Memo Form Modification on Web

I have a requirement to make modifications to Memo form in iNotes template. A button similar to Send button should be added with a tab prefixed to subject and visible to a particular group. I have done this for notes client and added similar button for under web category. But this is not showing up. I have added this to normal Memo form. Is there a different memo form for web?If this has to be visible on web to which should I add the button?Any advice will be appreciated.

Thank you for your time.