Form shown and disappears in Firefox

Hello,

When I open my landing page in Firefox it shows and after a second it disappears.

It happens only in Firefox.

This is the landing page with the embedded form:

http://jmgads.com/maccabi/wellcome/site/index.html

Thank You

May I suggest you to use the Iframe method instead of Script embedded method. Please check the article below on how to get the iframe code:

https://www.jotform.com/help/148-Getting-the-Form-iFrame-Code

Let us know if you have any other question.