public static void initialize(File helpDir) throws HelpException {
  if (helpDir.isDirectory() && helpDir.exists())   HelpManager.helpDir=helpDir;
 else   throw new HelpException("Help directory is missing or invalid: " + helpDir.getAbsolutePath(),null);
}

public static void initialize ( File helpDir ) throws HelpException { if ( helpDir . isDirectory ( ) && helpDir . exists ( ) ) HelpManager . helpDir = helpDir ; else throw new HelpException ( "Help directory is missing or invalid: " + helpDir . getAbsolutePath ( ) , null ) ; }
initialize help . this must be called before fetching a help manager .
