function checkFrameset () 
{
  if (!parent.content)
  { 
    location.href="index.html?" + location.pathname;
  }
}

function checkFramecall () 
{
  var Adressanhang = location.search;
  if (Adressanhang) 
  frames.content.location.href = Adressanhang.substring (1,Adressanhang.length);
}