/**
 * Membership plugin functions.
 */
var MembershipPlugin = {
  /**
   * Autofill cardholder name field from membership name fields.
   */
  autofillCardholderName : function() {
    if(!$('credit_card_first_name').hasClassName('autofill-disabled')) {
      var firstName = $F('membership_first_name');
      var lastName = $F('membership_last_name');
      $('credit_card_first_name').value = firstName + ' ' + lastName;
    }
  },
  
  /**
   * Disable autofill of cardholder name.
   */
  disableAutofill : function() {
    if($F('credit_card_first_name') == '') {
      $('credit_card_first_name').removeClassName('autofill-disabled');
    } else {
      $('credit_card_first_name').addClassName('autofill-disabled');
    }
  }
};