function newtitle($str) {
 $temp=urlencode(strtr($str," ,?;.:&'!/ãâáéíõúöüóûÁÉÍÕÚÖÜÓÛÈÆæè","__________aaaeiouououAEIOUOUOUCCcc"));
  return $temp;
}

======

<span class="title"><?=$st['titlu'] ?></span> <?=" (".$st['data'].")" ?><br />
<?=substr($st['stire'],0,200)." <a href=\"stire,".newtitle($st['titlu']).",".$st['id'].".html\">continuare</a>" ?>