Download & upload to /module folder then in Admin CP, to to Modules & enable. Chat will load at right-bottom corner by default when you login. You can only chat if a friend is online. Works on all v4 through v6.
how to install this on jcow 5?
Go to 'Admin CP' > 'Modules', enable it. Then in your web directory, go to 'theme/YOUR_THEME_FOLDER/page.tpl.php'. After '</body>' tag, insert '<?php echo $footer;?>' and you're done. :)
Doesn't work still. Very buggy. Users can't see what people are saying, I get undefined instead of username and all chat content disappears when you refresh the website.
It is overloading processor and mysql, even on dedicated VPS only for Jcow. How can i throtle (slow down) chat update to minimize sql queries per second?