scape, Explorer) {
  if ((navigator.appVersion.substring(0,3) >= Netscape && navigator.appName == 'Netscape') ||      
      (navigator.appVersion.substring(0,3) >= Explorer && navigator.appName.substring(0,9) == 'Microsoft'))
    return true;
else return false;
}
//  fin du script -->
</SCRIPT>
</HEAD>
<BODY bgcolor=#000000>
<center>
<form>
<input type="button" value=" Back   " onclick="retour()">
<input type="button" value="   Next  " onclick="suite()">
</form>
<A HREF="edito.htm" TARGET="main" onMouseOve