function tag_toolbar() {  document.write('<table cellpadding="0" cellspacing="0" border="0"><tr>');  document.write('<td style="padding-right:3px;"><input type="button" value="&nbsp;Fett&nbsp;" onclick="insert(\'<b>\',\'</b>\')" class="submit_button"></td>');  document.write('<td style="padding-right:3px;"><input type="button" value="&nbsp;Unterstrichen&nbsp;" onclick="insert(\'<u>\',\'</u>\')" class="submit_button"></td>');  document.write('<td style="padding-right:3px;"><input type="button" value="&nbsp;Kursiv&nbsp;" onclick="insert(\'<i>\',\'</i>\')" class="submit_button"></td>');  document.write('<td style="padding-right:3px;"><input type="button" value="&nbsp;Absatz&nbsp;" onclick="insert(\'<p>\',\'</p>\')" class="submit_button"></td>');  document.write('<td style="padding-right:3px;"><input type="button" value="&nbsp;Link&nbsp;" onclick="insert(\'<a href={var_0} title={var_1} target={_blank}>\',\'</a>\')" class="submit_button"></td>');  document.write('<td style="padding-right:3px;"><input type="button" value="&nbsp;Zeilenumbruch&nbsp;" onclick="insert(\'<br>\',\'\')" class="submit_button"></td>');  document.write('</tr></table>');  } 
 function insert(aTag,eTag) {

  if(aTag.indexOf("var_0")>1) {

   var get_var = prompt("Bitte geben Sie eine URL an:");
   aTag = aTag.replace(/var_0/g,get_var);

  }
  if(aTag.indexOf("var_1")>1) {

   var get_var = prompt("Bitte geben Sie einen Titel an:");
   aTag = aTag.replace(/var_1/g,get_var);

  }
  if(aTag.indexOf("var_2")>1) {

   var get_var = prompt("Bitte geben Sie einen Farbe an (z.B.: #FF0000):");
   aTag = aTag.replace(/var_2/g,get_var);

  }
  if(aTag.indexOf("var_3")>1) {

   var get_var = prompt("Bitte geben Sie die Größe in Pixel an (z.B.: 12):");
   aTag = aTag.replace(/var_3/g,get_var);

  }

  aTag = aTag.replace(/{/g, '"');
  aTag = aTag.replace(/}/g, '"');

  var input = document.getElementById(input_id);
  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);

  }

 }