/**
  * setCurrent
  * 
  * Set current point of the journey
  * 
  * @name setCurrent
  * @param string 
  * @access public
  * @method void
  */
 public function setCurrent($node)
 {
     reset(self::$object);
     for ($i = 1; $i <= self::$count; $i++) {
         if (self::$object[$i]->index == $node) {
             break;
         }
         next(self::$object);
     }
     self::$curr = current(self::$object);
 }