Drupal 7

Create a new field called “gender”

go to : configuration->Account setting, Managed field

Add new field called “gender” (list text)

and put them values : male female

Install the plugin

you can download it from this link

Go to structures/blocks

and enable Content / create block chat5html

Click configure

Restrict that block to chat page

Congratulations: you just created your html5 chat inside the page