function messageinboxaus(id,cl) {
  if (cl=='') {
    if (document.getElementById(id).style.display == 'none') {
      if (navigator.appName.indexOf("Explorer") != -1) {
        document.getElementById(id).style.display = 'block';
      }
      else {
        document.getElementById(id).style.display = 'table-row';
      }
      document.getElementById(id+'_b').innerHTML = '<img src="/images/minus_orange_gr.gif" alt="zuklappen" border="0">';
      with (new Ajax()){
        url="ajax_messageinboxaus.php";
        method="POST";
        params="id="+id;
        onSuccess=successHandler;
        onError=errorHandler;
        doRequest();
      }
      document.getElementById('mes_tools_'+id).style.visibility = 'hidden';
    }
    else {
      document.getElementById(id).style.display = 'none';
      document.getElementById(id+'_b').innerHTML = '<img src="/images/plus_orange_gr.gif" alt="aufklappen" border="0">';
      document.getElementById('mes_tools_'+id).style.visibility = 'visible';
    }
  }
  else {
    var allHTMLTags = new Array();
    allHTMLTags = document.getElementsByTagName('tr');
    if (document.getElementById(id+'_id').style.display == 'none') {
      for (i=0; i<allHTMLTags.length; i++) {
        if (allHTMLTags[i].className==id+cl) {
          if (navigator.appName.indexOf("Explorer") != -1) {
            allHTMLTags[i].style.display = 'block';
          }
          else {
            allHTMLTags[i].style.display = 'table-row';
          }
        }
      }
      document.getElementById(id+'_b').innerHTML = 'Details ausblenden';
    }
    else {
      for (i=0; i<allHTMLTags.length; i++) {
        if (allHTMLTags[i].className==id+cl) {
          allHTMLTags[i].style.display = 'none';
        }
      }
      document.getElementById(id+'_b').innerHTML = 'Details einblenden';
    }
  }

  function successHandler(txt,xml){
    if (txt!="") {
      document.getElementById('letter_'+txt).src = '/images/letter_open.gif';
      //document.getElementById('357_b').innerHTML = txt;
    }
  }
  
  function errorHandler(msg){ }
}