RSS = {
  toggle : function(src_id, dest_id) {
    var source = $(src_id);
    var target = $(dest_id);
    var jTarget = jQuery('#' + dest_id);
    var link = $(src_id + '-link');
    $$(".rss-alpha-link").each(function(a) {
      a.removeClassName('rss-alpha-link-active');
    });
    target.update(source.innerHTML);
    var active_class = 'rss-alpha-link-active';
    if (target.readAttribute('value') == src_id) {
      if (target.visible()) {
        jTarget.fadeOut();
        active_class = '';
      } else {
        jTarget.fadeIn();
      }
    } else {
      target.hide();
      target.writeAttribute({value: src_id});
      jTarget.fadeIn();
    }
    link.addClassName(active_class);
  }
}