function disable_password_fields(check)
{
	if (check.checked) {
  	$('user_password').disable();
  	$('user_password_confirmation').disable();
  }
	else
	{
		$('user_password').enable();
  	$('user_password_confirmation').enable();
	}
}

function toggleFamilySignup(show) {
  var toggleDiv = $('family_signup');
  if (show) {
    new Effect.BlindDown(toggleDiv);
  } else {
    new Effect.BlindUp(toggleDiv);
  }
}

function showOrHideFamilySignup() {
  var family = $('family');
  if (family.checked) {
    $('family_signup').style.display = "inline";
  } else {
	  $('family_signup').style.display = "none";
  }
}