public function setActive($name) {
		$element = $this->getElement($name);
		
		if ($element instanceof Element) {
			$element->setActive();
		}
		
		return $this;
	}
public function setActive($name) {
		$element = $this->getElement($name);
		
		if ($element instanceof Element) {
			$element->setActive();
		}
		
		return $this;
	}
public function setActive ( $ name ) { $ element = $ this -> getElement ( $ name ) ; if ( $ element instanceof Element ) { $ element -> setActive ( ) ; } return $ this ; }
Set an element to active

@param  string $name element's name
@return Navigation
Set an element to active