Build a Chat option

[gdebojyoti.mail96]

How can I create a chat system (like those of Facebook and Orkut) for my website? And what are the programming languages that I will need?
I would also love to know about any related open source script.
Any prod in the direction are welcome.

P.S. My site is based on PHP.

[Teensweb]

You'd need atleast php and javascript ( and of course html! ).
For open source scripts see
http://www.ajaxchat.org/ or http://www.fleaim.com/ or http://ajaxim.com/ - I'm not sure if these are allowed on your hosting package....

[cybrax]

Google for X7 Chat

Did have a copy running on the Stoli server here earlier this year, performance was acceptable but degrades as the number of particpents increases. Chat scripts that use a database do tend be server resource hogs and this can sometimes cause them to run foul of automatic suspension. There are some very simple AJAX chat scripts about that work well and consume little resources but they are pretty basic with none of the features associated with larger chat rooms, such as registration/login/block/kick/admin controls etc.

[Sharky]

We have IRC - you can use that.