Timer

'accept' key goes to card_wait.

_wml
  _card
    _do "type='accept' label='Start'"
      __go "href='#card_wait'"
    do_	

input waiting time in the unit of 1/10 second. The format='*N' represents any numeric characters.

    _p
      quote "wait sec*(1/10):"
      __input "name='time_var' format='*N'"
    p_
  card_	

ontime specifies timeout hyperlink. onbackward set time_var to initial value '50'.

  _card "id='card_wait' ontimer='#card_stop'"
    _onevent "type='onenterbackward'"
      _refresh
        __setvar "name='time_var' value='50'"
      refresh_
    onevent_	

set the timer to time_var, default time value is 50 (5 seconds).

    __timer "name='time_var' value='50'"
    _do "type='accept' label='Stop'"
      __go "href='#card_stop'"
    do_	

use {} to avoid string evaluation. $(time_var) is a WML variable.

    _p "align='center'"
      quote {Wait $(time_var)/10 second and goto stop card.}
    p_
  card_	

display stop card.

  _card "id='card_stop'"
    _p
      quote "Stop Here!"
    p_
  card_
wml_