public function loginUser() {
			include "conn.php";
			$req = $conn->prepare("SELECT * FROM users WHERE username=:username AND password=:password");
			$req->execute(array(
				'username'=>$this->getUsername(),
				'password'=>$this->getPassword()
				));
			if ($req->rowCount() == 0) {
				header("Location: /chat/index.php?error=1");
				return false;
			} else {
				while ($data=$req->fetch()) {
					$this->setID($data['id']);
					$this->setUsername($data['username']);
					$this->setPassword($data['password']);

					header("Location: /chat/chat.php");
					return true;
				}
			}
		}