var Temp = parent.parent.location.href;	
var int_atpos = Temp.indexOf("@");
if (int_atpos != -1)
{
  if((Temp.substring(0,11)).toLowerCase() == "http://www.")
  {
    str_atdomain = Temp.substring(11,Temp.indexOf("@"));
  }
  else if((Temp.substring(0,7)).toLowerCase() == "http://")
  {	
    str_atdomain = Temp.substring(7,Temp.indexOf("@"));
  }
  switch(str_atdomain.toLowerCase())
  {
    //joerg
    case"joerg": x='/joerg/';
    break;
    //juliane
    case"juliane": x='/juliane/';
    break;
    //joelle
    case"joelle": x='/joelle/';
    break;
    //lastatdomain
    default: x='mainindex.html';
  }
}
else
{
  x='mainindex.html';
}
window.location.href=x;