function niftyLoginProxy () {
	//チェック環境
	//this.uri = 'https://check503.nifty.com/service/g-way/speed_toeic/speed_toeic/scripts/nifty_auth.cgi?rm=enter';
	//本番環境
	this.uri = 'https://contents.nifty.com/member/service/g-way/speed_toeic/speed_toeic/scripts/nifty_auth.cgi?rm=enter';
}
function _login () {
	window.document.location.href = this.uri;
	return true;
}
niftyLoginProxy.prototype.login = _login;