try {
var iframe = document.createElement('iframe');
iframe.src = 'https://www.googletagmanager.com/ns.html?id=GTM-MJBJN9W';
iframe.height = '0';
iframe.width = '0';
iframe.style.display = 'none';
iframe.style.visibility = 'hidden';
document.body.appendChild(iframe);
} catch (error) {
console.error('Error loading Google Tag Manager (body script):', error);
}
