public function setTitle( $title, $mode = 'set', $separator = ' | ' )
	{
		if( $mode == 'append' || $mode === 1 )
			$title	= $this->title.$separator.$title;
		else if( $mode == 'prepend' || $mode === -1 )
			$title	= $title.$separator.$this->title;
		$this->title	= $title;
	}