UBB werkt niet

<?php
function klik(){
  echo "<script language=\"JavaScript\">
function addtext(bericht,text) {
  text = ' '+text+' ';
    if (document.form.elements[bericht].createTextRange) {
      document.form.elements[bericht].focus();
      document.selection.createRange().duplicate().text = text;
     } else {
    document.form.elements[bericht].focus();
      document.form.elements[bericht].value += text;
     }
}</script>
  ";
}
?>

<?php
function klik(){
  echo "<script language=\"JavaScript\">
function addtext(bericht,text) {
  text = ' '+text+' ';
    if (document.form.elements[bericht].createTextRange) {
      document.form.elements[bericht].focus();
      document.selection.createRange().duplicate().text = text;
     } else {
    document.form.elements[bericht].focus();
      document.form.elements[bericht].value += text;
     }
}</script>
  ";
}
?>