function menumsg(msg)
// This is required to circumvent a Netscape 4 bug, which doesn't execute onMouseOver / onMouseOut correctly
  {
  // sets the status message
  status = msg;
  return true; 
  }


function windowOpenEx (url, windowname, features, fullscreen)
  {
  
  if (fullscreen == 'true')
    {
     features = features + ',height=' + (screen.availHeight-50);
     features = features + ',width=' + (screen.availWidth-10);
    }

  bookwindow = window.open('about:blank', windowname, features);
  bookwindow.location.replace(url);
  if (bookwindow.opener == null) bookwindow.opener = self;
  bookwindow.focus();
  }