var url_loaded="";

 function rightwindow(url1, hoehe, breite)
 {

  try {
   if (F1.name=="navigation")
    {
     F1.focus();
     throw "iO";
    }
   else throw "niO";
   }
  catch (e)
   { if (e=="iO")
      {return;}
     else
     {
      var settings="top=20, left=20, width="+breite+", height="+hoehe+", resizable=yes, scrollbars=yes, status=no, location=no, menubar=no, toolbar=no"
      F1=window.open(url1,"navigation",settings);
      return;
     }
    }
  finally
   {
  //    alert(F1.location.href+" <-> "+url1+" : "+F1.location.href.search(url1));
     if (url_loaded!=url1)
     {
      F1.location.href=url1;
     }
    url_loaded=url1;
    F1.resizeTo(breite, hoehe);
    F1.moveTo(screen.width-breite, 20);
    F1.focus();
   }

 }

 function newwindow (url1,url_name)
 {
  F1=window.open(url1, url_name, "scrollbars=auto, status=no, location=no, menubar=no, toolbar=no");
  F1.focus();

 }