if(navigator.appName != 'Netscape'){
  document.write('</div>');
}
else { 
  // netscape 6
  if(navigator.appVersion.indexOf('5')==0) {		
    document.write('</div>');
  }
  // netscape 4 and below
  else {
    document.write('</layer>'); 
    document.write('</ilayer>'); 
  }
}