[Code] Mit Javascript in Textarea Schreiben

<script type="text/[URL="http://amazon.de/gp/product/3897214717?ie=UTF8&tag=tutorialsde-21&link_code=em1&camp=2510&creative=11150&creativeASIN=3897214717&adid=1a446149-9f87-4bd7-969f-b20c49c13f69"]javascript[/URL]" language="javascript">
  function fett()
    {
    text = prompt("<b>xxx</b>","");
    if(text!="")
      {
      text = "<b>"+ text +"</b>";
      document.formular.textarea.value += text;
      }
    }
  </script>


  <form name="formular">
    <input type="button" value="fett" onclick="fett()"><br>
    <textarea name="textarea"></textarea>
  </formular>