function addComment(id,cat) {
	var httpRequest = false;
	var noResult = "Kein Ergebnis";
	var add_comm_url = "http://"+ window.location.hostname +"/includes/add_comment.php"; // The server-side script

   var fehler = "";
	if(document.com_form.betreff.value == "")
    {
        fehler += "Bitte eine <strong>&Uuml;berschrift</strong> eingeben.<br />";
    }
    if(document.com_form.kommentar.value == "")
    {
        fehler += "Bitte einen <strong>Kommentar</strong> eingeben.<br />";
    }
    if(fehler)
    {
    document.getElementById('com_fehler').style.display = 'block';
	document.getElementById('com_fehler').innerHTML = fehler;
	return false;
    }
    else
    {
   httpRequest = false;
   if(window.XMLHttpRequest)  // Mozilla, Safari,...
       httpRequest = new XMLHttpRequest();
   else if(window.ActiveXObject) { // IE
       try {
           httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    }
       catch (e) {
           try {
               httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
     }
           catch (e) {}
       }
   }
   if(!httpRequest)
      return false;
   httpRequest.onreadystatechange = function() {
      if(httpRequest.readyState == 4) {
         if(httpRequest.status == 200)
            handleHttpResponse_C(httpRequest.responseText);
       else
          return false;
         }
    else
       return false;
   }
  var bet = document.getElementById('betreff').value;
  var kom = document.getElementById('kommentar').value;
  document.getElementById('neuerKommentar').innerHTML = "<img src='http://"+ window.location.hostname +"/images/loading.gif' alt='wird geladen' />";
   httpRequest.open('post', add_comm_url, true);
   httpRequest.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
   httpRequest.send('betreff='+bet+'&kommentar='+kom+'&id='+id+'&cat='+cat);
}
}


function handleHttpResponse_C(content) {
   if(!document.getElementById)
      return false;
   if(!document.getElementById('neuerKommentar'))
   return false;
   if(content == "FALSE")
      document.getElementById('neuerKommentar').innerHTML = noResult;
   else
      document.getElementById('neuerKommentar').innerHTML = content;
}