How to get the scroll bar to the form when window resize??

How to get the scroll bar to the form when window resize?? I want to show scroll bar for only fields not for the buttons.
Please find the below snippet url
http://webix.com/snippet/3be3b476

You can place text fields into the scrollview:

http://webix.com/snippet/e263a77d

Thank you very much for quick response. But I don’t want to show scroll bar initially. How can I achieve this??

If you are using Webix Pro, you can enable custom scrolls. They mimic Touch|MacOs behavior, and are visible only during scrolling.

http://webix.com/snippet/4eaf7b32

Wow…Thank you so much