<!--
function insert(aTag, eTag) {
  var input = document.forms['kommentarform'].elements['kommentar'];
  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);
  }
}


/* Captcha */
var http = null;
var WEBPATH = '';

if(window.XMLHttpRequest) 
{
  http = new XMLHttpRequest();
} 
else if(window.ActiveXObject) 
{
  http = new ActiveXObject("Microsoft.XMLHTTP");
}

function newCaptcha(webpath) {
   WEBPATH = webpath;
   handle();
}

function handle() 
{
	if(http != null) 
	{
		document.getElementById('details_captcha_img').innerHTML = "<img src=\"" + WEBPATH + "system/images/indicator.gif\" id=\"details_captcha_indicator\" />";  
	  http.open("GET", WEBPATH + "system/captcha.ajax.php", true);
	  http.onreadystatechange = output;
	  http.send(null);
	}
}

function output() 
{	
  if(http.readyState == 4) 
  { 	   	
 	  document.getElementById('details_captcha_img').innerHTML = "<img src=\"" + WEBPATH + "system/captcha.php?id=" + http.responseText + "\" id=\"details_captcha_img_tag\" />";           
    document.kommentarform.captcha_session_code.value = http.responseText;
  }
}
//-->