function ReloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) 
  	with (navigator) 
      {
        if ((appName=="Netscape")&&(parseInt(appVersion)==4)) 
          {
            document.pgW=innerWidth; 
            document.pgH=innerHeight; 
            onresize=ReloadPage; 
          }
      }
  else if (innerWidth!=document.pgW || innerHeight!=document.pgH) 
    location.reload();
}

ReloadPage(true);