Contact form plugin for HelloVideo https://codecanyon.net/item/hellovideo-video-cms/11149598

Copy the contact folder to the plugin folder in HelloVideo and create a new menu from your admin page with the url /contact

The plugin uses "noty" for displaying messages. Make sure you already have this setup in your theme or just include jquery.noty.packaged.min.js to your themes footer.

Check noty installation here: http://ned.im/noty/