Generating Javadoc
  Javadoc execution
  Loading source files for package erland.game.racer...
  src\erland\game\racer\LevelManager.java:92: as of release 1.5, 'enum' is a keyword, and may not be used as an identifier
  (try -source 1.4 or lower to use 'enum' as an identifier)
          Enumeration enum = levels.elements();
                      ^
  src\erland\game\racer\LevelManager.java:93: as of release 1.5, 'enum' is a keyword, and may not be used as an identifier
  (try -source 1.4 or lower to use 'enum' as an identifier)
          while(enum.hasMoreElements()) {
                ^
  src\erland\game\racer\LevelManager.java:94: as of release 1.5, 'enum' is a keyword, and may not be used as an identifier
  (try -source 1.4 or lower to use 'enum' as an identifier)
              LevelInterface l = (LevelInterface)enum.nextElement();
                                                 ^
  3 errors
  Generating Javadoc
  Javadoc execution
  Loading source files for package erland.game.racer...
  src\erland\game\racer\LevelManager.java:92: as of release 1.5, 'enum' is a keyword, and may not be used as an identifier
  (try -source 1.4 or lower to use 'enum' as an identifier)
          Enumeration enum = levels.elements();
                      ^
  src\erland\game\racer\LevelManager.java:93: as of release 1.5, 'enum' is a keyword, and may not be used as an identifier
  (try -source 1.4 or lower to use 'enum' as an identifier)
          while(enum.hasMoreElements()) {
                ^
  src\erland\game\racer\LevelManager.java:94: as of release 1.5, 'enum' is a keyword, and may not be used as an identifier
  (try -source 1.4 or lower to use 'enum' as an identifier)
              LevelInterface l = (LevelInterface)enum.nextElement();
                                                 ^
  3 errors