function resize(which, max) {
  var elem = document.getElementById(which);
  if (elem == undefined || elem == null) return false;
  if (max == undefined) max = 590;
  if (elem.width > elem.height) {
    if (elem.width > max) elem.width = max;
  } else {
    if (elem.height > max) elem.height = max;
  }
}

function smile(word)
{ 
  document.getElementById('comment_add_text').value=document.getElementById('comment_add_text').value + word; 
}