Form Display Jerking

When the user select the Renewal Form from my site it was jerking. It is located on the top right hand of my Home Page. Please refer attachment.

I could not find the screenshot attached. The attachments sent through email do not become part of the forum thread.

To attach the image please follow the steps mentioned below :

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Sorry for my mistake. Attached herewith is the screenshot.
I noticed this jerking appears in Chrome and Safari browser but not Firefox.
Regards
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I still don't see the screenshot attached with the post.

However, I still visited http://www.jvm.com.my  and below is the screencast of what I see at my end :

 

 

I could find the jerking effect you mentioned.

Pls click “Renew My Policy” top right hand next to the search icon. From the Renew My Policy page try scroll up.Once you scroll up it jerks.
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Could you please try embedding IFrame code to the page and let us know, if that fixes the issue?

After copying the Iframe code paste it to where? Please be specific.
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Please try embedding the iFrame code into your webpage, where you would like to place your form. The same way you embedded the form to your website, but this time replace that code with the iFrame code. 

Here's a detailed guide:

https://www.jotform.com/help/34-Adding-a-Form-to-a-Web-Page

 

Also, this might be of help for you:

https://www.jotform.com/help/67-Which-Form-Embed-Code-Should-I-Use

 

 

Thank you.