function popSmilies() {
  window.open('../tagboard/smilies.php','smilies','width=180,height=400,toolbar=no,status=no,resizable=yes,scrollbars=yes');
}
function checkLength(x) {
  maxMsgLength = 400;
  if (x.value.length > maxMsgLength) {
    x.value = x.value.substring(0, maxMsgLength);
  }
}