function changeState()
{
  var obj = arguments[0];
  var reclevel = (arguments.length > 1) ? arguments[1]+1 : 0;
  var openchar = (arguments.length > 2) ? arguments[2] : 0;
  var closechar = (arguments.length > 3) ? arguments[3] : 0;
  if (reclevel > 10)
  {
    alert("to much levels");
    var b = 1/0;
  }
  var $change_div = new Array();
  var parts = obj.id;
  var p1 = parts.lastIndexOf("_");
  var topic_id = parts.substr(0,p1);
  var topic = document.getElementById(topic_id);
  var pn = false;
  var cn = false;
  if (topic)
  {
    if (topic.style)
    {
      var tsd = topic.style.display;
      if (tsd == "block")
      {
        $change_div.push({"element":topic,display:"none"});
        obj.className = "closed";
        if (closechar != 0) setchar(obj,closechar);
        cn = topic;
      }
      else
      {
        $change_div.push({"element":topic,display:"block"});
        obj.className = "opened";
        if (openchar != 0) setchar(obj,openchar);
        pn = topic.parentNode;
      }
    }
    else
    {
      $change_div.push({"element":topic,display:"block"});
      obj.className = "opened";
      if (openchar != 0) setchar(obj,openchar);
      pn = topic.parentNode;
    }
    if (pn)
    {
      for (var i=0; i<pn.childNodes.length; i++)
      {
        if (pn.childNodes[i] != obj)
        {
          if (pn.childNodes[i].className == "opened")
          {
            var erg = changeState(pn.childNodes[i],reclevel,openchar,closechar);
            if (erg.length > 0)
            {
              var max = erg.length;
              for (var k=0; k<max; k++)
              {
                $change_div.push({"element":erg[k].element,display:"none"});
                if (k>100) break;
              }
            }
            pn.childNodes[i].className = "closed";
          }
        }
      }
    }
    if (cn)
    {
      for (var i=0; i<cn.childNodes.length; i++)
      {
        if (cn.childNodes[i].className == "opened")
        {
          var erg = changeState(cn.childNodes[i],reclevel,openchar,closechar);
          if (erg.length > 0)
          {
            var max = erg.length;
            for (var j=0; j<max; j++)
            {
              $change_div.push({"element":erg[j].element,display:"none"});
              if (j>100) break;
            }
          }
          cn.childNodes[i].className = "closed";
        }
      }
    }
  }
  if (arguments[1] == 0)
  {
    if ($change_div.length > 0)
    {
      var max = $change_div.length;
      for (var i=0; i<max; i++)
      {
        if ($change_div[i].display == "none")
        {
          var dim = getObjectSize($change_div[i].element);
          $change_div[i]["a"] = dim.height;
          $change_div[i]["b"] = 0;
          $change_div[i]["c"] = null;
          $change_div[i].element.style.overflowY = "hidden";
        }
        else
        {
          $change_div[i].element.style.display = "block";
          $change_div[i].element.style.overflowY = "hidden";
          $change_div[i].element.style.height = "1px";
          $change_div[i]["a"] = 0;
          $change_div[i]["c"] = null;
        }
      }
      $GLOBALS["changeliste"] = $change_div;
      var cmd = "softmenu();";
      window.setTimeout(cmd,10);
    }
  }
  else
  {
    return $change_div;
  }
}
function setchar(obj,code)
{
  var p = obj.firstChild;
  if (p && p.tagName == "P")
  {
    var span = p.firstChild;
    if (span && span.tagName == "SPAN")
    {
      span.firstChild.nodeValue = String.fromCharCode(code);
    }
  }
}
function softmenu()
{
  var repeat = false;
  var liste = $GLOBALS["changeliste"];
  var max = liste.length;
  for (var i=0; i<max; i++)
  {
    if (liste[i].c !== 0 && liste[i].c !== null)
    {
      liste[i].a += liste[i].c;
      if (liste[i].c > 0)
      {
        if(liste[i].a >= liste[i].b)
        {
          liste[i].c = 0;
          liste[i].element.style.height = "";
        }
      }
      else
      {
        if (liste[i].a <= 0)
        {
          liste[i].c = 0;
          liste[i].element.style.display = "none";
          liste[i].element.style.height = "";
        }
      }
      if (liste[i].c != 0)
      {
        repeat = true;
        try
        {
          var h = Math.floor(liste[i].a);
          liste[i].element.style.height = h + "px";
        }
        catch(e)
        {
          repeat = false;
        }
      }
    }
    else if (liste[i].c === null)
    {
      repeat = true;
      if (liste[i].a == 0)
      {
        var dim = getObjectSize(liste[i].element);
        liste[i].b = parseInt(liste[i].element.scrollHeight);
      }
      else
      {
      }
      liste[i].c = (liste[i].b - liste[i].a)/40;
    }
  }
  if (repeat)
  {
    var cmd = "softmenu();";
    window.setTimeout(cmd,10);
  }
}
function showpage(page,ctrl)
{
  var url;
  if ($GLOBALS['homedir'])
  {
    url = $GLOBALS['homedir'] + "/" + page;
  }
  else
  {
    url = page;
  }
  if (typeof(ctrl) != "undefined")
  {
    url += "?" + ctrl;
  }
  window.location.href = url;
}
function openlink(text)
{
  window.open(text,"_blank");
}
function high(e)
{
  e.style.color = "red";
}
function norm(e)
{
  e.style.color = "white";
}
function change_language(lang)
{
  var url = window.location.href;
  var search = "/"+$GLOBALS["language"]+"/";
  var p1 = url.indexOf(search);
  if (p1 > 0)
  {
    var newurl = url.substr(0,p1+1) + lang + url.substr(p1+3);
    window.location.href = newurl;
  }
  else
  {
    alert(url + " change to "+$GLOBALS["language"]);
  }
}