1. Don't show a warning if there are a limited number of attempts, only
if there is a time limit.
2. Merge that time-limit warning into the same form that is used for
entering a password, etc.
3. Make that form an JavaScript dialogue when you click the start attempt
button.
AMOS BEGIN
MOV ['confirmstarttimelimit', 'mod_quiz'], ['confirmstart', 'quizaccess_timelimit']
AMOS END
