isWin = false;
isMoss  = (navigator.appName == 'Netscape');
isVer4  = (parseFloat(navigator.appVersion) < 5.0);
isWin = (navigator.platform.indexOf('Win') != -1);

function ResizeCheck(){
  if( isMoss && isWin && isVer4 ){
    location.reload();
  }
}

window.onresize = ResizeCheck;