             return null;
         }
         
+        /**
+         * Returns the keyword value of the organic referrer.
+         * @return the keyword value of the organic referrer.
+         */
         public function getKeywordValue( or:OrganicReferrer, path:String ):String
         {
             var keyword:String = or.keyword;

            return false;
        }
        
        public function getReferrerByName( name:String ):OrganicReferrer
        {
            if( match( name ) )

            return _sources;
        }
        
        /**
         * Adds a source in the organic.
         */
        public function addSource( engine:String, keyword:String ):void
        {
            var orgref:OrganicReferrer = new OrganicReferrer(engine, keyword);
