****
CERN

        }
        return dest.toString();
    	}
    }
public boolean mouseDown(Event evt, int x, int y) {
int newWord;
	            requestFocus();
	             if ((newWord = findFunction(x, y)) != NO_FUNC) {
	             switch (newWord) {
                  }
	    case ERASE_FUNC : 
	                   nWords -= 1;
	              if (nWords < 0) initSentence();
	                  [nWords] = NO_CLASS;
	    Sentence[nWords] = NO_WORD;
	      break;                  }

	  case RUN_FUNC :
    runSentence = true;
                       ;
	  }
	  runSentence = false;
	  return true;
	  }
_