woothemes / sensei

		$html = wp_nonce_field( 'sensei-save-post-meta','woo_' . $this->token . '_nonce', true, false  );

		$html .= '<div id="add-quiz-main">';

			if ( 0 == $quiz_id ) {

				$html .= '<p>';

					// Default message and Add a Quiz button

					$html .= esc_html( __( 'Once you have saved your lesson you will be able to add questions.', 'woothemes-sensei' ) );

				$html .= '</p>';

			}

			// Quiz Panel CSS Class

			$quiz_class = '';

				$html .= '<input type="hidden" name="quiz_id" id="quiz_id" value="' . esc_attr( $quiz_id ) . '" />';

				// Default Message

				if ( 0 == $quiz_id ) {

					$html .= '<p class="save-note">';

						$html .= esc_html( __( 'Please save your lesson in order to add questions to your quiz.', 'woothemes-sensei' ) );

					$html .= '</p>';

				} // End If Statement

			$html .= '</div>';