var submitted = false;

function init_wait(waitTriggerSelector, waitElementSelector) {
  $(waitTriggerSelector).click(function() {
    // Ignore clicks if the trigger has already been clicked
    if(submitted)
      return false;
    submitted = true;
    $(waitElementSelector).css({opacity: 0.0, display: 'block'})
                          .animate({opacity: 1.0}, 250);
  });
}