public function setActive() {
		if (! $this->_active) {
			$this->addClass(self::CLASS_ACTIVE);
			$this->_active = true;
		}
		
		return $this;
	}
public function setActive() {
		if (! $this->_active) {
			$this->addClass(self::CLASS_ACTIVE);
			$this->_active = true;
		}
		
		return $this;
	}
public function setActive ( ) { if ( ! $ this -> _active ) { $ this -> addClass ( self :: CLASS_ACTIVE ) ; $ this -> _active = true ; } return $ this ; }
Set the element active

@return Element
Set the element active