var LinkTransformer = new Class({
    
    initialize: function(elementId){
      elementId = elementId || 'navbar';
      if (root = $(elementId)) {
        var list = root.getElements('a') || [];
        for (i = 0; i < list.length; i++) {
          var rel = list[i].getProperty('rel');
          if (rel && !list[i].getProperty('href')) {
            list[i].setProperty('href', rel);
          }
        }
      }
    }
});

// nacteni
window.addEvent('domready', function(){
  var navLinks = new LinkTransformer('zacatek-stranky');
  $$("a.target-blank").each(function(el){el.setProperty("target", "_blank");});

});