function FrCh(seite)
{
  if(!eval("parent.bottom"))
  {
    if(seite!="")
    {
      location.replace("index.htm?"+seite);
    }
    else
    {
      location.replace("index.htm?"+location.href);
    }
  }
}

function LoFr()
{
  var URL=location.search;
  if(URL)
  {
    frame=eval("frames.bottom");
    frame.location.replace(URL.substring(1,URL.length));
  }
}