function smiley(str) {
  var input = document.forms[1].elements['eingabe'];
  input.focus();
  if(typeof document.selection != 'undefined') {
    var range = document.selection.createRange();
    var insText = range.text;
    range.text = str + insText;
    range = document.selection.createRange();
    range.select();
  } else if(typeof input.selectionStart != 'undefined') {
    var start = input.selectionStart;
    var end = input.selectionEnd;
    var insText = input.value.substring(start, end);
    input.value = input.value.substr(0, start) + str + insText + input.value.substr(end);
    var pos;
    if (insText.length == 0) {
      pos = start + str.length;
    } else {
      pos = start + str.length + insText.length;
    }
    input.selectionStart = pos;
    input.selectionEnd = pos;
  } else {
    document.getElementById('eintrag').value = document.getElementById('eintrag').value + str;
  }
}

function insert(aTag, eTag) {
  var input = document.forms[1].elements['eingabe'];
  input.focus();
  if(typeof document.selection != 'undefined') {
    var range = document.selection.createRange();
    var insText = range.text;
    range.text = aTag + insText + eTag;
    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();
  } else if(typeof input.selectionStart != 'undefined') {
    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);
    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;
  } else {
    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;
    }
    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 quote(id,user) {
  var text = document.getElementById(id).innerHTML;
  text = text.replace(/<br>/gi,'');
  document.getElementById('eingabe').value = document.getElementById('eingabe').value + '[quote=' + user + ']' + text + '[/quote]';
}

function bild() {
  nr = prompt("Bitte geben Sie die Nummer des Bildes ein, das Sie einfügen möchten","");
  alt = prompt("Bitte geben Sie einen Alternativtext für das Bild ein","");
  insert("[IMG="+nr+"]"+alt+"[/IMG]","");
}

function textCounter(field,countfield,maxlimit) {
  if (field.value.length > maxlimit)
    field.value = field.value.substring(0, maxlimit);
  else
    countfield.value = maxlimit - field.value.length;
}