hi,

iam trying to build a chat application using php/mysql for my web-site.can anybody knows any tutorials or sites for building a chat application.the application should be like this.when a sales person of my company login to my site then the online service image should be displayed,and when he logout it should disappear.when sales person is online, customers can chat with him by sending instant messages like that...this is my application..if you have any info for doing this application your help will be appreciated.

thanks

mrjameer