Online consultant to the site with tips?

Question

Gallery

Hello, please tell me a service, it is better to use a free one with which you can connect live chat to a site with tips. Well, that is, you open a chat in the right corner, first there are tips on some questions (which are asked by the administrator), after which if you do not find the answer, you can ask it to the consultant.

Answer 1

you can use a bicycle,
but you can also create it yourself
; you have to do it with position:absolute;
using z-index to switch
and you can't do without JavaScript
when you click z-index changes
PS Maybe it's possible on pure HTML5

Answer 2

LivePerson