var textfeld="";
var textfeld2="";
var max=500;
var anzahl_feld;
function anschlaegeZaehlen(prueffeld,anzeige)
{
if (prueffeld.value.length>max)
 {
         prueffeld.value = textfeld1;
 return;
 }
else
 {
	anzahl_feld = anzeige;
         textfeld =  prueffeld.value;
         anzahl_feld.value = (max -  prueffeld.value.length);
 }
return
}
/*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
/*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
/*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
/*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/

function insert(aTag, eTag, feld) {
  var input = feld;
  input.focus();
  /* für Internet Explorer */
  if(typeof document.selection != 'undefined') {
    /* Einfügen des Formatierungscodes */
    var range = document.selection.createRange();
    var insText = range.text;
    range.text = aTag + insText + eTag;
    /* Anpassen der Cursorposition */
    range = document.selection.createRange();
    if (insText.length == 0) {
      range.move('character', -eTag.length);
    } else {
      range.moveStart('character', aTag.length + insText.length + eTag.length);
    }
    range.select();
  }
  /* für neuere auf Gecko basierende Browser */
  else if(typeof input.selectionStart != 'undefined')
  {
    /* Einfügen des Formatierungscodes */
    var start = input.selectionStart;
    var end = input.selectionEnd;
    var insText = input.value.substring(start, end);
    input.value = input.value.substr(0, start) + aTag + insText + eTag + input.value.substr(end);
    /* Anpassen der Cursorposition */
    var pos;
    if (insText.length == 0) {
      pos = start + aTag.length;
    } else {
      pos = start + aTag.length + insText.length + eTag.length;
    }
    input.selectionStart = pos;
    input.selectionEnd = pos;
  }
  /* für die übrigen Browser */
  else
  {
    /* Abfrage der Einfügeposition */
    var pos;
    var re = new RegExp('^[0-9]{0,3}$');
    while(!re.test(pos)) {
      pos = prompt("Einfügen an Position (0.." + input.value.length + "):", "0");
    }
    if(pos > input.value.length) {
      pos = input.value.length;
    }
    /* Einfügen des Formatierungscodes */
    var insText = prompt("Bitte geben Sie den zu formatierenden Text ein:");
    input.value = input.value.substr(0, pos) + aTag + insText + eTag + input.value.substr(pos);
  }
}


function NAV2EinBlenden (bereich) {
  if (document.getElementById)
    document.getElementById(bereich).style.display = "block";
}

function NAV2AusBlenden (bereich) {
  if (document.getElementById)
    document.getElementById(bereich).style.display = "none";
}


function ein_ausblenden2 (ein1,aus1) {
  if (document.getElementById)
    document.getElementById(ein1).style.display = "inline";
    document.getElementById(aus1).style.display = "none";
}