Complete Task - Chat box

FOR HASSNAIN A. Website: [login to view URL] 1. Add ability to [Edit and Delete] on each post inside chat box. 2. Create HTML site preview [as a post] when inserting a website link. [ie: Youtube on Facebook] [See [login to view URL] as attached] Link should also be visible and allow clicking to open a separate window for content. 3. Require Access code to post. Should not be required if token/cookie is on remote computer. Place token/cookie there when authenticated. Create "Access" button which should simply be on the right side of the blue title bar same font and size. This link/button will be used to access to post. New users should not be required to access to simply view content. 4. Prevent chat box from automatically scrolling to the bottom when user is currently navigating the scroll through older posts. It should only scroll to the bottom if something new has been posted. 5. Fix all bugs so it works properly and can display multiple text posts and website link posts of an unlimited number.