This is a work in progress of a standard tab switcher function

Tab Switcher

if($('#payment-picker').length > 0) {

    $('.discount-form').persistentPanel({
      toggler: 'div.discounts h3 .toggle',
      togglerContents: false,
      togglerClass: {open: 'up', closed: 'down'},
      cookieName: 'discountForm'
    });
    // transfer click on h3 to toggler for pP */
    $('div.discounts h3').click(function(){$(this).find('div.toggle').click();});

    // wtf mate? this only works if its WITH the usage
    $.fn.toggleTabMenu = function(kickoff) {
      this.find('ul li a').live('click', function(e){
        $(this).closest('ul').find('a').removeClass('current');
        $(this).addClass('current');
        $(this).closest('div').find('> div').hide();
        $('#' + $(this).attr('data-show-div')).show();

        e.preventDefault();
      });
      kickoff.call(this);
      return this;
    };

    $('#payment-picker').toggleTabMenu(function(){$(this).find('#credit-card-link').click()});

  }