// Tell the API we encountered an error.
Mobify && (Mobify.bail = true);

// Show the document (we might have hidden it)
document.documentElement.style.visibility = 'visible';

// Stop whatever you were doing, write it out and show the good stuff.
document.close(); 
document.open(); 
(Mobify.write || function(s) { document.write(s) })('<%= errorHtml %>');
document.close();