function checkLen()
{
maxLen=200;
var txt=document.shoutbox_form.text.value;
if(txt.length>maxLen)
    {
      // alert("Bitte maximal "+maxLen+" Zeichen eingeben!");
      document.shoutbox_form.text.value=txt.substring(0,maxLen);
      document.shoutbox_form.zaehler.value=0;
    }
else
    {
    document.shoutbox_form.zaehler.value=maxLen-txt.length;
    }
}