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

MM_reloadPage(true);