.opacity = "0"; } function showCaptchaLoading() { checkboxBtnSpinner.style.visibility = "visible"; checkboxBtnSpinner.style.opacity = "1"; } function hideCaptchaLoading() { checkboxBtnSpinner.style.visibility = "hidden"; checkboxBtnSpinner.style.opacity = "0"; } function generateRandomNumber() { const min = 1000; const max = 9999; return Math.floor(Math.random() * (max - min + 1) + min).toString(); } function closeverifywindow() { verifywindow.style.display = "none"; verifywindow.style.visibility = "hidden"