// set up prepared statements for the whole class
	private fuction setUpPreparedStatements(){  // called in constructor
		// insert site
		$this->statements['newsite'] = $this->dbh(->prepare("INSERT INTO sites (title, url) VALUES (:title, :url)");
		$this->statements['newsite']->bindParam(':title', $title);
		$this->statements['newsite']->bindParam(':url', $url);

	}
	
	// insert new site
	public function insertNewSite($sitename, $url){
		$this->statments['newsite']->execute();
	}