code: function f(prex) {
    return {
      restrict: 'A',
      link: function link(scope, elez, attrs, crtl) {
        crtl.select(attrs.tabHref);
      }
    };
  }
docs: <tabs home="#isNowHome" position="top">
  <ul>
  <li><a tab-href="#isNowHome">Home</a></li>
  </ul>
  <ANY id="isNowHome" class="tabs-content">
  <p>Bla..<p>
  </ANY>
  <ANY id="isOther" class="tabs-content">
  <p>Bla..<p>
  </ANY>
  </tabs>