public function connection($login, $pwd) {
		$req = $this->bdd->prepare("
			SELECT users.*, profiles.* FROM users INNER JOIN
			profiles ON profiles.id_profile = users.id_profile WHERE login =
			:login AND password = :pwd");
		$req->execute(array(
			'login' => $login,
			'pwd' => hash("ripemd160", $pwd .
				"si tu aimes la wac tape dans tes mains")
			));
		$data = $req->fetch(PDO::FETCH_ASSOC);
		$_SESSION["id_user"] = $data["id_user"];
		$_SESSION["login"] = $data["login"];
		$_SESSION["mail"] = $data["mail"];
		$_SESSION["admin"] = $data["admin"];
		$_SESSION["hexa"] = $data["color_hexa"];
		$req = $this->bdd->prepare("
			SELECT * FROM user_infos WHERE
			user_infos.id_user = :id_user");
		$req->execute(array(
			'id_user' => $data["id_infos"]
			));
		$data = $req->fetch(PDO::FETCH_ASSOC);
		$_SESSION["id_info"] = $data["id_user"];
		$_SESSION["name"] = $data["name"];
		$_SESSION["firstname"] = $data["firstname"];
		$_SESSION["sexe"] = $data["sex"];
		$_SESSION["place"] = $data["place"];
		$_SESSION["birthdate"] = $data["birthdate"];
		$_SESSION["phone_number"] = $data["phone_number"];
		if ($data != false) {
			return true;
		}
		else
			return false;
	}