normal';
document.getElementById('comart6').className='normal';
document.getElementById('comart1b').className='normal';

document.getElementById(show).className='tiny';
}